./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya --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 30d2fee99df05baf23c51b2012b75d1af7c997c2ecdfb3b70ac3637daf8339a3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:55:59,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:55:59,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 06:55:59,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:55:59,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:55:59,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:55:59,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:55:59,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:55:59,915 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:55:59,915 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:55:59,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:55:59,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:55:59,917 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:55:59,918 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 06:55:59,919 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 06:55:59,919 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 06:55:59,920 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 06:55:59,920 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 06:55:59,920 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 06:55:59,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:55:59,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 06:55:59,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:55:59,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:55:59,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 06:55:59,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 06:55:59,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 06:55:59,924 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:55:59,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:55:59,925 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 06:55:59,926 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:55:59,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:55:59,926 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:55:59,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:55:59,927 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:55:59,928 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 06:55:59,928 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_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30d2fee99df05baf23c51b2012b75d1af7c997c2ecdfb3b70ac3637daf8339a3 [2023-11-29 06:56:00,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:56:00,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:56:00,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:56:00,181 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:56:00,182 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:56:00,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2023-11-29 06:56:02,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:56:03,125 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:56:03,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2023-11-29 06:56:03,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/data/b78fcb5f5/773407b17b9f4e95b4878df5f67977ce/FLAGcacc81bfe [2023-11-29 06:56:03,147 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/data/b78fcb5f5/773407b17b9f4e95b4878df5f67977ce [2023-11-29 06:56:03,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:56:03,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:56:03,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:56:03,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:56:03,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:56:03,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:56:03" (1/1) ... [2023-11-29 06:56:03,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66815f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03, skipping insertion in model container [2023-11-29 06:56:03,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:56:03" (1/1) ... [2023-11-29 06:56:03,173 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:56:03,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:56:03,292 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:56:03,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:56:03,314 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:56:03,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03 WrapperNode [2023-11-29 06:56:03,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:56:03,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:56:03,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:56:03,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:56:03,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03" (1/1) ... [2023-11-29 06:56:03,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03" (1/1) ... [2023-11-29 06:56:03,338 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2023-11-29 06:56:03,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:56:03,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:56:03,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:56:03,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:56:03,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03" (1/1) ... [2023-11-29 06:56:03,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03" (1/1) ... [2023-11-29 06:56:03,349 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03" (1/1) ... [2023-11-29 06:56:03,354 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-29 06:56:03,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03" (1/1) ... [2023-11-29 06:56:03,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03" (1/1) ... [2023-11-29 06:56:03,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03" (1/1) ... [2023-11-29 06:56:03,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03" (1/1) ... [2023-11-29 06:56:03,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03" (1/1) ... [2023-11-29 06:56:03,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03" (1/1) ... [2023-11-29 06:56:03,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:56:03,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:56:03,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:56:03,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:56:03,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03" (1/1) ... [2023-11-29 06:56:03,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:03,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:03,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:03,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 06:56:03,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:56:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:56:03,507 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:56:03,510 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:56:03,584 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:56:03,594 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:56:03,595 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:56:03,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:56:03 BoogieIcfgContainer [2023-11-29 06:56:03,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:56:03,599 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 06:56:03,599 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 06:56:03,604 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 06:56:03,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:56:03,605 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:56:03" (1/3) ... [2023-11-29 06:56:03,606 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18562679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:56:03, skipping insertion in model container [2023-11-29 06:56:03,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:56:03,606 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:03" (2/3) ... [2023-11-29 06:56:03,607 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18562679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:56:03, skipping insertion in model container [2023-11-29 06:56:03,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 06:56:03,607 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:56:03" (3/3) ... [2023-11-29 06:56:03,609 INFO L332 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-TACAS2013-Fig7b.c [2023-11-29 06:56:03,659 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 06:56:03,659 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 06:56:03,660 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 06:56:03,660 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 06:56:03,660 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 06:56:03,660 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 06:56:03,660 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 06:56:03,661 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 06:56:03,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:03,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 06:56:03,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:56:03,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:56:03,684 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:56:03,684 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 06:56:03,685 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 06:56:03,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:03,686 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 06:56:03,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:56:03,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:56:03,687 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 06:56:03,687 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 06:56:03,693 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 4#L23-2true [2023-11-29 06:56:03,693 INFO L750 eck$LassoCheckResult]: Loop: 4#L23-2true assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 5#L21true assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 4#L23-2true [2023-11-29 06:56:03,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:03,698 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 06:56:03,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:03,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801439534] [2023-11-29 06:56:03,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:03,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:03,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:03,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:03,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:03,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2023-11-29 06:56:03,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:03,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534452065] [2023-11-29 06:56:03,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:03,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:03,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:03,809 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:03,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:03,811 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2023-11-29 06:56:03,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:03,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895550638] [2023-11-29 06:56:03,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:03,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:03,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:03,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:03,919 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:56:03,920 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:56:03,920 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:56:03,920 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:56:03,920 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:56:03,921 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:03,921 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:56:03,921 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:56:03,921 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration1_Loop [2023-11-29 06:56:03,921 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:56:03,922 