./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 355c3bb312bba5e020472786a4caafea50b5bcf8c3a1fa521d24067678409c73 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:27:06,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:27:06,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 02:27:06,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:27:06,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:27:06,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:27:06,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:27:06,295 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:27:06,295 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:27:06,295 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:27:06,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:27:06,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:27:06,297 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:27:06,297 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 02:27:06,297 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 02:27:06,297 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 02:27:06,297 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 02:27:06,298 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 02:27:06,298 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 02:27:06,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:27:06,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 02:27:06,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:27:06,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:27:06,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 02:27:06,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 02:27:06,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 02:27:06,299 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:27:06,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:27:06,300 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 02:27:06,300 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:27:06,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:27:06,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:27:06,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:27:06,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:27:06,300 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 02:27:06,301 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 02:27:06,301 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_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355c3bb312bba5e020472786a4caafea50b5bcf8c3a1fa521d24067678409c73 [2024-11-28 02:27:06,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:27:06,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:27:06,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:27:06,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:27:06,646 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:27:06,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2024-11-28 02:27:09,683 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/data/280820466/f9d1b0a72e0b4df194db9e07142af505/FLAG740695e87 [2024-11-28 02:27:09,944 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:27:09,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2024-11-28 02:27:09,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/data/280820466/f9d1b0a72e0b4df194db9e07142af505/FLAG740695e87 [2024-11-28 02:27:09,975 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/data/280820466/f9d1b0a72e0b4df194db9e07142af505 [2024-11-28 02:27:09,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:27:09,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:27:09,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:27:09,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:27:09,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:27:09,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:27:09" (1/1) ... [2024-11-28 02:27:09,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aaffe81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:09, skipping insertion in model container [2024-11-28 02:27:09,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:27:09" (1/1) ... [2024-11-28 02:27:10,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:27:10,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:27:10,174 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:27:10,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:27:10,204 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:27:10,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10 WrapperNode [2024-11-28 02:27:10,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:27:10,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:27:10,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:27:10,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:27:10,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10" (1/1) ... [2024-11-28 02:27:10,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10" (1/1) ... [2024-11-28 02:27:10,235 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2024-11-28 02:27:10,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:27:10,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:27:10,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:27:10,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:27:10,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10" (1/1) ... [2024-11-28 02:27:10,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10" (1/1) ... [2024-11-28 02:27:10,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10" (1/1) ... [2024-11-28 02:27:10,252 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 02:27:10,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10" (1/1) ... [2024-11-28 02:27:10,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10" (1/1) ... [2024-11-28 02:27:10,254 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10" (1/1) ... [2024-11-28 02:27:10,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10" (1/1) ... [2024-11-28 02:27:10,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10" (1/1) ... [2024-11-28 02:27:10,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10" (1/1) ... [2024-11-28 02:27:10,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10" (1/1) ... [2024-11-28 02:27:10,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:27:10,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:27:10,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:27:10,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:27:10,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10" (1/1) ... [2024-11-28 02:27:10,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:10,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:10,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:10,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 02:27:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:27:10,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:27:10,392 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:27:10,394 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:27:10,480 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-28 02:27:10,480 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:27:10,492 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:27:10,493 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:27:10,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:27:10 BoogieIcfgContainer [2024-11-28 02:27:10,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:27:10,494 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 02:27:10,495 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 02:27:10,501 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 02:27:10,502 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:27:10,502 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:27:09" (1/3) ... [2024-11-28 02:27:10,503 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ce0a8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:27:10, skipping insertion in model container [2024-11-28 02:27:10,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:27:10,503 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:10" (2/3) ... [2024-11-28 02:27:10,503 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ce0a8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:27:10, skipping insertion in model container [2024-11-28 02:27:10,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:27:10,504 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:27:10" (3/3) ... [2024-11-28 02:27:10,505 INFO L363 chiAutomizerObserver]: Analyzing ICFG Pure3Phase-1.c [2024-11-28 02:27:10,577 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 02:27:10,577 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 02:27:10,577 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 02:27:10,577 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 02:27:10,577 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 02:27:10,577 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 02:27:10,578 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 02:27:10,578 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 02:27:10,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:10,599 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:27:10,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:27:10,600 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:27:10,604 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 02:27:10,605 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:27:10,606 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 02:27:10,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:10,608 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:27:10,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:27:10,608 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:27:10,609 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 02:27:10,610 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:27:10,618 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !!(main_~x~0#1 <= 65535);" "assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535);" "assume !!(-65535 <= main_~z~0#1 && main_~z~0#1 <= 65535);" [2024-11-28 02:27:10,619 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" [2024-11-28 02:27:10,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:10,625 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2024-11-28 02:27:10,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:10,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451768575] [2024-11-28 02:27:10,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:10,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:10,721 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:10,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:10,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:10,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1635687, now seen corresponding path program 1 times [2024-11-28 02:27:10,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:10,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677435890] [2024-11-28 02:27:10,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:10,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:10,770 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:10,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:10,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:10,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1271660175, now seen corresponding path program 1 times [2024-11-28 02:27:10,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:10,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547446071] [2024-11-28 02:27:10,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:10,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:10,791 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:10,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:10,900 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:10,901 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:10,901 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:10,902 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:10,902 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:27:10,902 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:10,902 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:10,902 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:10,903 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2024-11-28 02:27:10,903 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:10,903 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:10,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:10,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:10,934 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:10,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:11,062 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:11,062 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:27:11,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:11,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:11,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:11,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 02:27:11,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:11,071 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:11,097 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:11,098 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:11,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 02:27:11,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:11,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:11,105 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:11,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 02:27:11,108 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:11,108 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:11,128 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:11,128 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:11,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 02:27:11,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:11,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:11,140 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:11,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 02:27:11,144 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:11,144 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:11,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-28 02:27:11,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:11,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:11,177 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:11,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 02:27:11,181 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:27:11,181 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:11,328 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:27:11,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:11,334 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:11,334 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:11,334 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:11,334 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:11,334 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:27:11,334 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:11,334 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:11,334 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:11,334 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2024-11-28 02:27:11,334 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:11,334 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:11,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:11,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:11,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:11,369 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:11,446 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:11,450 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:27:11,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:11,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:11,454 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:11,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:11,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 02:27:11,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:11,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:11,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:11,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:11,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:11,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:11,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:11,486 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:11,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 02:27:11,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:11,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:11,497 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:11,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 02:27:11,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:11,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:11,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:11,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:11,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:11,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:11,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:11,525 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:11,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:11,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:11,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:11,538 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:11,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 02:27:11,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:11,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:11,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:11,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:11,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:11,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:11,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:11,566 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:11,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:11,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:11,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:11,580 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:11,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 02:27:11,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:11,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:11,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:11,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:11,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:11,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:11,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:11,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:11,602 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:11,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:11,610 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 02:27:11,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:11,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:11,612 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:11,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 02:27:11,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:11,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:11,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:11,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:11,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:11,642 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:11,645 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:11,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:11,651 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:27:11,656 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 02:27:11,659 INFO L444 ModelExtractionUtils]: 4 out of 9 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 02:27:11,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:11,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:11,666 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:11,674 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:27:11,675 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:27:11,675 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:27:11,676 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0#1 + 1 f1 = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2024-11-28 02:27:11,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 02:27:11,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:11,692 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:27:11,700 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:11,701 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:11,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:11,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:11,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:11,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:27:11,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:12,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:12,131 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:27:12,133 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:12,244 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 38 transitions. Complement of second has 8 states. [2024-11-28 02:27:12,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:12,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:12,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2024-11-28 02:27:12,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-28 02:27:12,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:12,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-28 02:27:12,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:12,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2024-11-28 02:27:12,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:12,266 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2024-11-28 02:27:12,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:27:12,273 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 16 states and 19 transitions. [2024-11-28 02:27:12,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-28 02:27:12,276 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-28 02:27:12,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2024-11-28 02:27:12,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:27:12,277 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-11-28 02:27:12,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2024-11-28 02:27:12,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-28 02:27:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2024-11-28 02:27:12,301 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-11-28 02:27:12,301 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-11-28 02:27:12,301 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 02:27:12,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2024-11-28 02:27:12,302 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:27:12,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:27:12,303 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:27:12,304 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:12,304 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:27:12,304 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !!(main_~x~0#1 <= 65535);" "assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535);" "assume !!