./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 702a5cb4e98140bb9dbcfd0fb89e24e07deb7e8ce40ea61b05e70376d58bbad7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:17:48,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:17:48,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 22:17:48,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:17:48,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:17:48,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:17:48,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:17:48,788 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:17:48,789 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:17:48,791 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:17:48,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:17:48,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:17:48,794 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:17:48,795 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:17:48,795 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:17:48,798 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:17:48,799 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:17:48,799 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:17:48,799 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:17:48,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:17:48,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:17:48,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:17:48,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:17:48,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:17:48,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:17:48,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:17:48,806 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:17:48,807 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:17:48,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:17:48,807 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:17:48,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:17:48,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:17:48,810 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:17:48,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:17:48,811 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:17:48,811 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:17:48,812 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702a5cb4e98140bb9dbcfd0fb89e24e07deb7e8ce40ea61b05e70376d58bbad7 [2024-10-31 22:17:49,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:17:49,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:17:49,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:17:49,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:17:49,274 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:17:49,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c Unable to find full path for "g++" [2024-10-31 22:17:51,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:17:51,967 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:17:51,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c [2024-10-31 22:17:51,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/data/9dec74c01/f46388cab00b490aafbbfede03687b88/FLAGc48bba5a3 [2024-10-31 22:17:52,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/data/9dec74c01/f46388cab00b490aafbbfede03687b88 [2024-10-31 22:17:52,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:17:52,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:17:52,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:52,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:17:52,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:17:52,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:52" (1/1) ... [2024-10-31 22:17:52,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33dfb0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52, skipping insertion in model container [2024-10-31 22:17:52,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:52" (1/1) ... [2024-10-31 22:17:52,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:17:52,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:52,356 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:17:52,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:52,399 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:17:52,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52 WrapperNode [2024-10-31 22:17:52,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:52,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:52,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:17:52,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:17:52,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52" (1/1) ... [2024-10-31 22:17:52,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52" (1/1) ... [2024-10-31 22:17:52,444 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-10-31 22:17:52,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:52,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:17:52,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:17:52,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:17:52,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52" (1/1) ... [2024-10-31 22:17:52,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52" (1/1) ... [2024-10-31 22:17:52,464 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52" (1/1) ... [2024-10-31 22:17:52,473 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:17:52,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52" (1/1) ... [2024-10-31 22:17:52,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52" (1/1) ... [2024-10-31 22:17:52,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52" (1/1) ... [2024-10-31 22:17:52,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52" (1/1) ... [2024-10-31 22:17:52,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52" (1/1) ... [2024-10-31 22:17:52,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52" (1/1) ... [2024-10-31 22:17:52,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:17:52,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:17:52,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:17:52,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:17:52,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52" (1/1) ... [2024-10-31 22:17:52,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:52,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:52,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:52,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:17:52,593 INFO L130 BoogieDeclarations]: Found specification of procedure p [2024-10-31 22:17:52,594 INFO L138 BoogieDeclarations]: Found implementation of procedure p [2024-10-31 22:17:52,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:17:52,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:17:52,678 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:17:52,682 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:17:52,857 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:17:52,858 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:17:52,882 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:17:52,882 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:17:52,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:52 BoogieIcfgContainer [2024-10-31 22:17:52,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:17:52,887 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:17:52,887 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:17:52,893 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:17:52,894 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:17:52,894 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:17:52" (1/3) ... [2024-10-31 22:17:52,896 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fc98fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:17:52, skipping insertion in model container [2024-10-31 22:17:52,897 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:17:52,897 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:52" (2/3) ... [2024-10-31 22:17:52,900 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fc98fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:17:52, skipping insertion in model container [2024-10-31 22:17:52,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:17:52,900 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:52" (3/3) ... [2024-10-31 22:17:52,902 INFO L332 chiAutomizerObserver]: Analyzing ICFG LeeJonesBen-Amram-POPL2001-Ex4.c [2024-10-31 22:17:53,002 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:17:53,003 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:17:53,003 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:17:53,003 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:17:53,003 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:17:53,003 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:17:53,003 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:17:53,004 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:17:53,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 22:17:53,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:17:53,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:17:53,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:17:53,047 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:17:53,047 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:17:53,047 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:17:53,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 22:17:53,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:17:53,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:17:53,050 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:17:53,051 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:17:53,051 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:17:53,061 INFO L745 eck$LassoCheckResult]: Stem: 16#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~ret5#1, main_~m~0#1, main_~n~0#1, main_~r~0#1;havoc main_#t~nondet2#1;main_~m~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~r~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 15#L28true assume (main_~m~0#1 >= 0 && main_~n~0#1 >= 0) && main_~r~0#1 >= 0; 8#L29true call main_#t~ret5#1 := p(main_~m~0#1, main_~n~0#1, main_~r~0#1);< 17#$Ultimate##0true [2024-10-31 22:17:53,062 INFO L747 eck$LassoCheckResult]: Loop: 17#$Ultimate##0true ~m := #in~m;~n := #in~n;~r := #in~r; 2#L13true assume ~r > 0; 18#L14true call #t~ret0 := p(~m, ~r - 1, ~n);< 17#$Ultimate##0true [2024-10-31 22:17:53,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:53,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1356593, now seen corresponding path program 1 times [2024-10-31 22:17:53,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:53,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813421971] [2024-10-31 22:17:53,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:53,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:53,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:53,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:53,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:53,282 INFO L85 PathProgramCache]: Analyzing trace with hash 29913, now seen corresponding path program 1 times [2024-10-31 22:17:53,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:53,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88322942] [2024-10-31 22:17:53,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:53,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:53,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:53,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:53,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:53,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1759556521, now seen corresponding path program 1 times [2024-10-31 22:17:53,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:53,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303615062] [2024-10-31 22:17:53,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:53,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:53,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:53,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:53,615 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:53,616 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:53,616 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:53,616 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:53,616 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:17:53,616 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:53,617 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:53,617 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:53,617 INFO L132 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration1_Loop [2024-10-31 22:17:53,617 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:53,617 