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:56:03,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:03,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:03,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:03,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:03,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:03,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,040 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:56:04,040 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:56:04,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:04,045 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:04,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 06:56:04,067 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:04,067 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:04,093 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:04,094 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:04,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:04,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:04,104 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:04,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 06:56:04,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:04,110 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:04,133 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:04,133 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:04,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 06:56:04,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:04,139 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:04,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 06:56:04,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:04,143 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:04,164 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:04,164 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=1} Honda state: {ULTIMATE.start_main_~y~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:04,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 06:56:04,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:04,169 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:04,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 06:56:04,171 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:04,172 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:04,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 06:56:04,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:04,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:04,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 06:56:04,194 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:56:04,194 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:04,221 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:56:04,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 06:56:04,224 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:56:04,224 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:56:04,224 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:56:04,224 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:56:04,225 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:56:04,225 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,225 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:56:04,225 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:56:04,225 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration1_Loop [2023-11-29 06:56:04,225 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:56:04,225 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:56:04,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,323 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:56:04,328 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:56:04,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:04,331 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:04,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 06:56:04,335 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 [2023-11-29 06:56:04,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:04,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:04,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:04,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:04,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:56:04,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:56:04,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:04,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 06:56:04,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:04,373 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:04,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 06:56:04,376 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 [2023-11-29 06:56:04,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:04,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:04,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:04,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:04,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:56:04,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:56:04,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:04,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 06:56:04,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:04,408 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:04,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 06:56:04,418 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 [2023-11-29 06:56:04,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:04,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:04,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:04,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:04,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:04,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:04,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:04,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:04,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 06:56:04,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:04,440 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:04,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 06:56:04,443 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 [2023-11-29 06:56:04,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:04,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:04,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:04,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:04,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:04,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:04,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:04,464 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:56:04,468 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 06:56:04,468 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 06:56:04,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:04,494 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:04,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 06:56:04,496 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:56:04,496 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 06:56:04,496 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:56:04,497 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2023-11-29 06:56:04,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 06:56:04,503 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 06:56:04,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:04,541 WARN L260 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:56:04,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:04,556 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:56:04,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:04,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:04,611 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 06:56:04,613 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:04,673 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 43 transitions. Complement of second has 8 states. [2023-11-29 06:56:04,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 06:56:04,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:04,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2023-11-29 06:56:04,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-29 06:56:04,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:04,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-29 06:56:04,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:04,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-29 06:56:04,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:04,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 43 transitions. [2023-11-29 06:56:04,687 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-29 06:56:04,691 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 14 states and 20 transitions. [2023-11-29 06:56:04,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-29 06:56:04,692 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-29 06:56:04,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2023-11-29 06:56:04,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:56:04,693 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2023-11-29 06:56:04,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2023-11-29 06:56:04,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2023-11-29 06:56:04,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:04,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2023-11-29 06:56:04,721 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 19 transitions. [2023-11-29 06:56:04,721 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2023-11-29 06:56:04,721 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 06:56:04,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2023-11-29 06:56:04,722 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-29 06:56:04,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:56:04,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:56:04,722 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 06:56:04,723 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:56:04,723 INFO L748 eck$LassoCheckResult]: Stem: 85#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 86#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 89#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 79#L21 [2023-11-29 06:56:04,723 INFO L750 eck$LassoCheckResult]: Loop: 79#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 82#L23 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~y~0#1 := main_~y~0#1 - 1;havoc main_#t~nondet5#1;main_~z~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 78#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 79#L21 [2023-11-29 06:56:04,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:04,724 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-11-29 06:56:04,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:04,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135041224] [2023-11-29 06:56:04,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:04,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:04,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:04,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:04,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:04,734 INFO L85 PathProgramCache]: Analyzing trace with hash 45767, now seen corresponding path program 1 times [2023-11-29 06:56:04,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:04,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42858580] [2023-11-29 06:56:04,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:04,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:04,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:04,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:04,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:04,749 INFO L85 PathProgramCache]: Analyzing trace with hash 889694400, now seen corresponding path program 1 times [2023-11-29 06:56:04,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:04,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125555165] [2023-11-29 06:56:04,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:04,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:04,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:04,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:04,806 