(-65535 <= main_~z~0#1 && main_~z~0#1 <= 65535);" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" [2024-11-28 02:27:12,304 INFO L749 eck$LassoCheckResult]: Loop: "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" [2024-11-28 02:27:12,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:12,306 INFO L85 PathProgramCache]: Analyzing trace with hash 179568625, now seen corresponding path program 1 times [2024-11-28 02:27:12,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:12,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550740534] [2024-11-28 02:27:12,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:12,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:12,317 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:12,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:12,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:12,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1959387, now seen corresponding path program 2 times [2024-11-28 02:27:12,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:12,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329828408] [2024-11-28 02:27:12,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:12,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:12,330 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:12,335 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:12,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:12,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1880068661, now seen corresponding path program 1 times [2024-11-28 02:27:12,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:12,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942140189] [2024-11-28 02:27:12,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:12,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:12,343 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:12,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:12,392 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:12,392 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:12,392 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:12,392 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:12,392 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:27:12,392 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:12,392 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:12,392 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:12,392 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2024-11-28 02:27:12,392 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:12,392 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:12,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:12,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:12,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:12,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:12,480 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:12,480 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:27:12,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:12,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:12,482 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:12,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:12,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:12,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 02:27:12,512 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:12,513 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:12,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 02:27:12,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:12,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:12,528 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:12,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 02:27:12,533 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:12,533 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:12,550 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:12,550 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:12,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-28 02:27:12,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:12,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:12,561 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:12,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 02:27:12,566 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:12,566 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:12,591 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:12,591 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:12,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:12,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:12,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:12,603 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:12,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 02:27:12,607 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:12,607 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:12,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 02:27:12,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:12,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:12,639 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:12,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 02:27:12,643 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:27:12,643 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:12,822 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:27:12,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:12,827 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:12,827 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:12,827 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:12,827 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:12,827 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:27:12,827 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:12,827 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:12,827 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:12,827 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2024-11-28 02:27:12,827 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:12,827 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:12,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:12,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:12,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:12,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:12,925 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:12,925 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:27:12,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:12,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:12,928 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:12,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 02:27:12,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:12,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:12,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:12,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:12,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:12,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:12,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:12,955 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:12,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 02:27:12,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:12,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:12,968 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:12,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:12,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 02:27:12,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:12,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:12,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:12,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:12,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:12,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:13,029 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:13,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-28 02:27:13,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:13,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:13,045 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:13,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:13,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 02:27:13,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:13,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:13,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:13,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:13,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:13,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:13,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:13,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:13,080 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:13,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:13,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:13,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:13,094 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:13,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 02:27:13,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:13,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:13,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:13,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:13,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:13,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:13,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:13,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:13,116 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:13,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 02:27:13,127 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 02:27:13,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:13,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:13,129 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:13,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 02:27:13,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:13,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:13,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:13,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:13,148 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:13,151 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:13,151 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:13,158 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:13,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:13,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:13,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:13,170 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:13,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 02:27:13,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:13,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:13,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:13,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:13,189 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:13,192 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:13,192 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:13,198 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:13,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:13,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:13,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:13,209 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:13,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 02:27:13,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:13,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:13,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:13,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:13,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:13,231 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:13,236 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:13,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:13,243 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:27:13,253 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-28 02:27:13,253 INFO L444 ModelExtractionUtils]: 4 out of 9 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:27:13,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:13,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:13,255 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:13,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 02:27:13,260 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:27:13,260 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:27:13,260 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:27:13,260 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0#1 f1 = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2024-11-28 02:27:13,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:13,271 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:27:13,273 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:13,274 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:13,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:13,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:13,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:13,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:27:13,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:13,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:13,510 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:27:13,510 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:13,546 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 29 transitions. Complement of second has 7 states. [2024-11-28 02:27:13,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:13,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:13,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-28 02:27:13,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 4 letters. [2024-11-28 02:27:13,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:13,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-28 02:27:13,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:13,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 8 letters. [2024-11-28 02:27:13,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:13,549 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2024-11-28 02:27:13,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:27:13,550 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 29 transitions. [2024-11-28 02:27:13,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-28 02:27:13,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-28 02:27:13,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 29 transitions. [2024-11-28 02:27:13,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:27:13,550 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 29 transitions. [2024-11-28 02:27:13,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 29 transitions. [2024-11-28 02:27:13,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-28 02:27:13,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:13,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2024-11-28 02:27:13,557 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 29 transitions. [2024-11-28 02:27:13,557 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2024-11-28 02:27:13,557 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 02:27:13,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2024-11-28 02:27:13,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:27:13,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:27:13,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:27:13,560 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:13,560 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:27:13,560 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !!(main_~x~0#1 <= 65535);" "assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535);" "assume !!(-65535 <= main_~z~0#1 && main_~z~0#1 <= 65535);" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" [2024-11-28 02:27:13,561 INFO L749 eck$LassoCheckResult]: Loop: "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" [2024-11-28 02:27:13,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:13,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1880068663, now seen corresponding path program 1 times [2024-11-28 02:27:13,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:13,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328940362] [2024-11-28 02:27:13,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:13,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:13,572 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:13,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:13,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:13,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1959387, now seen corresponding path program 3 times [2024-11-28 02:27:13,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:13,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946956870] [2024-11-28 02:27:13,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:13,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:13,598 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:13,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:13,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:13,610 INFO L85 PathProgramCache]: Analyzing trace with hash 588394403, now seen corresponding path program 2 times [2024-11-28 02:27:13,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:13,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514793474] [2024-11-28 02:27:13,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:13,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:13,619 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:13,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:13,667 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:13,667 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:13,667 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:13,667 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:13,667 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:27:13,667 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:13,667 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:13,668 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:13,668 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration3_Loop [2024-11-28 02:27:13,668 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:13,668 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:13,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:13,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:13,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:13,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:13,745 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:13,745 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:27:13,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:13,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:13,747 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:13,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 02:27:13,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:13,753 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:13,777 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:13,777 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:13,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-28 02:27:13,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:13,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:13,789 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:13,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 02:27:13,793 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:13,793 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:13,812 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:13,812 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:13,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:13,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:13,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:13,823 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:13,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 02:27:13,827 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:13,827 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:13,851 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:13,851 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:13,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-28 02:27:13,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:13,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:13,862 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:13,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 02:27:13,866 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:13,866 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:13,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-28 02:27:13,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:13,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:13,896 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:13,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 02:27:13,898 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:27:13,898 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:14,106 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:27:14,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-28 02:27:14,111 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:14,111 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:14,111 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:14,111 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:14,111 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:27:14,111 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:14,111 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:14,111 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:14,111 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration3_Loop [2024-11-28 02:27:14,111 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:14,111 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:14,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:14,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:14,119 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:14,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:14,187 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:14,187 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:27:14,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:14,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:14,189 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:14,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-28 02:27:14,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:14,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:14,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:14,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:14,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:14,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:14,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:14,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:14,209 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:14,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:14,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:14,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:14,218 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:14,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 02:27:14,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:14,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:14,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:14,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:14,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:14,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:14,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:14,237 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:14,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-28 02:27:14,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:14,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:14,248 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:14,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-28 02:27:14,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:14,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:14,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:14,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:14,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:14,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:14,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:14,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:14,267 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:14,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:14,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:14,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:14,274 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:14,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-28 