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:53,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:53,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:53,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:53,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:53,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:53,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:53,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:53,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:53,816 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:53,817 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:17:53,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:53,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:53,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:53,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:17:53,830 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:53,830 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:53,857 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:53,857 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#res=0} Honda state: {p_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:53,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:17:53,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:53,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:53,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:53,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:17:53,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:53,895 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:53,918 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:53,918 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#t~ret0=0} Honda state: {p_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:53,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:53,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:53,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:53,945 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:53,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:17:53,947 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:53,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:53,966 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:53,966 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_~m=0} Honda state: {p_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:53,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:53,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:53,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:53,989 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:53,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:17:53,994 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:53,994 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:54,011 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:54,011 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_~n=0} Honda state: {p_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:54,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:54,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,030 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:17:54,036 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:54,037 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:54,058 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:54,058 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#t~ret1=0} Honda state: {p_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:54,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:17:54,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,083 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:17:54,085 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:54,086 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:54,101 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:54,101 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#in~m=0} Honda state: {p_#in~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:54,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:54,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,119 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:17:54,122 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:54,123 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:54,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:17:54,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,168 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:17:54,182 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:17:54,182 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:54,281 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:17:54,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:54,286 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:54,287 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:54,287 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:54,287 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:54,287 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:17:54,287 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,287 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:54,287 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:54,288 INFO L132 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration1_Loop [2024-10-31 22:17:54,288 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:54,288 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:54,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:54,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:54,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:54,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:54,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:54,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:54,325 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:54,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:54,420 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:54,426 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:17:54,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,430 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:17:54,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:54,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:54,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:54,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:54,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:54,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:54,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:54,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:54,464 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:54,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 22:17:54,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,489 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:17:54,493 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 [2024-10-31 22:17:54,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:54,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:54,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:54,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:54,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:54,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:54,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:54,515 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:54,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 22:17:54,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,538 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:17:54,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:54,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:54,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:54,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:54,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:54,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:54,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:54,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:54,563 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:54,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:54,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,591 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:17:54,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:54,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:54,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:54,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:54,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:54,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:54,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:54,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:54,615 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:54,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 22:17:54,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,642 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:17:54,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:54,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:54,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:54,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:54,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:54,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:54,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:54,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:54,665 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:54,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 22:17:54,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,692 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:17:54,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:54,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:54,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:54,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:54,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:54,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:54,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:54,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:54,724 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:54,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 22:17:54,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,749 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:17:54,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:54,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:54,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:54,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:54,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:54,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:54,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:54,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:54,779 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:54,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 22:17:54,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,804 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:17:54,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:54,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:54,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:54,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:54,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:54,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:54,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:54,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:54,842 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:54,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-31 22:17:54,866 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-31 22:17:54,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,870 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:17:54,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:54,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:54,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:54,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:54,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:54,892 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:17:54,893 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:17:54,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:54,896 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:54,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:54,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,926 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:17:54,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:54,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:54,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:54,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:54,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:54,951 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:17:54,954 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:17:54,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:54,960 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:54,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:54,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:54,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:54,982 