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:56:04,806 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:56:04,806 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:56:04,807 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:56:04,807 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:56:04,807 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,807 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:56:04,807 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:56:04,808 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration2_Loop [2023-11-29 06:56:04,808 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:56:04,808 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:56:04,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:04,907 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:56:04,907 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:56:04,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:04,910 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:04,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 06:56:04,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:04,915 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:04,937 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:04,938 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:04,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:04,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:04,943 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:04,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 06:56:04,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:04,947 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:04,962 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:04,962 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:04,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 06:56:04,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:04,968 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:04,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 06:56:04,971 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:04,971 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:04,993 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:04,993 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:04,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 06:56:04,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:04,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:04,999 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 06:56:05,010 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:05,010 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:05,029 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:05,030 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:05,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 06:56:05,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,035 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 06:56:05,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:05,039 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:05,065 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:05,066 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:05,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 06:56:05,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,072 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 06:56:05,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:05,076 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:05,103 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:05,103 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0#1=1} Honda state: {ULTIMATE.start_main_~z~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:05,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 06:56:05,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,109 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 06:56:05,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:05,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:05,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 06:56:05,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,137 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 06:56:05,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:56:05,146 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:05,262 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:56:05,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 06:56:05,267 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:56:05,268 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:56:05,268 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:56:05,268 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:56:05,268 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:56:05,268 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,268 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:56:05,268 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:56:05,268 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration2_Loop [2023-11-29 06:56:05,268 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:56:05,268 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:56:05,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,376 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:56:05,376 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:56:05,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,378 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 06:56:05,383 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 [2023-11-29 06:56:05,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:05,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:05,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:05,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:05,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:56:05,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:56:05,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:05,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 06:56:05,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,411 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 06:56:05,418 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 [2023-11-29 06:56:05,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:05,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:05,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:05,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:05,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:05,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:05,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:05,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:05,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 06:56:05,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,450 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 06:56:05,454 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 [2023-11-29 06:56:05,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:05,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:05,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:05,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:05,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:05,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:05,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:05,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:05,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:05,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,478 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 06:56:05,483 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 [2023-11-29 06:56:05,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:05,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:05,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:05,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:05,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:05,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:05,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:05,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:05,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 06:56:05,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,507 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 06:56:05,511 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 [2023-11-29 06:56:05,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:05,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:05,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:05,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:05,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:05,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:05,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:05,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:05,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:05,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,539 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 06:56:05,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 06:56:05,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:05,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:05,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:05,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:05,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:56:05,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:56:05,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:05,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-29 06:56:05,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,573 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 06:56:05,578 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 [2023-11-29 06:56:05,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:05,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:05,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:05,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:05,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:05,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:05,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:05,599 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:56:05,603 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 06:56:05,603 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 06:56:05,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,608 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 06:56:05,610 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:56:05,610 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 06:56:05,610 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:56:05,610 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-11-29 06:56:05,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-29 06:56:05,616 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 06:56:05,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:05,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:56:05,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:05,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:56:05,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:05,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:05,670 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 06:56:05,670 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:05,694 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 50 transitions. Complement of second has 6 states. [2023-11-29 06:56:05,694 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 [2023-11-29 06:56:05,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:05,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-11-29 06:56:05,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 3 letters. [2023-11-29 06:56:05,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:05,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-29 06:56:05,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:05,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 6 letters. [2023-11-29 06:56:05,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:05,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 50 