02:27:14,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:14,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:14,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:14,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:14,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:14,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:14,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:14,296 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:14,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-28 02:27:14,305 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 02:27:14,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:14,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:14,309 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:14,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-28 02:27:14,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:14,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:14,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:14,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:14,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:14,326 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:14,327 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:14,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:14,331 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:14,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-28 02:27:14,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:14,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:14,342 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:14,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:14,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-28 02:27:14,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:14,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:14,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:14,361 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:14,364 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:14,364 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:14,370 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:14,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:14,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:14,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:14,382 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:14,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:14,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-28 02:27:14,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:14,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:14,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:14,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:14,402 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:14,404 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:14,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:14,410 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:27:14,416 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-28 02:27:14,416 INFO L444 ModelExtractionUtils]: 4 out of 9 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:27:14,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:14,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:14,418 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:14,422 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:27:14,422 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:27:14,422 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:27:14,423 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0#1 f1 = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2024-11-28 02:27:14,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-28 02:27:14,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:14,437 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:27:14,439 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:14,439 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:14,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:14,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:14,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:14,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 02:27:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:14,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:27:14,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:14,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:14,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:14,673 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:27:14,673 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:14,701 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 37 transitions. Complement of second has 7 states. [2024-11-28 02:27:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:14,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-28 02:27:14,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-28 02:27:14,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:14,703 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:27:14,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:14,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:14,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:14,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:27:14,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:14,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:14,895 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:27:14,895 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:14,918 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 37 transitions. Complement of second has 7 states. [2024-11-28 02:27:14,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:14,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:14,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-28 02:27:14,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-28 02:27:14,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:14,920 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:27:14,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:14,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:14,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:14,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:27:14,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:15,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:15,120 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:27:15,120 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:15,146 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 42 transitions. Complement of second has 6 states. [2024-11-28 02:27:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:15,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-11-28 02:27:15,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-28 02:27:15,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:15,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-28 02:27:15,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:15,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 12 letters. Loop has 8 letters. [2024-11-28 02:27:15,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:15,149 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2024-11-28 02:27:15,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-28 02:27:15,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 28 states and 34 transitions. [2024-11-28 02:27:15,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-28 02:27:15,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-28 02:27:15,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 34 transitions. [2024-11-28 02:27:15,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:27:15,152 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 34 transitions. [2024-11-28 02:27:15,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 34 transitions. [2024-11-28 02:27:15,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 18. [2024-11-28 02:27:15,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2024-11-28 02:27:15,154 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-11-28 02:27:15,154 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-11-28 02:27:15,154 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 02:27:15,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 22 transitions. [2024-11-28 02:27:15,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-28 02:27:15,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:27:15,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:27:15,155 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:27:15,155 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:27:15,156 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !!(main_~x~0#1 <= 65535);" "assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535);" "assume !!(-65535 <= main_~z~0#1 && main_~z~0#1 <= 65535);" "assume main_~x~0#1 >= 0;" [2024-11-28 02:27:15,156 INFO L749 eck$LassoCheckResult]: Loop: "havoc main_#t~nondet3#1;" "assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" [2024-11-28 02:27:15,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:15,156 INFO L85 PathProgramCache]: Analyzing trace with hash 889571342, now seen corresponding path program 1 times [2024-11-28 02:27:15,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:15,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259822402] [2024-11-28 02:27:15,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:15,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:15,161 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:15,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:15,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:15,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1757785, now seen corresponding path program 1 times [2024-11-28 02:27:15,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:15,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576950934] [2024-11-28 02:27:15,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:15,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:15,169 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:15,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:15,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:15,173 INFO L85 PathProgramCache]: Analyzing trace with hash 766757862, now seen corresponding path program 2 times [2024-11-28 02:27:15,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:15,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350262443] [2024-11-28 02:27:15,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:15,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:15,179 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:15,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:15,216 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:15,216 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:15,216 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:15,216 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:15,216 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:27:15,216 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:15,216 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:15,216 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:15,216 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration4_Loop [2024-11-28 02:27:15,216 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:15,217 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:15,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:15,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:15,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:15,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:15,289 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:15,289 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:27:15,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:15,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:15,291 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:15,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-28 02:27:15,298 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:15,298 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:15,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:15,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:15,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:15,330 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:15,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-28 02:27:15,338 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:27:15,338 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:15,522 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:27:15,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:15,527 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:15,527 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:15,527 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:15,527 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:15,527 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:27:15,527 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:15,527 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:15,527 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:15,527 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration4_Loop [2024-11-28 02:27:15,527 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:15,527 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:15,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:15,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:15,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:15,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:15,610 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:15,610 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:27:15,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:15,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:15,613 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:15,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-28 02:27:15,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:15,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:15,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:15,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:15,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:15,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:15,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:15,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:15,639 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:15,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:15,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:15,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:15,652 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:15,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-28 02:27:15,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:15,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:15,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:15,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:15,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:15,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:15,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:15,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:15,674 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:15,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-28 02:27:15,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:15,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:15,688 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:15,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:15,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-28 02:27:15,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:15,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:15,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:15,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:15,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:15,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:15,717 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:15,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-28 02:27:15,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:15,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:15,726 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:15,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-28 02:27:15,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:15,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:15,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:15,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:15,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:15,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:15,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:15,744 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:15,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:15,752 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 02:27:15,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:15,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:15,757 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:15,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:15,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-28 02:27:15,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:15,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:15,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:15,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:15,774 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:15,776 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:15,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:15,780 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:15,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-28 02:27:15,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:15,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:15,791 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:15,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-28 02:27:15,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:15,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:15,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:15,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:15,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:15,810 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:15,810 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:15,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:15,815 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:15,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-28 02:27:15,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:15,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:15,826 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:15,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-28 02:27:15,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:15,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:15,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:15,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:15,845 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:15,847 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:15,847 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:15,852 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:15,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:15,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:15,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:15,865 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:15,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-28 02:27:15,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:15,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:15,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:15,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:15,882 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:15,884 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:15,884 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:15,891 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:15,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:15,900 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-28 02:27:15,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:15,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:15,902 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:15,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-28 02:27:15,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:15,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:15,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:15,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:15,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:15,922 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:15,924 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 02:27:15,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:15,930 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:27:15,941 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-28 02:27:15,941 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:27:15,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:15,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:15,943 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:15,948 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:27:15,949 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:27:15,949 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:27:15,949 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0#1 f1 = 2*ULTIMATE.start_main_~y~0#1 + 2*ULTIMATE.start_main_~z~0#1 + 1 f2 = 2*ULTIMATE.start_main_~y~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2024-11-28 02:27:15,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-28 02:27:15,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:15,961 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:27:15,963 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:15,964 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:15,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:15,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:15,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:16,010 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:27:16,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:16,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-28 02:27:16,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:16,535 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:27:16,536 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 22 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:16,577 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 22 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 45 transitions. Complement of second has 9 states. [2024-11-28 02:27:16,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:16,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:16,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2024-11-28 02:27:16,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-28 02:27:16,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:16,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-28 02:27:16,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:16,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-28 02:27:16,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:16,580 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 45 transitions. [2024-11-28 02:27:16,580 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-28 02:27:16,581 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 30 states and 36 transitions. [2024-11-28 02:27:16,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-28 02:27:16,581 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-28 02:27:16,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 36 transitions. [2024-11-28 02:27:16,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:27:16,581 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 36 transitions. [2024-11-28 02:27:16,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 36 transitions. [2024-11-28 02:27:16,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 23. [2024-11-28 02:27:16,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2024-11-28 02:27:16,587 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2024-11-28 02:27:16,587 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2024-11-28 02:27:16,587 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 02:27:16,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2024-11-28 02:27:16,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-28 02:27:16,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:27:16,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:27:16,588 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:16,588 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:27:16,589 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !!(main_~x~0#1 <= 65535);" "assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535);" "assume !!(-65535 <= main_~z~0#1 && main_~z~0#1 <= 65535);" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" [2024-11-28 02:27:16,589 INFO L749 eck$LassoCheckResult]: Loop: "havoc main_#t~nondet3#1;" "assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" [2024-11-28 02:27:16,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:16,590 INFO L85 PathProgramCache]: Analyzing trace with hash 766759784, now seen corresponding path program 2 times [2024-11-28 02:27:16,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:16,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054721504] [2024-11-28 02:27:16,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:16,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:16,603 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:16,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:16,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:16,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1757785, now seen corresponding path program 2 times [2024-11-28 02:27:16,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:16,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238435910] [2024-11-28 02:27:16,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:16,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:16,623 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:16,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:16,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:16,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1084712384, now seen corresponding path program 3 times [2024-11-28 02:27:16,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:16,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249808222] [2024-11-28 02:27:16,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:16,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:16,647 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:16,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:16,702 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:16,703 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:16,703 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:16,703 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:16,703 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:27:16,703 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:16,703 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:16,703 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:16,703 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration5_Loop [2024-11-28 02:27:16,703 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:16,703 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:16,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:16,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:16,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:16,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:16,789 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:16,789 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:27:16,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:16,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:16,792 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:16,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-28 02:27:16,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:16,797 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:16,826 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:16,826 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_9=1} Honda state: {v_rep~unnamed0~0~true_9=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:16,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-28 02:27:16,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:16,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:16,840 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:16,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-28 02:27:16,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:16,846 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:16,870 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:16,870 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_9=0} Honda state: {v_rep~unnamed0~0~false_9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:16,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-28 02:27:16,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:16,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:16,883 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:16,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:16,888 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:16,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-28 02:27:16,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-11-28 02:27:16,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:16,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:16,914 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:16,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-28 02:27:16,921 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:27:16,921 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:17,108 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:27:17,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-11-28 02:27:17,112 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:17,112 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:17,113 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:17,113 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:17,113 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:27:17,113 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:17,113 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:17,113 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:17,113 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration5_Loop [2024-11-28 02:27:17,113 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:17,113 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:17,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:17,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:17,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:17,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:17,202 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:17,202 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:27:17,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:17,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:17,205 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:17,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-28 02:27:17,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:17,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:17,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:17,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:17,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:17,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:17,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:17,234 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:17,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-11-28 02:27:17,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:17,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:17,247 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:17,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-28 02:27:17,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:17,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:17,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:17,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:17,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:17,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:17,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:17,272 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:17,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:17,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:17,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:17,285 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:17,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-28 02:27:17,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:17,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:17,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:17,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:17,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:17,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:17,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:17,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:17,310 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:17,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:17,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:17,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:17,323 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:17,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:17,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-28 02:27:17,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:17,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:17,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:17,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:17,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:17,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:17,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:17,349 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:17,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:17,359 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 02:27:17,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:17,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:17,362 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:17,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-28 02:27:17,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:17,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:17,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:17,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:17,384 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:17,387 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:17,387 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:17,394 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:17,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:17,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:17,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:17,406 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:17,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-28 02:27:17,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:17,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:17,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:17,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:17,427 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:17,430 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:17,430 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:17,437 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:17,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-11-28 02:27:17,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:17,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:17,448 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:17,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-28 02:27:17,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:17,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:17,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:17,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:17,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:17,467 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:17,469 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:17,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:17,475 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:17,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:17,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:17,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:17,488 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:17,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-28 02:27:17,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:17,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:17,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:17,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:17,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:17,509 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:17,510 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:17,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:17,516 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:17,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:17,529 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-28 02:27:17,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:17,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:17,532 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:17,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-28 02:27:17,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:17,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:17,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:17,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:17,550 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:17,552 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 02:27:17,552 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 02:27:17,560 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:17,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:17,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:17,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:17,568 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:17,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-28 02:27:17,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:17,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:17,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:17,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:17,584 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:17,587 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 02:27:17,587 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 02:27:17,595 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:17,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-11-28 02:27:17,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:17,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:17,604 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:17,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-28 02:27:17,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:17,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:17,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:17,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:17,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:17,619 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:17,622 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 02:27:17,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:17,629 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:27:17,637 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-28 02:27:17,637 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:27:17,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:17,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:17,639 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:17,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-28 02:27:17,642 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:27:17,642 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:27:17,642 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:27:17,642 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0#1 f1 = 2*ULTIMATE.start_main_~z~0#1 + 2*ULTIMATE.start_main_~y~0#1 + 1 f2 = 2*ULTIMATE.start_main_~x~0#1 + 2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2024-11-28 02:27:17,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:17,650 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:27:17,652 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:17,653 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:17,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:17,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:17,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:17,710 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:27:17,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:17,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-11-28 02:27:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:18,185 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:27:18,186 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:18,233 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 45 transitions. Complement of second has 9 states. [2024-11-28 02:27:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:18,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:18,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2024-11-28 02:27:18,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-28 02:27:18,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:18,237 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:27:18,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:18,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:18,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:18,293 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:27:18,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:18,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:18,853 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:27:18,854 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:18,895 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 45 transitions. Complement of second has 9 states. [2024-11-28 02:27:18,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:18,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:18,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2024-11-28 02:27:18,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-28 02:27:18,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:18,898 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:27:18,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:18,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:18,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:18,967 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:27:18,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:19,409 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:27:19,409 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:19,452 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 49 transitions. Complement of second has 8 states. [2024-11-28 02:27:19,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:19,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:19,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2024-11-28 02:27:19,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-28 02:27:19,454 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:19,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 14 letters. Loop has 4 letters. [2024-11-28 02:27:19,454 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:19,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-28 02:27:19,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:19,455 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 49 transitions. [2024-11-28 02:27:19,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-11-28 02:27:19,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 28 states and 33 transitions. [2024-11-28 02:27:19,456 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-28 02:27:19,456 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-28 02:27:19,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2024-11-28 02:27:19,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:27:19,457 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2024-11-28 02:27:19,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2024-11-28 02:27:19,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2024-11-28 02:27:19,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.2) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2024-11-28 02:27:19,459 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2024-11-28 02:27:19,459 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2024-11-28 02:27:19,459 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 02:27:19,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2024-11-28 02:27:19,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-28 02:27:19,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:27:19,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:27:19,460 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:27:19,460 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1] [2024-11-28 02:27:19,460 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !!(main_~x~0#1 <= 65535);" "assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535);" "assume !!(-65535 <= main_~z~0#1 && main_~z~0#1 <= 65535);" "assume main_~x~0#1 >= 0;" [2024-11-28 02:27:19,460 INFO L749 eck$LassoCheckResult]: Loop: "havoc main_#t~nondet3#1;" "assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" [2024-11-28 02:27:19,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:19,461 INFO L85 PathProgramCache]: Analyzing trace with hash 889571342, now seen corresponding path program 2 times [2024-11-28 02:27:19,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:19,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049584088] [2024-11-28 02:27:19,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:19,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:19,465 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:19,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:19,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:19,468 INFO L85 PathProgramCache]: Analyzing trace with hash -145440717, now seen corresponding path program 1 times [2024-11-28 02:27:19,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:19,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896259844] [2024-11-28 02:27:19,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:19,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:19,478 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:19,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:19,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:19,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1435249472, now seen corresponding path program 4 times [2024-11-28 02:27:19,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:19,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91616163] [2024-11-28 02:27:19,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:19,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:19,498 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:19,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:19,557 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:19,557 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:19,557 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:19,557 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:19,557 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:27:19,557 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:19,557 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:19,557 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:19,557 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration6_Loop [2024-11-28 02:27:19,557 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:19,558 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:19,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:19,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:19,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:19,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:19,636 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:19,636 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:27:19,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:19,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:19,638 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:19,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-11-28 02:27:19,642 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:19,642 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:19,655 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:19,655 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:19,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2024-11-28 02:27:19,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:19,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:19,663 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:19,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-11-28 02:27:19,665 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:19,665 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:19,683 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:19,683 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:19,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-11-28 02:27:19,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:19,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:19,692 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:19,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-11-28 02:27:19,694 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:19,694 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:19,712 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:19,712 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:19,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-11-28 02:27:19,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:19,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:19,720 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:19,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-11-28 02:27:19,723 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:19,723 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:19,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-11-28 02:27:19,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:19,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:19,747 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:19,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-11-28 02:27:19,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:27:19,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:19,967 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:27:19,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:19,972 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:19,972 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:19,972 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:19,972 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:19,972 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:27:19,972 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:19,972 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:19,972 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:19,972 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration6_Loop [2024-11-28 02:27:19,972 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:19,972 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:19,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:19,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:19,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:19,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:20,043 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:20,043 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:27:20,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:20,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:20,047 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:20,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-11-28 02:27:20,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:20,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:20,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:20,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:20,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:20,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:20,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:20,065 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:20,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-11-28 02:27:20,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:20,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:20,073 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:20,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-11-28 02:27:20,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:20,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:20,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:20,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:20,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:20,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:20,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:20,092 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:20,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2024-11-28 02:27:20,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:20,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:20,105 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:20,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-11-28 02:27:20,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:20,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:20,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:20,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:20,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:20,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:20,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:20,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:20,132 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:20,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:20,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:20,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:20,140 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:20,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-11-28 02:27:20,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:20,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:20,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:20,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:20,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:20,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:20,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:20,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:20,157 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:20,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:20,165 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 02:27:20,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:20,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:20,167 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:20,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:20,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-11-28 02:27:20,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:20,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:20,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:20,184 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:20,186 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:20,186 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:20,191 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:20,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2024-11-28 02:27:20,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:20,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:20,202 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:20,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-11-28 02:27:20,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:20,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:20,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:20,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:20,221 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:20,223 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:20,223 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:20,227 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:20,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:20,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:20,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:20,234 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:20,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-11-28 02:27:20,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:20,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:20,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:20,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:20,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:20,257 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:20,259 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:20,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:20,262 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:20,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2024-11-28 02:27:20,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:20,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:20,270 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:20,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-11-28 02:27:20,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:20,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:20,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:20,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:20,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:20,283 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:20,283 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:20,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:20,285 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:20,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2024-11-28 02:27:20,292 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-28 02:27:20,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:20,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:20,293 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:20,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-11-28 02:27:20,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:20,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:20,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:20,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:20,307 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:20,309 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 02:27:20,310 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 02:27:20,316 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:20,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-11-28 02:27:20,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:20,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:20,328 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:20,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-11-28 02:27:20,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:20,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:20,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:20,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:20,347 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:20,352 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 02:27:20,352 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 02:27:20,359 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:20,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2024-11-28 02:27:20,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:20,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:20,370 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:20,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-11-28 02:27:20,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:20,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:20,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:20,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:20,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:20,389 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:20,391 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 02:27:20,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:20,397 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:27:20,404 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-28 02:27:20,404 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:27:20,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:20,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:20,406 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:20,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2024-11-28 02:27:20,408 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:27:20,408 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:27:20,408 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:27:20,408 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0#1 f1 = 3*ULTIMATE.start_main_~z~0#1 + 1*ULTIMATE.start_main_~y~0#1 f2 = 1*ULTIMATE.start_main_~x~0#1 + 1*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2024-11-28 02:27:20,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:20,415 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:27:20,417 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:20,417 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:20,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:20,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:20,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:20,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:27:20,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:20,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2024-11-28 02:27:21,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:21,247 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2024-11-28 02:27:21,247 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:21,365 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 6. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 62 transitions. Complement of second has 13 states. [2024-11-28 02:27:21,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:21,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:21,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2024-11-28 02:27:21,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-28 02:27:21,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:21,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 14 letters. Loop has 8 letters. [2024-11-28 02:27:21,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:21,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 6 letters. Loop has 16 letters. [2024-11-28 02:27:21,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:21,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 62 transitions. [2024-11-28 02:27:21,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-28 02:27:21,369 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 41 states and 49 transitions. [2024-11-28 02:27:21,369 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-28 02:27:21,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-28 02:27:21,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 49 transitions. [2024-11-28 02:27:21,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:27:21,370 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-11-28 02:27:21,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 49 transitions. [2024-11-28 02:27:21,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 31. [2024-11-28 02:27:21,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 30 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:21,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2024-11-28 02:27:21,373 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 38 transitions. [2024-11-28 02:27:21,373 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2024-11-28 02:27:21,373 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-28 02:27:21,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2024-11-28 02:27:21,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-28 02:27:21,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:27:21,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:27:21,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:21,374 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1] [2024-11-28 02:27:21,374 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !!(main_~x~0#1 <= 65535);" "assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535);" "assume !!(-65535 <= main_~z~0#1 && main_~z~0#1 <= 65535);" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" [2024-11-28 02:27:21,375 INFO L749 eck$LassoCheckResult]: Loop: "havoc main_#t~nondet3#1;" "assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" [2024-11-28 02:27:21,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:21,375 INFO L85 PathProgramCache]: Analyzing trace with hash 766759784, now seen corresponding path program 3 times [2024-11-28 02:27:21,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:21,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437959295] [2024-11-28 02:27:21,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:21,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:21,380 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:21,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:21,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:21,385 INFO L85 PathProgramCache]: Analyzing trace with hash -145440717, now seen corresponding path program 2 times [2024-11-28 02:27:21,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:21,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659590047] [2024-11-28 02:27:21,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:21,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:21,395 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:21,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:21,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:21,402 INFO L85 PathProgramCache]: Analyzing trace with hash -787596134, now seen corresponding path program 5 times [2024-11-28 02:27:21,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:21,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940987740] [2024-11-28 02:27:21,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:21,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:21,416 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:21,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:21,475 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:21,475 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:21,476 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:21,476 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:21,476 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:27:21,476 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:21,476 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:21,476 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:21,476 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration7_Loop [2024-11-28 02:27:21,476 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:21,476 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:21,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:21,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:21,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:21,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:21,560 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:21,560 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:27:21,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:21,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:21,562 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:21,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2024-11-28 02:27:21,567 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:21,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:21,579 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:21,579 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:21,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2024-11-28 02:27:21,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:21,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:21,588 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:21,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2024-11-28 02:27:21,590 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:21,590 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:21,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2024-11-28 02:27:21,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:21,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:21,619 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:21,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2024-11-28 02:27:21,621 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:27:21,622 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:33,113 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:27:33,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:33,120 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:33,121 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:33,121 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:33,121 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:33,121 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:27:33,121 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:33,121 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:33,121 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:33,121 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration7_Loop [2024-11-28 02:27:33,121 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:33,121 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:33,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:33,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:33,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:33,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:33,187 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:33,188 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:27:33,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:33,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:33,190 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:33,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2024-11-28 02:27:33,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:33,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:33,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:33,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:33,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:33,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:33,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:33,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:33,208 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:33,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:33,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:33,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:33,219 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:33,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:33,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2024-11-28 02:27:33,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:33,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:33,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:33,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:33,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:33,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:33,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:33,245 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:33,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:33,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:33,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:33,257 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:33,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2024-11-28 02:27:33,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:33,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:33,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:33,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:33,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:33,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:33,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:33,276 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:33,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2024-11-28 02:27:33,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:33,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:33,284 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:33,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2024-11-28 02:27:33,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:33,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:33,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:33,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:33,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:33,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:33,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:33,302 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:33,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2024-11-28 02:27:33,311 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 02:27:33,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:33,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:33,312 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:33,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2024-11-28 02:27:33,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:33,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:33,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:33,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:33,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:33,326 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:33,326 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:33,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:33,330 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:33,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:33,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:33,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:33,341 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:33,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2024-11-28 02:27:33,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:33,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:33,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:33,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:33,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:33,355 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:33,357 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:33,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:33,362 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:33,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2024-11-28 02:27:33,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:33,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:33,374 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:33,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2024-11-28 02:27:33,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:33,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:33,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:33,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:33,392 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:33,394 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:33,394 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:33,399 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:33,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:33,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:33,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:33,410 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:33,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2024-11-28 02:27:33,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:33,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:33,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:33,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:33,428 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:33,430 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:33,430 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:33,437 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:33,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:33,446 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-28 02:27:33,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:33,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:33,448 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:33,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2024-11-28 02:27:33,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:33,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:33,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:33,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:33,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:33,466 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:33,467 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 02:27:33,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:33,469 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:33,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:33,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:33,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:33,478 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:33,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2024-11-28 02:27:33,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:33,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:33,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:33,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:33,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:33,492 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:33,495 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 02:27:33,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:33,501 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:27:33,513 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-28 02:27:33,513 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 02:27:33,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:33,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:33,516 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:33,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2024-11-28 02:27:33,520 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:27:33,520 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:27:33,520 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:27:33,521 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0#1 f1 = 1*ULTIMATE.start_main_~y~0#1 + 3*ULTIMATE.start_main_~z~0#1 f2 = 1*ULTIMATE.start_main_~y~0#1 + 1*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2024-11-28 02:27:33,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2024-11-28 02:27:33,532 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:27:33,533 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:33,533 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:33,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:33,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:33,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:33,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:27:33,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:33,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:34,513 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2024-11-28 02:27:34,513 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:34,636 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 58 states and 68 transitions. Complement of second has 13 states. [2024-11-28 02:27:34,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:34,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:34,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2024-11-28 02:27:34,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-28 02:27:34,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:34,640 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:27:34,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:34,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:34,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:34,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:27:34,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:35,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:35,402 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2024-11-28 02:27:35,402 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:35,509 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 58 states and 68 transitions. Complement of second has 13 states. [2024-11-28 02:27:35,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:35,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:35,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2024-11-28 02:27:35,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-28 02:27:35,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:35,511 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:27:35,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:35,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:35,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:35,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:27:35,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:36,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:36,157 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2024-11-28 02:27:36,157 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:36,271 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 82 states and 97 transitions. Complement of second has 18 states. [2024-11-28 02:27:36,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:36,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:36,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 20 transitions. [2024-11-28 02:27:36,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-28 02:27:36,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:36,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 18 letters. Loop has 8 letters. [2024-11-28 02:27:36,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:36,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 10 letters. Loop has 16 letters. [2024-11-28 02:27:36,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:36,273 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 97 transitions. [2024-11-28 02:27:36,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2024-11-28 02:27:36,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 51 states and 62 transitions. [2024-11-28 02:27:36,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-28 02:27:36,276 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-28 02:27:36,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 62 transitions. [2024-11-28 02:27:36,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:27:36,276 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 62 transitions. [2024-11-28 02:27:36,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 62 transitions. [2024-11-28 02:27:36,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 35. [2024-11-28 02:27:36,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 34 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:36,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2024-11-28 02:27:36,279 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 43 transitions. [2024-11-28 02:27:36,279 INFO L425 stractBuchiCegarLoop]: Abstraction has 35 states and 43 transitions. [2024-11-28 02:27:36,279 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-28 02:27:36,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 43 transitions. [2024-11-28 02:27:36,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2024-11-28 02:27:36,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:27:36,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:27:36,280 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:27:36,280 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 1] [2024-11-28 02:27:36,280 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !!(main_~x~0#1 <= 65535);" "assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535);" "assume !!(-65535 <= main_~z~0#1 && main_~z~0#1 <= 65535);" "assume main_~x~0#1 >= 0;" [2024-11-28 02:27:36,280 INFO L749 eck$LassoCheckResult]: Loop: "havoc main_#t~nondet3#1;" "assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" [2024-11-28 02:27:36,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:36,281 INFO L85 PathProgramCache]: Analyzing trace with hash 889571342, now seen corresponding path program 3 times [2024-11-28 02:27:36,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:36,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761921647] [2024-11-28 02:27:36,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:36,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:36,284 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:36,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:36,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:36,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1043320563, now seen corresponding path program 3 times [2024-11-28 02:27:36,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:36,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805957640] [2024-11-28 02:27:36,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:36,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:36,294 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:36,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:36,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:36,299 INFO L85 PathProgramCache]: Analyzing trace with hash 286346650, now seen corresponding path program 6 times [2024-11-28 02:27:36,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:36,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118882062] [2024-11-28 02:27:36,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:36,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:36,306 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:36,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:36,419 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:36,419 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:36,419 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:36,419 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:36,419 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:27:36,419 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:36,419 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:36,420 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:36,420 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration8_Loop [2024-11-28 02:27:36,420 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:36,420 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:36,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:36,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:36,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:36,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:36,504 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:36,504 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:27:36,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:36,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:36,506 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:36,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2024-11-28 02:27:36,510 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:36,511 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:36,535 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:36,535 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_15=1} Honda state: {v_rep~unnamed0~0~true_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:36,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2024-11-28 02:27:36,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:36,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:36,546 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:36,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2024-11-28 02:27:36,550 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:36,551 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:36,570 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:36,570 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:36,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:36,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:36,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:36,582 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:36,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2024-11-28 02:27:36,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:36,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:36,610 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:36,610 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_15=0} Honda state: {v_rep~unnamed0~0~false_15=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:36,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2024-11-28 02:27:36,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:36,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:36,621 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:36,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2024-11-28 02:27:36,625 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:36,625 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:36,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:36,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:36,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:36,662 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:36,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2024-11-28 02:27:36,665 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:27:36,665 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:37,194 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:27:37,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2024-11-28 02:27:37,200 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:37,200 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:37,200 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:37,200 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:37,200 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:27:37,200 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:37,200 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:37,200 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:37,201 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration8_Loop [2024-11-28 02:27:37,201 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:37,201 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:37,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:37,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:37,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:37,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:37,287 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:37,287 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:27:37,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:37,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:37,289 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:37,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2024-11-28 02:27:37,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:37,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:37,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:37,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:37,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:37,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:37,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:37,315 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:37,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:37,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:37,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:37,326 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:37,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2024-11-28 02:27:37,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:37,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:37,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:37,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:37,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:37,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:37,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:37,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:37,347 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:37,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:37,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:37,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:37,358 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:37,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2024-11-28 02:27:37,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:37,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:37,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:37,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:37,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:37,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:37,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:37,376 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:37,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:37,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:37,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:37,383 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:37,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2024-11-28 02:27:37,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:37,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:37,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:37,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:37,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:37,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:37,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:37,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:37,400 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:37,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:37,406 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 02:27:37,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:37,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:37,408 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:37,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2024-11-28 02:27:37,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:37,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:37,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:37,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:37,421 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:37,423 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:37,423 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:37,427 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:37,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2024-11-28 02:27:37,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:37,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:37,434 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:37,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2024-11-28 02:27:37,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:37,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:37,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:37,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:37,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:37,447 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:37,448 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:37,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:37,449 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:37,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2024-11-28 02:27:37,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:37,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:37,456 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:37,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2024-11-28 02:27:37,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:37,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:37,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:37,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:37,469 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:37,470 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:37,470 