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:54,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:17:54,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:55,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:55,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:55,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:55,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:55,000 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:17:55,002 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:17:55,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:55,005 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:55,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:55,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:55,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:55,033 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:55,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:17:55,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:55,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:55,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:55,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:55,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:55,053 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:17:55,054 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:17:55,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:55,058 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:55,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:55,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:55,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:55,078 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:55,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:17:55,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:55,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:55,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:55,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:55,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:55,093 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:17:55,094 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:17:55,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:55,096 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:55,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:55,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:55,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:55,118 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:55,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:17:55,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:55,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:55,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:55,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:55,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:55,133 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:17:55,134 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:17:55,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:55,137 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:55,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:55,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:55,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:55,160 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:55,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:17:55,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:55,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:55,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:55,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:55,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:55,182 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:17:55,185 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:17:55,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:55,191 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:17:55,212 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-31 22:17:55,212 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-10-31 22:17:55,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:55,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:55,217 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:55,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 22:17:55,220 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:17:55,220 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:17:55,220 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:17:55,221 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 1*p_#in~n + 1*p_#in~r f1 = 1*p_#in~r Supporting invariants [] [2024-10-31 22:17:55,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:55,246 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:17:55,258 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-31 22:17:55,261 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-31 22:17:55,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:55,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:17:55,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:55,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 22:17:55,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:55,839 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:17:55,842 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:56,155 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 60 transitions. Complement of second has 16 states. [2024-10-31 22:17:56,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 22:17:56,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:56,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2024-10-31 22:17:56,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 4 letters. Loop has 3 letters. [2024-10-31 22:17:56,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:56,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-31 22:17:56,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:56,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 4 letters. Loop has 6 letters. [2024-10-31 22:17:56,168 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:56,168 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 60 transitions. [2024-10-31 22:17:56,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:17:56,177 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 21 states and 24 transitions. [2024-10-31 22:17:56,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-31 22:17:56,178 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-10-31 22:17:56,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 24 transitions. [2024-10-31 22:17:56,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:17:56,180 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-10-31 22:17:56,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 24 transitions. [2024-10-31 22:17:56,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 14. [2024-10-31 22:17:56,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:56,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2024-10-31 22:17:56,209 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-10-31 22:17:56,209 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-10-31 22:17:56,210 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:17:56,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2024-10-31 22:17:56,210 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:17:56,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:17:56,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:17:56,211 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:17:56,211 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:17:56,212 INFO L745 eck$LassoCheckResult]: Stem: 140#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 141#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~ret5#1, main_~m~0#1, main_~n~0#1, main_~r~0#1;havoc main_#t~nondet2#1;main_~m~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~r~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 137#L28 assume (main_~m~0#1 >= 0 && main_~n~0#1 >= 0) && main_~r~0#1 >= 0; 132#L29 call main_#t~ret5#1 := p(main_~m~0#1, main_~n~0#1, main_~r~0#1);< 138#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 129#L13 assume !(~r > 0); 131#L16 [2024-10-31 22:17:56,212 INFO L747 eck$LassoCheckResult]: Loop: 131#L16 assume ~n > 0; 134#L17 call #t~ret1 := p(~r, ~n - 1, ~m);< 136#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 142#L13 assume !(~r > 0); 131#L16 [2024-10-31 22:17:56,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:56,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1303685879, now seen corresponding path program 1 times [2024-10-31 22:17:56,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:56,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471695263] [2024-10-31 22:17:56,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:56,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:56,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:56,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:56,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:56,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1221437, now seen corresponding path program 1 times [2024-10-31 22:17:56,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:56,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368175098] [2024-10-31 22:17:56,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:56,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:56,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:56,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:56,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:56,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1125326029, now seen corresponding path program 1 times [2024-10-31 22:17:56,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:56,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268832958] [2024-10-31 22:17:56,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:56,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:56,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:56,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:56,440 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:56,440 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:56,441 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:56,441 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:56,441 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:17:56,441 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:56,441 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:56,441 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:56,441 INFO L132 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration2_Loop [2024-10-31 22:17:56,441 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:56,441 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:56,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:56,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:56,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:56,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:56,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:56,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-31 22:17:56,614 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:56,614 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:17:56,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:56,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:56,620 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:56,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 22:17:56,625 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:56,625 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:56,645 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:56,645 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#res=0} Honda state: {p_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:56,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-10-31 22:17:56,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:56,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:56,665 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:56,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:56,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:56,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 22:17:56,688 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:56,688 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#t~ret0=0} Honda state: {p_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:56,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:56,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:56,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:56,710 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:56,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 22:17:56,713 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:56,714 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:56,735 