transitions. [2023-11-29 06:56:05,699 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 06:56:05,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 28 states and 43 transitions. [2023-11-29 06:56:05,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-29 06:56:05,701 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-29 06:56:05,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 43 transitions. [2023-11-29 06:56:05,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:56:05,701 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 43 transitions. [2023-11-29 06:56:05,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 43 transitions. [2023-11-29 06:56:05,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2023-11-29 06:56:05,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.625) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2023-11-29 06:56:05,705 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 39 transitions. [2023-11-29 06:56:05,705 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 39 transitions. [2023-11-29 06:56:05,706 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 06:56:05,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 39 transitions. [2023-11-29 06:56:05,707 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 06:56:05,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:56:05,707 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:56:05,707 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 06:56:05,707 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:56:05,708 INFO L748 eck$LassoCheckResult]: Stem: 173#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 174#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 175#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 182#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 168#L23 [2023-11-29 06:56:05,708 INFO L750 eck$LassoCheckResult]: Loop: 168#L23 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;havoc main_#t~nondet6#1;main_~x~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 163#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 164#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 168#L23 [2023-11-29 06:56:05,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:05,708 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2023-11-29 06:56:05,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:05,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444370410] [2023-11-29 06:56:05,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:05,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:05,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:05,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-29 06:56:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:05,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:05,736 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:05,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:05,736 INFO L85 PathProgramCache]: Analyzing trace with hash 50329, now seen corresponding path program 1 times [2023-11-29 06:56:05,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:05,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699887836] [2023-11-29 06:56:05,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:05,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:05,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:05,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:05,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:05,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1810724562, now seen corresponding path program 1 times [2023-11-29 06:56:05,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:05,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098190259] [2023-11-29 06:56:05,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:05,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:05,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:05,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:05,807 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:56:05,807 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:56:05,807 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:56:05,807 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:56:05,807 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:56:05,808 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,808 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:56:05,808 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:56:05,808 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration3_Loop [2023-11-29 06:56:05,808 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:56:05,808 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:56:05,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:05,905 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:56:05,905 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:56:05,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,907 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 06:56:05,914 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:05,914 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:05,941 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:05,941 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:05,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:05,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,947 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 06:56:05,950 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:05,950 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:05,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-29 06:56:05,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:05,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:05,973 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:05,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 06:56:05,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:56:05,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:06,055 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:56:06,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:06,059 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:56:06,059 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:56:06,059 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:56:06,059 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:56:06,059 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:56:06,059 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,059 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:56:06,059 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:56:06,059 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration3_Loop [2023-11-29 06:56:06,059 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:56:06,059 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:56:06,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,142 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:56:06,142 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:56:06,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,144 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 06:56:06,147 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 [2023-11-29 06:56:06,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:06,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:06,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:06,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:06,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:06,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:06,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:06,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:06,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-29 06:56:06,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,166 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 06:56:06,169 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 [2023-11-29 06:56:06,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:06,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:06,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:06,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:06,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:06,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:06,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:06,185 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:56:06,189 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 06:56:06,189 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 06:56:06,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,190 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-29 06:56:06,198 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:56:06,198 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 06:56:06,198 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:56:06,198 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2023-11-29 06:56:06,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 06:56:06,202 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 06:56:06,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:06,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:56:06,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:06,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:56:06,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:06,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:06,263 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 [2023-11-29 06:56:06,263 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 39 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:06,288 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 39 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 86 transitions. Complement of second has 7 states. [2023-11-29 06:56:06,288 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 [2023-11-29 06:56:06,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:06,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-29 06:56:06,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 3 letters. [2023-11-29 06:56:06,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:06,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-29 06:56:06,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:06,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 6 letters. [2023-11-29 06:56:06,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:06,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 86 transitions. [2023-11-29 06:56:06,294 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-29 06:56:06,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 50 states and 79 transitions. [2023-11-29 06:56:06,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-29 06:56:06,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-29 06:56:06,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 79 transitions. [2023-11-29 06:56:06,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:56:06,296 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 79 transitions. [2023-11-29 06:56:06,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 79 transitions. [2023-11-29 06:56:06,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2023-11-29 06:56:06,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.6041666666666667) internal successors, (77), 47 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:06,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 77 transitions. [2023-11-29 06:56:06,303 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 77 transitions. [2023-11-29 06:56:06,303 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 77 transitions. [2023-11-29 06:56:06,303 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 06:56:06,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 77 transitions. [2023-11-29 06:56:06,305 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-29 06:56:06,305 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:56:06,305 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:56:06,305 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2023-11-29 06:56:06,306 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 06:56:06,306 INFO L748 eck$LassoCheckResult]: Stem: 299#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 