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:37,475 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:37,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2024-11-28 02:27:37,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:37,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:37,485 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:37,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2024-11-28 02:27:37,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:37,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:37,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:37,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:37,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:37,498 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:37,500 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:37,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:37,504 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:37,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:37,510 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-28 02:27:37,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:37,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:37,511 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:37,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2024-11-28 02:27:37,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:37,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:37,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:37,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:37,525 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:37,527 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 02:27:37,527 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 02:27:37,532 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:37,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:37,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:37,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:37,539 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:37,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2024-11-28 02:27:37,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:37,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:37,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:37,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:37,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:37,553 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:37,553 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 02:27:37,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:37,555 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:37,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:37,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:37,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:37,562 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:37,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2024-11-28 02:27:37,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:37,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:37,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:37,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:37,576 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:37,578 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 02:27:37,578 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 02:27:37,583 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:37,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2024-11-28 02:27:37,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:37,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:37,592 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:37,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2024-11-28 02:27:37,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:37,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:37,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:37,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:37,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:37,606 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:37,608 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 02:27:37,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:37,613 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:27:37,623 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-28 02:27:37,623 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-28 02:27:37,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:37,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:37,625 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:37,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2024-11-28 02:27:37,627 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:27:37,627 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:27:37,627 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:27:37,627 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 3*ULTIMATE.start_main_~z~0#1 f1 = 1*ULTIMATE.start_main_~y~0#1 + 5*ULTIMATE.start_main_~z~0#1 f2 = 1*ULTIMATE.start_main_~y~0#1 + 1*ULTIMATE.start_main_~x~0#1 + 3 Supporting invariants [] [2024-11-28 02:27:37,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:37,634 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:27:37,635 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:37,636 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:37,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:37,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:37,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:37,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:27:37,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:37,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2024-11-28 02:27:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:38,878 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2024-11-28 02:27:38,878 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 43 transitions. cyclomatic complexity: 10 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:39,336 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 43 transitions. cyclomatic complexity: 10. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 91 states and 108 transitions. Complement of second has 17 states. [2024-11-28 02:27:39,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:39,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:39,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 19 transitions. [2024-11-28 02:27:39,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 19 transitions. Stem has 6 letters. Loop has 12 letters. [2024-11-28 02:27:39,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:39,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 19 transitions. Stem has 18 letters. Loop has 12 letters. [2024-11-28 02:27:39,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:39,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 19 transitions. Stem has 6 letters. Loop has 24 letters. [2024-11-28 02:27:39,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:39,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 108 transitions. [2024-11-28 02:27:39,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2024-11-28 02:27:39,341 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 71 states and 87 transitions. [2024-11-28 02:27:39,341 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-28 02:27:39,342 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-28 02:27:39,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 87 transitions. [2024-11-28 02:27:39,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:27:39,342 INFO L218 hiAutomatonCegarLoop]: Abstraction has 71 states and 87 transitions. [2024-11-28 02:27:39,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 87 transitions. [2024-11-28 02:27:39,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 54. [2024-11-28 02:27:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 53 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:39,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2024-11-28 02:27:39,346 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 67 transitions. [2024-11-28 02:27:39,346 INFO L425 stractBuchiCegarLoop]: Abstraction has 54 states and 67 transitions. [2024-11-28 02:27:39,346 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-28 02:27:39,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 67 transitions. [2024-11-28 02:27:39,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2024-11-28 02:27:39,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:27:39,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:27:39,348 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:39,348 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 1] [2024-11-28 02:27:39,348 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !!(main_~x~0#1 <= 65535);" "assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535);" "assume !!(-65535 <= main_~z~0#1 && main_~z~0#1 <= 65535);" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" [2024-11-28 02:27:39,348 INFO L749 eck$LassoCheckResult]: Loop: "havoc main_#t~nondet3#1;" "assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" [2024-11-28 02:27:39,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:39,349 INFO L85 PathProgramCache]: Analyzing trace with hash 766759784, now seen corresponding path program 4 times [2024-11-28 02:27:39,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:39,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973407421] [2024-11-28 02:27:39,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:39,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:39,353 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:39,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:39,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:39,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1043320563, now seen corresponding path program 4 times [2024-11-28 02:27:39,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:39,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668087236] [2024-11-28 02:27:39,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:39,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:39,362 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:39,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:39,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:39,367 INFO L85 PathProgramCache]: Analyzing trace with hash -266919436, now seen corresponding path program 7 times [2024-11-28 02:27:39,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:39,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079052577] [2024-11-28 02:27:39,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:39,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:39,374 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:39,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:39,470 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:39,470 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:39,470 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:39,471 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:39,471 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:27:39,471 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:39,471 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:39,471 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:39,471 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration9_Loop [2024-11-28 02:27:39,471 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:39,471 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:39,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:39,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:39,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:39,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:39,536 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:39,536 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:27:39,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:39,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:39,537 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:39,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2024-11-28 02:27:39,540 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:39,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:39,559 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:39,559 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_17=1} Honda state: {v_rep~unnamed0~0~true_17=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:39,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2024-11-28 02:27:39,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:39,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:39,567 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:39,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2024-11-28 02:27:39,569 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:39,569 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:39,581 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 02:27:39,581 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 02:27:39,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2024-11-28 02:27:39,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:39,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:39,590 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:39,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2024-11-28 02:27:39,592 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:39,592 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:39,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2024-11-28 02:27:39,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:39,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:39,612 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:39,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2024-11-28 02:27:39,614 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:27:39,614 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:39,965 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:27:39,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2024-11-28 02:27:39,972 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:39,972 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:39,972 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:39,972 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:39,972 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:27:39,972 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:39,972 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:39,972 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:39,972 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration9_Loop [2024-11-28 02:27:39,972 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:39,972 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:39,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:39,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:39,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:39,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:40,036 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:40,036 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:27:40,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:40,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:40,038 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:40,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2024-11-28 02:27:40,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:40,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:40,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:40,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:40,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:40,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:40,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:40,056 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:40,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:40,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:40,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:40,067 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:40,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2024-11-28 02:27:40,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:40,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:40,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:40,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:40,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:40,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:40,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:40,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:40,085 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:40,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:40,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:40,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:40,092 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:40,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2024-11-28 02:27:40,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:40,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:40,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:40,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:40,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:40,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:40,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:40,109 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:40,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2024-11-28 02:27:40,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:40,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:40,116 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:40,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2024-11-28 02:27:40,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:40,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:40,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:40,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:40,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:40,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:40,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:40,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:40,131 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:40,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:40,138 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 02:27:40,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:40,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:40,139 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:40,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2024-11-28 02:27:40,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:40,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:40,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:40,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:40,153 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:40,154 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:40,154 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:40,159 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:40,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:40,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:40,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:40,169 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:40,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2024-11-28 02:27:40,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:40,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:40,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:40,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:40,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:40,183 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:40,184 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:40,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:40,189 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:40,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2024-11-28 02:27:40,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:40,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:40,195 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:40,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2024-11-28 02:27:40,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:40,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:40,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:40,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:40,208 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:40,210 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:40,210 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:40,215 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:40,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:40,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:40,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:40,224 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:40,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2024-11-28 02:27:40,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:40,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:40,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:40,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:40,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:40,237 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:40,238 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:40,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:40,239 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:40,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2024-11-28 02:27:40,245 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-28 02:27:40,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:40,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:40,247 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:40,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2024-11-28 02:27:40,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:40,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:40,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:40,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:40,261 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:40,262 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 02:27:40,263 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 02:27:40,267 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:40,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:40,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:40,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:40,275 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:40,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2024-11-28 02:27:40,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:40,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:40,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:40,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:40,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:40,290 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:40,292 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 02:27:40,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:40,297 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:27:40,307 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-28 02:27:40,307 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-11-28 02:27:40,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:40,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:40,309 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:40,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2024-11-28 02:27:40,311 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:27:40,311 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:27:40,311 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:27:40,311 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 6*ULTIMATE.start_main_~z~0#1 f1 = 2*ULTIMATE.start_main_~y~0#1 + 10*ULTIMATE.start_main_~z~0#1 f2 = 2*ULTIMATE.start_main_~x~0#1 + 2*ULTIMATE.start_main_~y~0#1 + 9 Supporting invariants [] [2024-11-28 02:27:40,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2024-11-28 02:27:40,318 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:27:40,326 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:40,326 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:40,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:40,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:40,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:40,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:27:40,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:40,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:41,260 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2024-11-28 02:27:41,260 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 67 transitions. cyclomatic complexity: 16 Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:41,669 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 67 transitions. cyclomatic complexity: 16. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 103 states and 122 transitions. Complement of second has 17 states. [2024-11-28 02:27:41,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:41,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:41,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 19 transitions. [2024-11-28 02:27:41,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 19 transitions. Stem has 10 letters. Loop has 12 letters. [2024-11-28 02:27:41,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:41,670 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:27:41,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:41,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:41,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:41,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:27:41,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:42,745 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:42,745 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 7 loop predicates [2024-11-28 02:27:42,745 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 67 transitions. cyclomatic complexity: 16 Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:43,127 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 67 transitions. cyclomatic complexity: 16. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 103 states and 122 transitions. Complement of second has 17 states. [2024-11-28 02:27:43,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:43,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:43,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 19 transitions. [2024-11-28 02:27:43,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 19 transitions. Stem has 10 letters. Loop has 12 letters. [2024-11-28 02:27:43,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:43,129 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:27:43,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:43,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:43,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:43,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:27:43,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:27:44,259 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2024-11-28 02:27:44,259 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 67 transitions. cyclomatic complexity: 16 Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:44,653 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 67 transitions. cyclomatic complexity: 16. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 153 states and 181 transitions. Complement of second has 28 states. [2024-11-28 02:27:44,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-11-28 02:27:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 24 transitions. [2024-11-28 02:27:44,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 10 letters. Loop has 12 letters. [2024-11-28 02:27:44,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:44,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 22 letters. Loop has 12 letters. [2024-11-28 02:27:44,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:44,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 10 letters. Loop has 24 letters. [2024-11-28 02:27:44,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:27:44,655 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 181 transitions. [2024-11-28 02:27:44,657 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 61 [2024-11-28 02:27:44,658 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 90 states and 108 transitions. [2024-11-28 02:27:44,658 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-28 02:27:44,658 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-28 02:27:44,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 108 transitions. [2024-11-28 02:27:44,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:27:44,658 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 108 transitions. [2024-11-28 02:27:44,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 108 transitions. [2024-11-28 02:27:44,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 58. [2024-11-28 02:27:44,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 57 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:27:44,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 71 transitions. [2024-11-28 02:27:44,666 INFO L240 hiAutomatonCegarLoop]: Abstraction has 58 states and 71 transitions. [2024-11-28 02:27:44,666 INFO L425 stractBuchiCegarLoop]: Abstraction has 58 states and 71 transitions. [2024-11-28 02:27:44,666 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-28 02:27:44,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 71 transitions. [2024-11-28 02:27:44,667 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 48 [2024-11-28 02:27:44,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:27:44,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:27:44,668 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:27:44,668 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 4, 3, 1] [2024-11-28 02:27:44,668 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" "assume !!(main_~x~0#1 <= 65535);" "assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535);" "assume !!(-65535 <= main_~z~0#1 && main_~z~0#1 <= 65535);" "assume main_~x~0#1 >= 0;" [2024-11-28 02:27:44,668 INFO L749 eck$LassoCheckResult]: Loop: "havoc main_#t~nondet3#1;" "assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" "havoc main_#t~nondet3#1;" "assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1;" "main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1;" "assume main_~x~0#1 >= 0;" [2024-11-28 02:27:44,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:44,668 INFO L85 PathProgramCache]: Analyzing trace with hash 889571342, now seen corresponding path program 4 times [2024-11-28 02:27:44,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:44,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686108158] [2024-11-28 02:27:44,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:44,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:44,671 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:44,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:44,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:44,673 INFO L85 PathProgramCache]: Analyzing trace with hash 219391207, now seen corresponding path program 5 times [2024-11-28 02:27:44,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:44,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332296538] [2024-11-28 02:27:44,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:44,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:44,680 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:44,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:44,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:44,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1714008820, now seen corresponding path program 8 times [2024-11-28 02:27:44,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:27:44,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535816081] [2024-11-28 02:27:44,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:44,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:44,701 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:27:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:27:44,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:27:44,820 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:44,820 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:44,820 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:44,820 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:44,820 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:27:44,820 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:44,820 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:44,821 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:44,821 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration10_Loop [2024-11-28 02:27:44,821 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:44,821 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:44,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:44,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:44,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:44,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:44,879 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:44,879 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:27:44,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:44,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:44,881 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:44,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2024-11-28 02:27:44,883 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:27:44,883 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:44,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2024-11-28 02:27:44,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:44,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:44,903 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:44,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2024-11-28 02:27:44,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:27:44,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:27:45,064 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:27:45,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2024-11-28 02:27:45,070 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:27:45,070 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:27:45,070 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:27:45,070 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:27:45,070 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:27:45,070 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:45,070 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:27:45,070 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:27:45,070 INFO L132 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration10_Loop [2024-11-28 02:27:45,070 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:27:45,070 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:27:45,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:45,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:45,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:45,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:27:45,133 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:27:45,133 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:27:45,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:45,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:45,135 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:45,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2024-11-28 02:27:45,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:45,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:45,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:45,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:45,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:45,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:45,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:45,152 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:45,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:45,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:45,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:45,159 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:45,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2024-11-28 02:27:45,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:45,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:45,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:45,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:45,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:45,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:45,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:45,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:45,177 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:45,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:45,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:45,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:45,183 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:45,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2024-11-28 02:27:45,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:45,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:45,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:45,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:45,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:45,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:27:45,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:27:45,201 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:45,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:45,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:45,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:45,209 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:45,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2024-11-28 02:27:45,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:45,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:45,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:45,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:45,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:45,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:27:45,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:27:45,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:45,224 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:45,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2024-11-28 02:27:45,230 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-28 02:27:45,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:45,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:45,231 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:45,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2024-11-28 02:27:45,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:45,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:45,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:45,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:45,245 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:45,246 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:45,246 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:45,250 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:45,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2024-11-28 02:27:45,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:45,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:45,258 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:45,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2024-11-28 02:27:45,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:45,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:45,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:45,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:45,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:45,271 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:45,273 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:45,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:45,277 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:45,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2024-11-28 02:27:45,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:45,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:45,284 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:45,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2024-11-28 02:27:45,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:45,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:45,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:45,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:45,297 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:45,298 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-28 02:27:45,298 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-28 02:27:45,302 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:45,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2024-11-28 02:27:45,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:45,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:45,310 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:45,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2024-11-28 02:27:45,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:45,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:45,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:45,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:45,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:45,323 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-28 02:27:45,323 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-28 02:27:45,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:45,325 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:45,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2024-11-28 02:27:45,330 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-11-28 02:27:45,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:45,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:45,332 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:45,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2024-11-28 02:27:45,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:45,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:45,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:45,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:45,345 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:45,348 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-11-28 02:27:45,348 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 02:27:45,353 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:27:45,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2024-11-28 02:27:45,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:45,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:45,360 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:45,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2024-11-28 02:27:45,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:27:45,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:27:45,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:27:45,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:27:45,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:27:45,373 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-11-28 02:27:45,375 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 02:27:45,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:27:45,381 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:27:45,389 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-11-28 02:27:45,389 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-28 02:27:45,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:27:45,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:45,391 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:45,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2024-11-28 02:27:45,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:27:45,393 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:27:45,393 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:27:45,393 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 4*ULTIMATE.start_main_~z~0#1 f1 = 1*ULTIMATE.start_main_~y~0#1 + 7*ULTIMATE.start_main_~z~0#1 f2 = 1*ULTIMATE.start_main_~y~0#1 + 1*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2024-11-28 02:27:45,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2024-11-28 02:27:45,400 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:27:45,401 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:45,401 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-28 02:27:45,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:45,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:27:45,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:45,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:27:45,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:27:45,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc03222-5f94-4b9b-8a6b-dc3f8a2e8a48/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2024-11-28 02:33:14,170 WARN L286 SmtUtils]: Spent 5.41m on a formula simplification that was a NOOP. DAG size: 278 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:33:14,174 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:33:14,174 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2024-11-28 02:33:14,175 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 58 states and 71 transitions. cyclomatic complexity: 15 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:33:26,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:33:39,339 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 58 states and 71 transitions. cyclomatic complexity: 15. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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 154 states and 180 transitions. Complement of second has 21 states. [2024-11-28 02:33:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 1 stem states 9 non-accepting loop states 1 accepting loop states [2024-11-28 02:33:39,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:33:39,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 25 transitions. [2024-11-28 02:33:39,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 25 transitions. Stem has 6 letters. Loop has 16 letters. [2024-11-28 02:33:39,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:33:39,341 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:33:39,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:33:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:39,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:33:39,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:33:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:33:39,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:33:39,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:39,305 WARN L286 SmtUtils]: Spent 7.71m on a formula simplification that was a NOOP. DAG size: 380 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:41:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:41:39,309 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 9 loop predicates [2024-11-28 02:41:39,309 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 58 states and 71 transitions. cyclomatic complexity: 15 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:41:52,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:42:05,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:42:05,289 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 58 states and 71 transitions. cyclomatic complexity: 15. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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 154 states and 180 transitions. Complement of second has 21 states. [2024-11-28 02:42:05,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 1 stem states 9 non-accepting loop states 1 accepting loop states [2024-11-28 02:42:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 25 transitions. [2024-11-28 02:42:05,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 25 transitions. Stem has 6 letters. Loop has 16 letters. [2024-11-28 02:42:05,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:42:05,290 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:42:05,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:05,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:42:05,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:05,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:42:05,345 INFO L279 TraceCheckSpWp]: Computing forward predicates...