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:56,735 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#t~ret1=0} Honda state: {p_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:56,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-31 22:17:56,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:56,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:56,756 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:56,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 22:17:56,759 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:56,759 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:56,792 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:17:56,792 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#in~m=0, p_~m=0, p_~r=0, p_#in~r=0} Honda state: {p_#in~m=0, p_~m=0, p_~r=0, p_#in~r=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:17:56,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-31 22:17:56,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:56,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:56,816 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:56,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 22:17:56,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:56,822 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:56,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:56,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:56,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:56,860 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:56,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 22:17:56,862 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:17:56,862 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:57,138 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:17:57,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:57,141 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:57,142 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:57,142 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:57,142 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:57,142 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:17:57,142 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:57,142 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:57,142 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:57,142 INFO L132 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration2_Loop [2024-10-31 22:17:57,142 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:57,142 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:57,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:57,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:57,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:57,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:57,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:57,258 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:57,258 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:17:57,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:57,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:57,261 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:57,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 22:17:57,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:57,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:57,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:57,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:57,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:57,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:57,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:57,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:57,279 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:57,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-31 22:17:57,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:57,299 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:57,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 22:17:57,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:57,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:57,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:57,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:57,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:57,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:57,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:57,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:57,316 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:57,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:57,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:57,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:57,329 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:57,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 22:17:57,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:57,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:57,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:57,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:57,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:57,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:57,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:57,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:57,348 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:57,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:57,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:57,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:57,368 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:57,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 22:17:57,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:17:57,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:57,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:57,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:57,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:57,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:57,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:57,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:57,390 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:17:57,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:57,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:57,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:57,411 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:57,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 22:17:57,414 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 [2024-10-31 22:17:57,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:17:57,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:17:57,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:17:57,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:17:57,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:17:57,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:17:57,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:17:57,436 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:17:57,440 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-31 22:17:57,440 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:17:57,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:57,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:57,443 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:57,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 22:17:57,445 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:17:57,445 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:17:57,445 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:17:57,445 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(p_~n) = 1*p_~n Supporting invariants [] [2024-10-31 22:17:57,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:57,465 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:17:57,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:57,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:17:57,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:57,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:17:57,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:57,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:57,606 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-10-31 22:17:57,606 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:57,632 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 31 transitions. Complement of second has 13 states. [2024-10-31 22:17:57,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 22:17:57,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:57,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2024-10-31 22:17:57,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-31 22:17:57,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:57,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 4 letters. [2024-10-31 22:17:57,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:57,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 6 letters. Loop has 8 letters. [2024-10-31 22:17:57,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:17:57,635 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2024-10-31 22:17:57,636 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:17:57,637 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 25 transitions. [2024-10-31 22:17:57,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-10-31 22:17:57,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-31 22:17:57,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2024-10-31 22:17:57,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:17:57,638 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 25 transitions. [2024-10-31 22:17:57,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2024-10-31 22:17:57,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2024-10-31 22:17:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2024-10-31 22:17:57,640 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-10-31 22:17:57,640 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-10-31 22:17:57,640 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:17:57,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2024-10-31 22:17:57,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:17:57,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:17:57,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:17:57,642 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:57,642 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:17:57,642 INFO L745 eck$LassoCheckResult]: Stem: 245#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 246#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~ret5#1, main_~m~0#1, main_~n~0#1, main_~r~0#1;havoc main_#t~nondet2#1;main_~m~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~r~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 242#L28 assume (main_~m~0#1 >= 0 && main_~n~0#1 >= 0) && main_~r~0#1 >= 0; 233#L29 call main_#t~ret5#1 := p(main_~m~0#1, main_~n~0#1, main_~r~0#1);< 243#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 231#L13 assume !(~r > 0); 234#L16 assume ~n > 0; 239#L17 call #t~ret1 := p(~r, ~n - 1, ~m);< 240#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 244#L13 assume ~r > 0; 237#L14 [2024-10-31 22:17:57,642 INFO L747 eck$LassoCheckResult]: Loop: 237#L14 call #t~ret0 := p(~m, ~r - 1, ~n);< 238#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 249#L13 assume ~r > 0; 237#L14 [2024-10-31 22:17:57,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:57,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1125326032, now seen corresponding path program 1 times [2024-10-31 22:17:57,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:57,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834778058] [2024-10-31 22:17:57,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:57,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:57,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:57,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:57,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:57,661 INFO L85 PathProgramCache]: Analyzing trace with hash 57663, now seen corresponding path program 2 times [2024-10-31 22:17:57,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:57,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617138513] [2024-10-31 22:17:57,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:57,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:57,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:57,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:57,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:57,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1926921136, now seen corresponding path program 1 times [2024-10-31 22:17:57,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:57,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777524722] [2024-10-31 22:17:57,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:57,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:57,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:17:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:17:57,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:17:57,829 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:17:57,829 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:17:57,829 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:17:57,829 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:17:57,829 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:17:57,830 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:57,830 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:17:57,830 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:17:57,830 INFO L132 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration3_Loop [2024-10-31 22:17:57,830 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:17:57,830 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:17:57,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:57,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:57,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:57,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:57,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:17:57,936 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:17:57,936 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:17:57,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:57,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:57,938 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:57,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 22:17:57,942 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:17:57,942 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:17:57,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-31 22:17:57,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:17:57,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:57,991 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:57,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 22:17:57,995 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:17:57,995 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:10,036 INFO L403 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2024-10-31 22:18:10,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:10,042 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:18:10,042 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:18:10,042 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:18:10,042 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:18:10,042 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:18:10,042 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:10,042 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:18:10,043 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:18:10,043 INFO L132 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration3_Loop [2024-10-31 22:18:10,043 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:18:10,043 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:18:10,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:10,049 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:10,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:10,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:10,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:10,141 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:18:10,141 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:18:10,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:10,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:10,144 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:10,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 22:18:10,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:18:10,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:10,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:10,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:10,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:10,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:10,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:10,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:10,165 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:10,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:10,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:10,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:10,186 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:10,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 22:18:10,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:18:10,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:10,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:10,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:10,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:10,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:10,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:10,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:10,214 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:10,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:10,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:10,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:10,235 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:10,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 22:18:10,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:18:10,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:10,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:10,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:10,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:10,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:10,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:10,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:10,256 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:10,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:10,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:10,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:10,276 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:10,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-31 22:18:10,277 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 [2024-10-31 22:18:10,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:10,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:10,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:10,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:10,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:10,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:10,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:10,290 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:10,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-10-31 22:18:10,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:10,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:10,303 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:10,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 22:18:10,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:18:10,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:10,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:10,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:10,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:10,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:10,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:10,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:10,320 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:10,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-10-31 22:18:10,339 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-31 22:18:10,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:10,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:10,344 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:10,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-31 22:18:10,346 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 [2024-10-31 22:18:10,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:10,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:10,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:10,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:10,364 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:18:10,365 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:18:10,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:10,371 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:10,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:10,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:10,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:10,392 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:10,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-31 22:18:10,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:18:10,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:10,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:10,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:10,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:10,413 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:18:10,416 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:18:10,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:10,422 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:18:10,435 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-31 22:18:10,435 INFO L444 ModelExtractionUtils]: 5 out of 11 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-10-31 22:18:10,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:10,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:10,438 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:10,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-31 22:18:10,442 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:18:10,442 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:18:10,442 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:18:10,442 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 1*p_~n + 1*p_~r f1 = 1*p_~n Supporting invariants [] [2024-10-31 22:18:10,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-10-31 22:18:10,462 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:18:10,469 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-31 22:18:10,469 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-31 22:18:10,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:10,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:18:10,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:10,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 22:18:10,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:10,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:10,865 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:18:10,866 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:10,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:10,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:11,024 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 51 transitions. Complement of second has 9 states. [2024-10-31 22:18:11,025 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 [2024-10-31 22:18:11,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-10-31 22:18:11,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 10 letters. Loop has 3 letters. [2024-10-31 22:18:11,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:11,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 13 letters. Loop has 3 letters. [2024-10-31 22:18:11,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:11,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 10 letters. Loop has 6 letters. [2024-10-31 22:18:11,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:11,027 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 51 transitions. [2024-10-31 22:18:11,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:18:11,031 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 37 states and 45 transitions. [2024-10-31 22:18:11,031 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-10-31 22:18:11,032 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-31 22:18:11,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 45 transitions. [2024-10-31 22:18:11,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:18:11,032 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 45 transitions. [2024-10-31 22:18:11,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 45 transitions. [2024-10-31 22:18:11,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2024-10-31 22:18:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 23 states have internal predecessors, (28), 8 states have call successors, (11), 8 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2024-10-31 22:18:11,036 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 39 transitions. [2024-10-31 22:18:11,036 INFO L425 stractBuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2024-10-31 22:18:11,036 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:18:11,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 39 transitions. [2024-10-31 22:18:11,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:18:11,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:18:11,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:18:11,038 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:11,038 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:18:11,038 INFO L745 eck$LassoCheckResult]: Stem: 378#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 379#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~ret5#1, main_~m~0#1, main_~n~0#1, main_~r~0#1;havoc main_#t~nondet2#1;main_~m~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~r~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 375#L28 assume (main_~m~0#1 >= 0 && main_~n~0#1 >= 0) && main_~r~0#1 >= 0; 366#L29 call main_#t~ret5#1 := p(main_~m~0#1, main_~n~0#1, main_~r~0#1);< 380#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 392#L13 assume !(~r > 0); 391#L16 assume ~n > 0; 381#L17 call #t~ret1 := p(~r, ~n - 1, ~m);< 389#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 387#L13 assume ~r > 0; 371#L14 call #t~ret0 := p(~m, ~r - 1, ~n);< 383#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 390#L13 assume !(~r > 0); 384#L16 [2024-10-31 22:18:11,038 INFO L747 eck$LassoCheckResult]: Loop: 384#L16 assume ~n > 0; 369#L17 call #t~ret1 := p(~r, ~n - 1, ~m);< 372#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 385#L13 assume !(~r > 0); 384#L16 [2024-10-31 22:18:11,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:11,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1926921139, now seen corresponding path program 2 times [2024-10-31 22:18:11,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:11,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337098550] [2024-10-31 22:18:11,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:11,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:11,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:11,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:11,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:11,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1221437, now seen corresponding path program 2 times [2024-10-31 22:18:11,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:11,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404531173] [2024-10-31 22:18:11,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:11,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:11,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:11,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:11,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:11,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1157887471, now seen corresponding path program 3 times [2024-10-31 22:18:11,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:11,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977142114] [2024-10-31 22:18:11,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:11,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:11,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:11,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:11,224 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:18:11,224 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:18:11,224 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:18:11,224 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:18:11,225 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:18:11,225 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:11,225 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:18:11,225 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:18:11,225 INFO L132 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration4_Loop [2024-10-31 22:18:11,225 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:18:11,225 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:18:11,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:11,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:11,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:11,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:11,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:11,323 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:18:11,324 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:18:11,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:11,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:11,326 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:11,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-31 22:18:11,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:18:11,329 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:11,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:11,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:11,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:11,376 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:11,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-31 22:18:11,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:18:11,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:11,627 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:18:11,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:11,631 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:18:11,631 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:18:11,631 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:18:11,631 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:18:11,631 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:18:11,631 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:11,631 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:18:11,631 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:18:11,631 INFO L132 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration4_Loop [2024-10-31 22:18:11,631 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:18:11,632 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:18:11,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:11,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:11,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:11,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:11,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:11,725 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:18:11,725 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:18:11,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:11,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:11,728 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:11,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-31 22:18:11,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:18:11,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:11,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:11,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:11,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:11,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:11,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:11,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:11,746 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:18:11,750 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:18:11,750 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 22:18:11,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:11,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:11,751 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:11,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-31 22:18:11,752 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:18:11,752 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:18:11,753 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:18:11,753 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(p_~n) = 1*p_~n Supporting invariants [] [2024-10-31 22:18:11,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-10-31 22:18:11,766 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:18:11,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:11,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:18:11,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:11,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:18:11,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:11,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:11,902 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-10-31 22:18:11,903 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 39 transitions. cyclomatic complexity: 12 Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:11,932 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 39 transitions. cyclomatic complexity: 12. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 54 transitions. Complement of second has 13 states. [2024-10-31 22:18:11,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 22:18:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:11,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2024-10-31 22:18:11,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 13 letters. Loop has 4 letters. [2024-10-31 22:18:11,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:11,934 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:18:11,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:11,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:18:11,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:12,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:18:12,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:12,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:12,079 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2024-10-31 22:18:12,080 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 39 transitions. cyclomatic complexity: 12 Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:12,138 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 39 transitions. cyclomatic complexity: 12. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 54 transitions. Complement of second has 13 states. [2024-10-31 22:18:12,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 22:18:12,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:12,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2024-10-31 22:18:12,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 13 letters. Loop has 4 letters. [2024-10-31 22:18:12,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:12,146 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:18:12,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:12,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:18:12,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:12,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:18:12,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:12,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:12,321 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 4 loop predicates [2024-10-31 22:18:12,322 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 39 transitions. cyclomatic complexity: 12 Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:12,356 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 39 transitions. cyclomatic complexity: 12. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 68 transitions. Complement of second has 15 states. [2024-10-31 22:18:12,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 22:18:12,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2024-10-31 22:18:12,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 13 letters. Loop has 4 letters. [2024-10-31 22:18:12,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:12,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 17 letters. Loop has 4 letters. [2024-10-31 22:18:12,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:12,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2024-10-31 22:18:12,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:12,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 68 transitions. [2024-10-31 22:18:12,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-10-31 22:18:12,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 39 states and 47 transitions. [2024-10-31 22:18:12,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-10-31 22:18:12,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-31 22:18:12,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 47 transitions. [2024-10-31 22:18:12,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:18:12,364 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 47 transitions. [2024-10-31 22:18:12,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 47 transitions. [2024-10-31 22:18:12,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 24. [2024-10-31 22:18:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 17 states have internal predecessors, (23), 5 states have call successors, (6), 6 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:12,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2024-10-31 22:18:12,367 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 29 transitions. [2024-10-31 22:18:12,368 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2024-10-31 22:18:12,368 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:18:12,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2024-10-31 22:18:12,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:18:12,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:18:12,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:18:12,369 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:12,369 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2024-10-31 22:18:12,370 INFO L745 eck$LassoCheckResult]: Stem: 775#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 776#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~ret5#1, main_~m~0#1, main_~n~0#1, main_~r~0#1;havoc main_#t~nondet2#1;main_~m~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~r~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 772#L28 assume (main_~m~0#1 >= 0 && main_~n~0#1 >= 0) && main_~r~0#1 >= 0; 766#L29 call main_#t~ret5#1 := p(main_~m~0#1, main_~n~0#1, main_~r~0#1);< 777#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 765#L13 assume ~r > 0; 763#L14 call #t~ret0 := p(~m, ~r - 1, ~n);< 773#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 762#L13 assume !(~r > 0); 764#L16 [2024-10-31 22:18:12,370 INFO L747 eck$LassoCheckResult]: Loop: 764#L16 assume ~n > 0; 768#L17 call #t~ret1 := p(~r, ~n - 1, ~m);< 781#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 780#L13 assume ~r > 0; 767#L14 call #t~ret0 := p(~m, ~r - 1, ~n);< 778#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 779#L13 assume !(~r > 0); 764#L16 [2024-10-31 22:18:12,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:12,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1283297937, now seen corresponding path program 1 times [2024-10-31 22:18:12,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:12,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352439359] [2024-10-31 22:18:12,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:12,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:12,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:12,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:12,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:12,387 INFO L85 PathProgramCache]: Analyzing trace with hash 2028029801, now seen corresponding path program 1 times [2024-10-31 22:18:12,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:12,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357171035] [2024-10-31 22:18:12,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:12,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:12,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:12,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:12,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:12,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1308917189, now seen corresponding path program 4 times [2024-10-31 22:18:12,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:12,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171836473] [2024-10-31 22:18:12,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:12,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:12,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:12,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:12,733 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:18:12,733 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:18:12,734 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:18:12,734 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:18:12,734 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:18:12,734 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:12,734 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:18:12,734 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:18:12,734 INFO L132 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration5_Loop [2024-10-31 22:18:12,734 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:18:12,734 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:18:12,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:12,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:12,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:12,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:12,845 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:18:12,845 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:18:12,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:12,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:12,847 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:12,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-31 22:18:12,852 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:18:12,852 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:12,865 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:18:12,865 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#res=0} Honda state: {p_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:18:12,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-10-31 22:18:12,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:12,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:12,879 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:12,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-31 22:18:12,884 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:18:12,884 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:12,896 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:18:12,897 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#t~ret1=0} Honda state: {p_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:18:12,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-10-31 22:18:12,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:12,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:12,915 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:12,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-31 22:18:12,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:18:12,916 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:12,928 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:18:12,928 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#t~ret0=0} Honda state: {p_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:18:12,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-10-31 22:18:12,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:12,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:12,941 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:12,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-31 22:18:12,943 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:18:12,943 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:12,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-10-31 22:18:12,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:12,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:12,992 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:12,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-31 22:18:12,995 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:18:12,995 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:16,208 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:18:16,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:16,214 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:18:16,214 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:18:16,214 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:18:16,214 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:18:16,214 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:18:16,214 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:16,214 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:18:16,214 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:18:16,214 INFO L132 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration5_Loop [2024-10-31 22:18:16,214 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:18:16,214 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:18:16,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:16,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:16,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:16,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:16,385 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:18:16,385 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:18:16,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:16,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:16,387 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:16,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-31 22:18:16,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:18:16,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:16,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:16,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:16,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:16,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:16,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:16,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:16,409 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:16,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:16,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:16,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:16,431 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:16,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-31 22:18:16,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:18:16,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:16,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:16,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:16,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:16,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:16,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:16,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:16,455 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:16,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:16,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:16,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:16,505 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:16,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-31 22:18:16,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:18:16,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:16,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:16,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:16,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:16,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:16,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:16,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:16,538 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:16,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-10-31 22:18:16,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:16,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:16,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:16,556 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:16,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-31 22:18:16,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:18:16,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:16,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:16,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:16,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:16,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:16,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:16,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:16,582 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:16,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:16,605 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-31 22:18:16,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:16,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:16,608 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:16,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:18:16,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-31 22:18:16,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:16,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:16,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:16,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:16,629 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:18:16,629 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:18:16,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:16,634 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:16,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:16,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:16,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:16,658 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:16,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-31 22:18:16,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:18:16,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:16,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:16,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:16,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:16,679 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:18:16,680 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:18:16,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:16,682 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:16,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-10-31 22:18:16,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:16,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:16,706 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:16,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-10-31 22:18:16,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:18:16,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:16,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:16,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:16,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:16,726 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:18:16,727 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:18:16,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:16,729 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:16,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:16,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:16,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:16,752 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:16,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-10-31 22:18:16,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:18:16,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:16,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:16,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:16,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:16,773 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:18:16,779 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:18:16,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:16,788 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:18:16,799 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-31 22:18:16,799 INFO L444 ModelExtractionUtils]: 10 out of 15 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 22:18:16,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:16,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:16,802 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:16,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-10-31 22:18:16,804 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:18:16,804 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:18:16,804 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:18:16,805 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 1*p_~m + 1*p_~r f1 = 1*p_~m Supporting invariants [] [2024-10-31 22:18:16,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:16,829 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:18:16,831 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-31 22:18:16,831 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-10-31 22:18:16,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:16,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:18:16,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:16,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-31 22:18:16,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:17,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:17,433 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 [2024-10-31 22:18:17,433 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:17,848 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 29 transitions. cyclomatic complexity: 8. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 92 states and 110 transitions. Complement of second has 26 states. [2024-10-31 22:18:17,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2024-10-31 22:18:17,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:17,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 19 transitions. [2024-10-31 22:18:17,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 19 transitions. Stem has 9 letters. Loop has 7 letters. [2024-10-31 22:18:17,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:17,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 19 transitions. Stem has 16 letters. Loop has 7 letters. [2024-10-31 22:18:17,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:17,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 19 transitions. Stem has 9 letters. Loop has 14 letters. [2024-10-31 22:18:17,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:17,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 110 transitions. [2024-10-31 22:18:17,859 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2024-10-31 22:18:17,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 77 states and 93 transitions. [2024-10-31 22:18:17,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2024-10-31 22:18:17,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-10-31 22:18:17,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 93 transitions. [2024-10-31 22:18:17,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:18:17,864 INFO L218 hiAutomatonCegarLoop]: Abstraction has 77 states and 93 transitions. [2024-10-31 22:18:17,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 93 transitions. [2024-10-31 22:18:17,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 52. [2024-10-31 22:18:17,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 36 states have internal predecessors, (48), 13 states have call successors, (16), 15 states have call predecessors, (16), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:17,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2024-10-31 22:18:17,871 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 64 transitions. [2024-10-31 22:18:17,871 INFO L425 stractBuchiCegarLoop]: Abstraction has 52 states and 64 transitions. [2024-10-31 22:18:17,872 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 22:18:17,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 64 transitions. [2024-10-31 22:18:17,872 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2024-10-31 22:18:17,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:18:17,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:18:17,873 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:17,873 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:18:17,873 INFO L745 eck$LassoCheckResult]: Stem: 999#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1000#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~ret5#1, main_~m~0#1, main_~n~0#1, main_~r~0#1;havoc main_#t~nondet2#1;main_~m~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~n~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;havoc main_#t~nondet4#1;main_~r~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 994#L28 assume (main_~m~0#1 >= 0 && main_~n~0#1 >= 0) && main_~r~0#1 >= 0; 987#L29 call main_#t~ret5#1 := p(main_~m~0#1, main_~n~0#1, main_~r~0#1);< 1001#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 1025#L13 assume ~r > 0; 990#L14 call #t~ret0 := p(~m, ~r - 1, ~n);< 995#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 996#L13 assume !(~r > 0); 989#L16 assume ~n > 0; 991#L17 call #t~ret1 := p(~r, ~n - 1, ~m);< 1013#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 1005#L13 assume ~r > 0; 982#L14 [2024-10-31 22:18:17,874 INFO L747 eck$LassoCheckResult]: Loop: 982#L14 call #t~ret0 := p(~m, ~r - 1, ~n);< 1002#$Ultimate##0 ~m := #in~m;~n := #in~n;~r := #in~r; 981#L13 assume ~r > 0; 982#L14 [2024-10-31 22:18:17,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:17,876 INFO L85 PathProgramCache]: Analyzing trace with hash 681879976, now seen corresponding path program 5 times [2024-10-31 22:18:17,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:17,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387705740] [2024-10-31 22:18:17,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:17,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:17,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:17,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:17,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:17,908 INFO L85 PathProgramCache]: Analyzing trace with hash 57663, now seen corresponding path program 3 times [2024-10-31 22:18:17,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:17,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278063354] [2024-10-31 22:18:17,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:17,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:17,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:17,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:17,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:17,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1308917192, now seen corresponding path program 6 times [2024-10-31 22:18:17,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:17,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204572040] [2024-10-31 22:18:17,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:17,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:17,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:17,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:18,084 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:18:18,084 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:18:18,084 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:18:18,084 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:18:18,084 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:18:18,085 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:18,085 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:18:18,085 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:18:18,085 INFO L132 ssoRankerPreferences]: Filename of dumped script: LeeJonesBen-Amram-POPL2001-Ex4.c_Iteration6_Loop [2024-10-31 22:18:18,085 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:18:18,085 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:18:18,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:18,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:18,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:18,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:18,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:18,200 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:18:18,200 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:18:18,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:18,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:18,209 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:18,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-10-31 22:18:18,217 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:18:18,217 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:18,244 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:18:18,244 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#res=0} Honda state: {p_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:18:18,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:18,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:18,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:18,263 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:18,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-10-31 22:18:18,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:18:18,265 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:18,280 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:18:18,280 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#t~ret1=0} Honda state: {p_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:18:18,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-10-31 22:18:18,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:18,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:18,295 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:18,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-10-31 22:18:18,298 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:18:18,298 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:18,323 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:18:18,323 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {p_#in~m=6, p_~m=6} Honda state: {p_#in~m=6, p_~m=6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:18:18,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-10-31 22:18:18,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:18,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:18,341 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:18,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-10-31 22:18:18,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:18:18,345 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:18:18,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-10-31 22:18:18,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:18,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:18,412 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:18,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fba1246-1b95-4a7e-ad36-552565f84d45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-10-31 22:18:18,415 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:18:18,415 INFO L160 nArgumentSynthesizer]: Using integer mode.