300#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 287#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 289#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 293#L23 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~y~0#1 := main_~y~0#1 - 1;havoc main_#t~nondet5#1;main_~z~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 319#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 303#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 302#L23 [2023-11-29 06:56:06,306 INFO L750 eck$LassoCheckResult]: Loop: 302#L23 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;havoc main_#t~nondet6#1;main_~x~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 316#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 317#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 302#L23 [2023-11-29 06:56:06,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:06,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1810722640, now seen corresponding path program 2 times [2023-11-29 06:56:06,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:06,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224999028] [2023-11-29 06:56:06,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:06,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:06,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:06,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:06,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:06,320 INFO L85 PathProgramCache]: Analyzing trace with hash 50329, now seen corresponding path program 2 times [2023-11-29 06:56:06,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:06,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162282805] [2023-11-29 06:56:06,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:06,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:06,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:06,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:06,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:06,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1551048982, now seen corresponding path program 1 times [2023-11-29 06:56:06,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:06,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120834497] [2023-11-29 06:56:06,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:06,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:06,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:06,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:06,385 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:56:06,385 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:56:06,385 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:56:06,385 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:56:06,386 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:56:06,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:56:06,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:56:06,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration4_Loop [2023-11-29 06:56:06,386 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:56:06,386 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:56:06,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,474 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:56:06,474 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:56:06,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,476 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-29 06:56:06,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:06,479 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:06,494 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:06,494 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:06,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-29 06:56:06,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,498 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-29 06:56:06,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:06,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:06,515 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:06,515 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:06,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-29 06:56:06,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,520 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-29 06:56:06,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:06,523 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:06,544 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:06,544 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=1} Honda state: {ULTIMATE.start_main_~y~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:06,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-29 06:56:06,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,548 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-29 06:56:06,551 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:06,551 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:06,572 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:06,572 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:06,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:06,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,577 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-29 06:56:06,580 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:06,580 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:06,604 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:06,604 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:06,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-29 06:56:06,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,608 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-29 06:56:06,611 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:06,611 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:06,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-29 06:56:06,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,629 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-29 06:56:06,632 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:56:06,632 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:06,731 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:56:06,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:06,734 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:56:06,734 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:56:06,734 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:56:06,734 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:56:06,734 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:56:06,735 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,735 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:56:06,735 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:56:06,735 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration4_Loop [2023-11-29 06:56:06,735 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:56:06,735 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:56:06,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:06,807 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:56:06,807 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:56:06,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,808 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-29 06:56:06,811 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 [2023-11-29 06:56:06,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:06,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:06,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:06,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:06,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:06,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:06,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:06,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:06,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:06,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,829 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-29 06:56:06,831 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 [2023-11-29 06:56:06,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:06,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:06,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:06,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:06,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:06,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:06,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:06,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:06,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-29 06:56:06,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,850 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-29 06:56:06,852 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 [2023-11-29 06:56:06,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:06,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:06,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:06,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:06,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:06,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:06,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:06,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:06,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-29 06:56:06,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,869 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-29 06:56:06,872 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 [2023-11-29 06:56:06,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:06,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:06,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:06,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:06,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:06,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:06,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:06,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:06,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:06,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,890 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-29 06:56:06,892 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 [2023-11-29 06:56:06,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:06,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:06,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:06,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:06,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:56:06,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:56:06,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:06,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-29 06:56:06,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,914 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-29 06:56:06,916 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 [2023-11-29 06:56:06,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:06,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:06,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:06,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:06,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:06,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:06,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:06,930 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:56:06,931 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-29 06:56:06,931 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 06:56:06,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:06,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:06,932 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:06,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-29 06:56:06,934 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:56:06,935 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 06:56:06,935 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:56:06,935 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2023-11-29 06:56:06,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-29 06:56:06,937 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 06:56:06,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:06,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:56:06,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:06,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:56:06,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:06,991 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 [2023-11-29 06:56:06,991 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 77 transitions. cyclomatic complexity: 40 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:07,016 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 77 transitions. cyclomatic complexity: 40. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 103 transitions. Complement of second has 7 states. [2023-11-29 06:56:07,016 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 [2023-11-29 06:56:07,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:07,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-29 06:56:07,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-29 06:56:07,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:07,017 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 06:56:07,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:07,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:56:07,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:07,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:56:07,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:07,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:07,072 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-29 06:56:07,072 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 77 transitions. cyclomatic complexity: 40 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:07,098 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 77 transitions. cyclomatic complexity: 40. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 61 states and 96 transitions. Complement of second has 7 states. [2023-11-29 06:56:07,099 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 [2023-11-29 06:56:07,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:07,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2023-11-29 06:56:07,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-29 06:56:07,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:07,100 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 06:56:07,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:07,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:56:07,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:07,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:56:07,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:07,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:07,153 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-29 06:56:07,153 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 77 transitions. cyclomatic complexity: 40 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:07,176 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 77 transitions. cyclomatic complexity: 40. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 89 states and 138 transitions. Complement of second has 9 states. [2023-11-29 06:56:07,176 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 [2023-11-29 06:56:07,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:07,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2023-11-29 06:56:07,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-29 06:56:07,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:07,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-29 06:56:07,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:07,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 7 letters. Loop has 6 letters. [2023-11-29 06:56:07,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:07,179 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 89 states and 138 transitions. [2023-11-29 06:56:07,182 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-29 06:56:07,183 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 89 states to 67 states and 104 transitions. [2023-11-29 06:56:07,183 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-29 06:56:07,183 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-29 06:56:07,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 104 transitions. [2023-11-29 06:56:07,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:56:07,184 INFO L218 hiAutomatonCegarLoop]: Abstraction has 67 states and 104 transitions. [2023-11-29 06:56:07,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 104 transitions. [2023-11-29 06:56:07,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 39. [2023-11-29 06:56:07,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.5897435897435896) internal successors, (62), 38 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 62 transitions. [2023-11-29 06:56:07,188 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 62 transitions. [2023-11-29 06:56:07,188 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 62 transitions. [2023-11-29 06:56:07,189 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 06:56:07,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 62 transitions. [2023-11-29 06:56:07,190 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-29 06:56:07,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:56:07,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:56:07,190 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2023-11-29 06:56:07,190 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 06:56:07,191 INFO L748 eck$LassoCheckResult]: Stem: 698#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 699#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 685#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 687#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 695#L23 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;havoc main_#t~nondet6#1;main_~x~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 696#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 717#L21 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 691#L23-2 [2023-11-29 06:56:07,191 INFO L750 eck$LassoCheckResult]: Loop: 691#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 690#L21 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 691#L23-2 [2023-11-29 06:56:07,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:07,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1810724560, now seen corresponding path program 1 times [2023-11-29 06:56:07,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:07,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511280208] [2023-11-29 06:56:07,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:07,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:07,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:07,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:07,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:07,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 2 times [2023-11-29 06:56:07,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:07,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662580476] [2023-11-29 06:56:07,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:07,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:07,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:07,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:07,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:07,212 INFO L85 PathProgramCache]: Analyzing trace with hash 644547635, now seen corresponding path program 2 times [2023-11-29 06:56:07,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:07,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101857652] [2023-11-29 06:56:07,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:07,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:07,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:07,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:07,249 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:56:07,250 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:56:07,250 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:56:07,250 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:56:07,250 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:56:07,250 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,250 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:56:07,250 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:56:07,250 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration5_Loop [2023-11-29 06:56:07,250 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:56:07,250 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:56:07,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-29 06:56:07,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-29 06:56:07,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,315 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:56:07,315 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:56:07,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,316 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-29 06:56:07,321 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:07,321 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:07,340 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:07,340 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=1} Honda state: {ULTIMATE.start_main_~y~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:07,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-29 06:56:07,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,344 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-29 06:56:07,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:07,347 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:07,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-29 06:56:07,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,362 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-29 06:56:07,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:56:07,364 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:07,385 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:56:07,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:07,388 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:56:07,388 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:56:07,388 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:56:07,388 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:56:07,388 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:56:07,388 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,388 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:56:07,388 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:56:07,388 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration5_Loop [2023-11-29 06:56:07,388 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:56:07,388 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:56:07,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,440 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:56:07,441 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:56:07,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,442 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-29 06:56:07,445 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 [2023-11-29 06:56:07,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:07,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:07,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:07,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:07,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:07,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:07,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:07,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:07,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-29 06:56:07,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,462 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-29 06:56:07,464 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 [2023-11-29 06:56:07,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:07,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:07,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:07,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:07,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:07,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:07,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:07,477 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:56:07,480 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 06:56:07,480 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 06:56:07,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,481 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-29 06:56:07,484 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:56:07,484 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 06:56:07,484 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:56:07,484 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2023-11-29 06:56:07,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:07,487 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 06:56:07,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:07,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:56:07,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:07,521 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:56:07,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:07,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:07,533 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 06:56:07,533 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 62 transitions. cyclomatic complexity: 30 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:07,550 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 62 transitions. cyclomatic complexity: 30. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 101 states and 154 transitions. Complement of second has 5 states. [2023-11-29 06:56:07,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 06:56:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2023-11-29 06:56:07,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-29 06:56:07,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:07,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-29 06:56:07,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:07,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-29 06:56:07,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:07,552 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 154 transitions. [2023-11-29 06:56:07,554 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-29 06:56:07,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 83 states and 130 transitions. [2023-11-29 06:56:07,556 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-29 06:56:07,556 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-29 06:56:07,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 130 transitions. [2023-11-29 06:56:07,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 06:56:07,556 INFO L218 hiAutomatonCegarLoop]: Abstraction has 83 states and 130 transitions. [2023-11-29 06:56:07,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 130 transitions. [2023-11-29 06:56:07,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 70. [2023-11-29 06:56:07,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.6) internal successors, (112), 69 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:07,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 112 transitions. [2023-11-29 06:56:07,562 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 112 transitions. [2023-11-29 06:56:07,562 INFO L428 stractBuchiCegarLoop]: Abstraction has 70 states and 112 transitions. [2023-11-29 06:56:07,562 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-29 06:56:07,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 112 transitions. [2023-11-29 06:56:07,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-29 06:56:07,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 06:56:07,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 06:56:07,563 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1] [2023-11-29 06:56:07,563 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 06:56:07,564 INFO L748 eck$LassoCheckResult]: Stem: 884#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 885#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 886#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 916#L21 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 929#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 874#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 887#L23 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;havoc main_#t~nondet6#1;main_~x~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 910#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 906#L21 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 890#L23-2 [2023-11-29 06:56:07,564 INFO L750 eck$LassoCheckResult]: Loop: 890#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 889#L21 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 890#L23-2 [2023-11-29 06:56:07,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:07,564 INFO L85 PathProgramCache]: Analyzing trace with hash 578209805, now seen corresponding path program 3 times [2023-11-29 06:56:07,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:07,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677212566] [2023-11-29 06:56:07,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:07,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:07,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:07,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:07,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:07,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 3 times [2023-11-29 06:56:07,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:07,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755751847] [2023-11-29 06:56:07,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:07,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:07,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:07,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:07,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:07,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1608841776, now seen corresponding path program 4 times [2023-11-29 06:56:07,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:07,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024684577] [2023-11-29 06:56:07,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:07,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:07,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:56:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:56:07,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:56:07,622 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:56:07,622 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:56:07,622 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:56:07,622 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:56:07,622 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 06:56:07,623 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,623 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:56:07,623 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:56:07,623 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration6_Loop [2023-11-29 06:56:07,623 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:56:07,623 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:56:07,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,630 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,669 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:56:07,669 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 06:56:07,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,670 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-29 06:56:07,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:07,673 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:07,693 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:07,693 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=1} Honda state: {ULTIMATE.start_main_~y~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:07,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-29 06:56:07,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,696 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-29 06:56:07,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:07,699 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:07,716 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:07,716 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0#1=1} Honda state: {ULTIMATE.start_main_~z~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:07,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:07,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,719 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-29 06:56:07,722 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:07,722 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:07,733 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:07,733 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:07,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:07,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,737 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-29 06:56:07,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:07,739 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:07,756 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:07,756 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:07,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-29 06:56:07,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,760 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-29 06:56:07,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:07,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:07,779 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 06:56:07,779 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 06:56:07,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:07,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,783 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-29 06:56:07,785 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 06:56:07,785 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:07,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-29 06:56:07,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,799 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-29 06:56:07,801 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 06:56:07,802 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 06:56:07,826 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 06:56:07,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:07,829 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 06:56:07,829 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 06:56:07,829 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 06:56:07,829 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 06:56:07,829 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 06:56:07,829 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,829 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 06:56:07,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 06:56:07,830 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration6_Loop [2023-11-29 06:56:07,830 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 06:56:07,830 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 06:56:07,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 06:56:07,873 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 06:56:07,873 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 06:56:07,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,875 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-29 06:56:07,877 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 [2023-11-29 06:56:07,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:07,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:07,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:07,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:07,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:07,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:07,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:07,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:07,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-29 06:56:07,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,891 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-29 06:56:07,894 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 [2023-11-29 06:56:07,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:07,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:07,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:07,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:07,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:07,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:07,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:07,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:07,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:07,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,910 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-29 06:56:07,912 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 [2023-11-29 06:56:07,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:07,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:07,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:07,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:07,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:07,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:07,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:07,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:07,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-11-29 06:56:07,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,928 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-29 06:56:07,930 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 [2023-11-29 06:56:07,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:07,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:07,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:07,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:07,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 06:56:07,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 06:56:07,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 06:56:07,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:07,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,950 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-29 06:56:07,952 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 [2023-11-29 06:56:07,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 06:56:07,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 06:56:07,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 06:56:07,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 06:56:07,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 06:56:07,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 06:56:07,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 06:56:07,965 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 06:56:07,968 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 06:56:07,968 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 06:56:07,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 06:56:07,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:07,969 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:07,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-29 06:56:07,973 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 06:56:07,973 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 06:56:07,974 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 06:56:07,974 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2023-11-29 06:56:07,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-29 06:56:07,977 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 06:56:07,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:07,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:56:07,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:08,007 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:56:08,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:08,017 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 06:56:08,018 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 112 transitions. cyclomatic complexity: 56 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:08,031 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 112 transitions. cyclomatic complexity: 56. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 110 states and 165 transitions. Complement of second has 5 states. [2023-11-29 06:56:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 06:56:08,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:08,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2023-11-29 06:56:08,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-29 06:56:08,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:08,033 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 06:56:08,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:08,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:56:08,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:08,063 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:56:08,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:08,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:08,074 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 06:56:08,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 112 transitions. cyclomatic complexity: 56 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:08,088 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 112 transitions. cyclomatic complexity: 56. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 110 states and 165 transitions. Complement of second has 5 states. [2023-11-29 06:56:08,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 06:56:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:08,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2023-11-29 06:56:08,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-29 06:56:08,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:08,090 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 06:56:08,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:08,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:56:08,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:08,120 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:56:08,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:56:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:08,132 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 06:56:08,132 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 112 transitions. cyclomatic complexity: 56 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:08,147 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 112 transitions. cyclomatic complexity: 56. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 126 states and 193 transitions. Complement of second has 4 states. [2023-11-29 06:56:08,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 06:56:08,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:08,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-11-29 06:56:08,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-29 06:56:08,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:08,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2023-11-29 06:56:08,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:08,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2023-11-29 06:56:08,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 06:56:08,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 193 transitions. [2023-11-29 06:56:08,151 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 06:56:08,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 0 states and 0 transitions. [2023-11-29 06:56:08,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 06:56:08,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 06:56:08,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 06:56:08,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:08,152 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:56:08,152 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:56:08,152 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:56:08,152 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-29 06:56:08,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:56:08,152 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 06:56:08,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 06:56:08,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:56:08 BoogieIcfgContainer [2023-11-29 06:56:08,158 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 06:56:08,158 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:56:08,158 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:56:08,158 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:56:08,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:56:03" (3/4) ... [2023-11-29 06:56:08,160 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:56:08,160 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:56:08,161 INFO L158 Benchmark]: Toolchain (without parser) took 5010.41ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 108.8MB in the beginning and 78.2MB in the end (delta: 30.7MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2023-11-29 06:56:08,161 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:56:08,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.93ms. Allocated memory is still 146.8MB. Free memory was 108.8MB in the beginning and 99.4MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 06:56:08,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.86ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 97.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:56:08,162 INFO L158 Benchmark]: Boogie Preprocessor took 24.05ms. Allocated memory is still 146.8MB. Free memory was 97.9MB in the beginning and 96.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:56:08,162 INFO L158 Benchmark]: RCFGBuilder took 233.14ms. Allocated memory is still 146.8MB. Free memory was 96.3MB in the beginning and 88.4MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:56:08,162 INFO L158 Benchmark]: BuchiAutomizer took 4559.05ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 87.9MB in the beginning and 79.2MB in the end (delta: 8.6MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2023-11-29 06:56:08,162 INFO L158 Benchmark]: Witness Printer took 2.43ms. Allocated memory is still 180.4MB. Free memory was 79.2MB in the beginning and 78.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:56:08,164 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.93ms. Allocated memory is still 146.8MB. Free memory was 108.8MB in the beginning and 99.4MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.86ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 97.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.05ms. Allocated memory is still 146.8MB. Free memory was 97.9MB in the beginning and 96.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 233.14ms. Allocated memory is still 146.8MB. Free memory was 96.3MB in the beginning and 88.4MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 4559.05ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 87.9MB in the beginning and 79.2MB in the end (delta: 8.6MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Witness Printer took 2.43ms. Allocated memory is still 180.4MB. Free memory was 79.2MB in the beginning and 78.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (0 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function z and consists of 4 locations. One deterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function z and consists of 4 locations. One nondeterministic module has affine ranking function x and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 7 iterations. TraceHistogramMax:3. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 48 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 89 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT6 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax169 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 21 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 06:56:08,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-29 06:56:08,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-29 06:56:08,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70fe953c-5c10-426a-afef-1ac6808d39a7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE