./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 4fc63b2a 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_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/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_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 30d2fee99df05baf23c51b2012b75d1af7c997c2ecdfb3b70ac3637daf8339a3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:15:44,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:15:44,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 22:15:44,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:15:44,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:15:44,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:15:44,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:15:44,166 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:15:44,166 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:15:44,167 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:15:44,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:15:44,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:15:44,170 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:15:44,171 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:15:44,173 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:15:44,173 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:15:44,174 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:15:44,174 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:15:44,174 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:15:44,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:15:44,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:15:44,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:15:44,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:15:44,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:15:44,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:15:44,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:15:44,179 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:15:44,179 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:15:44,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:15:44,180 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:15:44,180 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:15:44,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:15:44,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:15:44,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:15:44,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:15:44,182 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:15:44,182 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_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30d2fee99df05baf23c51b2012b75d1af7c997c2ecdfb3b70ac3637daf8339a3 [2024-10-31 22:15:44,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:15:44,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:15:44,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:15:44,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:15:44,528 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:15:44,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c Unable to find full path for "g++" [2024-10-31 22:15:46,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:15:46,763 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:15:46,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2024-10-31 22:15:46,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/data/871458858/b7d79c48d3b44c16bed61df395f111d6/FLAG38522351d [2024-10-31 22:15:47,109 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/data/871458858/b7d79c48d3b44c16bed61df395f111d6 [2024-10-31 22:15:47,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:15:47,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:15:47,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:47,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:15:47,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:15:47,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:47" (1/1) ... [2024-10-31 22:15:47,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5657d39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47, skipping insertion in model container [2024-10-31 22:15:47,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:47" (1/1) ... [2024-10-31 22:15:47,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:15:47,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:47,369 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:15:47,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:47,404 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:15:47,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47 WrapperNode [2024-10-31 22:15:47,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:47,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:47,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:15:47,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:15:47,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47" (1/1) ... [2024-10-31 22:15:47,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47" (1/1) ... [2024-10-31 22:15:47,439 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-10-31 22:15:47,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:47,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:15:47,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:15:47,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:15:47,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47" (1/1) ... [2024-10-31 22:15:47,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47" (1/1) ... [2024-10-31 22:15:47,453 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47" (1/1) ... [2024-10-31 22:15:47,460 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:15:47,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47" (1/1) ... [2024-10-31 22:15:47,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47" (1/1) ... [2024-10-31 22:15:47,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47" (1/1) ... [2024-10-31 22:15:47,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47" (1/1) ... [2024-10-31 22:15:47,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47" (1/1) ... [2024-10-31 22:15:47,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47" (1/1) ... [2024-10-31 22:15:47,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:15:47,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:15:47,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:15:47,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:15:47,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47" (1/1) ... [2024-10-31 22:15:47,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:47,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:47,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:47,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:15:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:15:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:15:47,651 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:15:47,653 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:15:47,761 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-10-31 22:15:47,761 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:15:47,777 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:15:47,777 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:15:47,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:47 BoogieIcfgContainer [2024-10-31 22:15:47,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:15:47,780 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:15:47,780 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:15:47,785 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:15:47,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:15:47,786 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:15:47" (1/3) ... [2024-10-31 22:15:47,788 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ba4938f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:15:47, skipping insertion in model container [2024-10-31 22:15:47,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:15:47,789 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:47" (2/3) ... [2024-10-31 22:15:47,789 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ba4938f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:15:47, skipping insertion in model container [2024-10-31 22:15:47,790 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:15:47,790 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:47" (3/3) ... [2024-10-31 22:15:47,792 INFO L332 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-TACAS2013-Fig7b.c [2024-10-31 22:15:47,855 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:15:47,855 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:15:47,855 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:15:47,855 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:15:47,855 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:15:47,856 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:15:47,856 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:15:47,856 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:15:47,859 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) [2024-10-31 22:15:47,875 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:15:47,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:15:47,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:15:47,883 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:15:47,883 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:15:47,883 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:15:47,883 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) [2024-10-31 22:15:47,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:15:47,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:15:47,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:15:47,885 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:15:47,885 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:15:47,893 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 4#L23-2true [2024-10-31 22:15:47,894 INFO L747 eck$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 [2024-10-31 22:15:47,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:47,900 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-31 22:15:47,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:47,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731122933] [2024-10-31 22:15:47,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:47,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:48,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:48,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:48,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:48,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2024-10-31 22:15:48,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:48,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718610727] [2024-10-31 22:15:48,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:48,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:48,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:48,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:48,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:48,065 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-10-31 22:15:48,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:48,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645083143] [2024-10-31 22:15:48,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:48,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:48,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:48,097 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:48,290 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:15:48,290 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:15:48,291 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:15:48,291 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:15:48,291 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:15:48,291 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:48,292 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:15:48,292 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:15:48,292 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration1_Loop [2024-10-31 22:15:48,292 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:15:48,293 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:15:48,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:48,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:48,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:48,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:48,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:48,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:48,460 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:15:48,461 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:15:48,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:48,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:48,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:48,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:15:48,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:48,473 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:48,502 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:48,502 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:15:48,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:15:48,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:48,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:48,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:48,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:15:48,541 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:48,541 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:48,598 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:48,599 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:15:48,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:15:48,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:48,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:48,632 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:48,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:15:48,645 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:48,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:48,684 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:48,684 INFO L401 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: [] [2024-10-31 22:15:48,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:48,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:48,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:48,705 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:48,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:15:48,709 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:48,709 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:48,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:15:48,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:48,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:48,746 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:48,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:15:48,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:15:48,751 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:48,819 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:15:48,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:15:48,824 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:15:48,824 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:15:48,824 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:15:48,825 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:15:48,825 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:15:48,825 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:48,825 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:15:48,825 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:15:48,825 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration1_Loop [2024-10-31 22:15:48,825 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:15:48,826 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:15:48,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:48,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:48,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:48,857 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:48,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:48,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:48,970 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:15:48,976 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:15:48,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:48,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:48,982 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:48,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:15:48,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:48,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:48,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:48,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:48,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:49,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:15:49,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:15:49,007 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:49,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:15:49,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:49,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:49,030 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:49,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:15:49,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:49,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:49,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:49,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:49,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:49,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:15:49,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:15:49,061 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:49,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:15:49,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:49,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:49,082 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:49,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:15:49,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:49,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:49,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:49,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:49,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:49,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:49,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:49,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:49,104 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:49,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:15:49,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:49,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:49,126 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:49,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:15:49,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:49,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:49,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:49,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:49,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:49,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:49,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:49,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:49,148 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:15:49,159 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:15:49,159 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 22:15:49,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:49,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:49,173 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:49,187 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:15:49,187 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:15:49,187 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:15:49,188 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-31 22:15:49,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:15:49,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 22:15:49,210 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:15:49,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:49,247 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:15:49,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:49,267 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:15:49,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:49,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:49,338 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:15:49,340 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) [2024-10-31 22:15:49,405 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 23 states and 35 transitions. Complement of second has 6 states. [2024-10-31 22:15:49,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:15:49,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:49,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-10-31 22:15:49,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-31 22:15:49,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:49,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-31 22:15:49,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:49,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-31 22:15:49,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:49,416 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2024-10-31 22:15:49,417 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:15:49,421 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 14 states and 20 transitions. [2024-10-31 22:15:49,422 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-31 22:15:49,422 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 22:15:49,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2024-10-31 22:15:49,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:15:49,423 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2024-10-31 22:15:49,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2024-10-31 22:15:49,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2024-10-31 22:15:49,446 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) [2024-10-31 22:15:49,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2024-10-31 22:15:49,447 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 19 transitions. [2024-10-31 22:15:49,447 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2024-10-31 22:15:49,448 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:15:49,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2024-10-31 22:15:49,448 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-31 22:15:49,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:15:49,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:15:49,449 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 22:15:49,449 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:15:49,449 INFO L745 eck$LassoCheckResult]: Stem: 77#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 78#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; 79#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 69#L21 [2024-10-31 22:15:49,449 INFO L747 eck$LassoCheckResult]: Loop: 69#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 72#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; 68#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 69#L21 [2024-10-31 22:15:49,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:49,450 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-10-31 22:15:49,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:49,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589249827] [2024-10-31 22:15:49,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:49,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:49,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:49,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:49,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:49,465 INFO L85 PathProgramCache]: Analyzing trace with hash 45767, now seen corresponding path program 1 times [2024-10-31 22:15:49,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:49,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938645148] [2024-10-31 22:15:49,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:49,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:49,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:49,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:49,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:49,493 INFO L85 PathProgramCache]: Analyzing trace with hash 889694400, now seen corresponding path program 1 times [2024-10-31 22:15:49,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:49,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776553376] [2024-10-31 22:15:49,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:49,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:49,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:49,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:49,587 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:15:49,587 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:15:49,587 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:15:49,587 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:15:49,587 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:15:49,588 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:49,588 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:15:49,588 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:15:49,588 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration2_Loop [2024-10-31 22:15:49,588 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:15:49,588 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:15:49,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:49,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:49,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:49,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:49,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:49,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:49,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:49,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:49,707 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:15:49,707 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:15:49,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:49,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:49,713 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:49,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:15:49,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:49,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:49,742 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:49,743 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:15:49,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 22:15:49,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:49,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:49,765 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:49,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:15:49,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:49,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:49,787 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:49,787 INFO L401 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: [] [2024-10-31 22:15:49,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 22:15:49,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:49,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:49,809 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:49,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:15:49,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:49,812 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:49,837 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:49,837 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:15:49,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:49,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:49,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:49,858 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:49,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:15:49,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:49,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:49,879 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:49,880 INFO L401 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: [] [2024-10-31 22:15:49,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 22:15:49,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:49,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:49,899 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:49,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:15:49,902 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:49,903 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:49,928 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:49,929 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:15:49,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 22:15:49,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:49,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:49,949 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:49,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:15:49,952 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:49,953 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:49,979 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:49,980 INFO L401 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: [] [2024-10-31 22:15:49,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-31 22:15:49,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:49,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:50,001 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:50,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:15:50,007 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:50,007 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:50,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 22:15:50,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:50,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:50,046 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:50,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:15:50,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:15:50,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:50,152 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:15:50,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:50,155 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:15:50,156 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:15:50,156 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:15:50,156 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:15:50,156 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:15:50,156 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:50,156 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:15:50,156 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:15:50,156 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration2_Loop [2024-10-31 22:15:50,156 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:15:50,156 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:15:50,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,268 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:15:50,268 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:15:50,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:50,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:50,271 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:50,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:15:50,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:50,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:50,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:50,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:50,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:50,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:15:50,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:15:50,297 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:50,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-31 22:15:50,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:50,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:50,318 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:50,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:15:50,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:50,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:50,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:50,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:50,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:50,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:50,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:50,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:50,344 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:50,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:50,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:50,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:50,369 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:50,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:15:50,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:50,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:50,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:50,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:50,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:50,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:50,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:50,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:50,392 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:50,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:50,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:50,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:50,414 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:50,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:15:50,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:50,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:50,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:50,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:50,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:50,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:50,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:50,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:50,436 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:50,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-31 22:15:50,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:50,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:50,457 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:50,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:15:50,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:50,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:50,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:50,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:50,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:50,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:50,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:50,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:50,479 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:50,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:50,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:50,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:50,498 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:50,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 22:15:50,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:50,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:50,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:50,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:50,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:50,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:15:50,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:15:50,526 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:50,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:50,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:50,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:50,546 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:50,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:50,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 22:15:50,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:50,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:50,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:50,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:50,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:50,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:50,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:50,571 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:15:50,576 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:15:50,576 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 22:15:50,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:50,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:50,578 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:50,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 22:15:50,580 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:15:50,580 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:15:50,581 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:15:50,581 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-10-31 22:15:50,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:50,600 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:15:50,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:50,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:15:50,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:50,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:15:50,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:50,671 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:15:50,671 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) [2024-10-31 22:15:50,704 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. [2024-10-31 22:15:50,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 22:15:50,706 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) [2024-10-31 22:15:50,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2024-10-31 22:15:50,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 3 letters. [2024-10-31 22:15:50,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:50,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2024-10-31 22:15:50,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:50,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 6 letters. [2024-10-31 22:15:50,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:50,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 50 transitions. [2024-10-31 22:15:50,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:15:50,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 28 states and 43 transitions. [2024-10-31 22:15:50,715 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 22:15:50,715 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-31 22:15:50,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 43 transitions. [2024-10-31 22:15:50,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:15:50,716 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 43 transitions. [2024-10-31 22:15:50,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 43 transitions. [2024-10-31 22:15:50,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2024-10-31 22:15:50,719 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) [2024-10-31 22:15:50,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2024-10-31 22:15:50,720 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 39 transitions. [2024-10-31 22:15:50,720 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 39 transitions. [2024-10-31 22:15:50,720 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:15:50,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 39 transitions. [2024-10-31 22:15:50,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:15:50,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:15:50,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:15:50,721 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:15:50,721 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:15:50,721 INFO L745 eck$LassoCheckResult]: Stem: 163#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 164#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 165#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 169#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 158#L23 [2024-10-31 22:15:50,721 INFO L747 eck$LassoCheckResult]: Loop: 158#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; 153#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 154#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 158#L23 [2024-10-31 22:15:50,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:50,724 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-10-31 22:15:50,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:50,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912094262] [2024-10-31 22:15:50,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:50,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:50,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:50,733 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:50,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:50,733 INFO L85 PathProgramCache]: Analyzing trace with hash 50329, now seen corresponding path program 1 times [2024-10-31 22:15:50,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:50,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98265517] [2024-10-31 22:15:50,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:50,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:50,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:50,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:50,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:50,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1810724562, now seen corresponding path program 1 times [2024-10-31 22:15:50,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:50,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825060288] [2024-10-31 22:15:50,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:50,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:50,773 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:50,782 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:50,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:50,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-31 22:15:50,844 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:15:50,844 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:15:50,844 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:15:50,844 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:15:50,845 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:15:50,845 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:50,845 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:15:50,845 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:15:50,845 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration3_Loop [2024-10-31 22:15:50,845 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:15:50,845 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:15:50,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:50,933 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:15:50,933 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:15:50,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:50,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:50,935 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:50,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 22:15:50,939 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:50,939 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:50,963 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:50,963 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:15:50,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:50,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:50,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:50,983 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:50,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 22:15:50,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:50,986 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:51,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-31 22:15:51,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:51,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:51,019 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:51,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 22:15:51,021 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:15:51,021 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:51,117 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:15:51,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:51,122 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:15:51,122 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:15:51,122 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:15:51,122 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:15:51,122 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:15:51,123 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:51,123 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:15:51,123 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:15:51,123 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration3_Loop [2024-10-31 22:15:51,123 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:15:51,123 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:15:51,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,215 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:15:51,215 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:15:51,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:51,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:51,218 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:51,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 22:15:51,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:51,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:51,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:51,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:51,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:51,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:51,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:51,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:51,236 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:51,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:51,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:51,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:51,255 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:51,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 22:15:51,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:51,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:51,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:51,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:51,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:51,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:51,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:51,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:51,272 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:15:51,275 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:15:51,275 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 22:15:51,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:51,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:51,276 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:51,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 22:15:51,277 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:15:51,278 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:15:51,278 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:15:51,278 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2024-10-31 22:15:51,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:51,290 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:15:51,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:51,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:15:51,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:51,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:15:51,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:51,352 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:15:51,353 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) [2024-10-31 22:15:51,376 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. [2024-10-31 22:15:51,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 22:15:51,377 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) [2024-10-31 22:15:51,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-10-31 22:15:51,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 3 letters. [2024-10-31 22:15:51,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:51,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-31 22:15:51,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:51,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 6 letters. [2024-10-31 22:15:51,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:51,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 86 transitions. [2024-10-31 22:15:51,381 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 22:15:51,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 50 states and 79 transitions. [2024-10-31 22:15:51,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-31 22:15:51,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-10-31 22:15:51,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 79 transitions. [2024-10-31 22:15:51,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:15:51,383 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 79 transitions. [2024-10-31 22:15:51,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 79 transitions. [2024-10-31 22:15:51,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2024-10-31 22:15:51,386 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) [2024-10-31 22:15:51,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 77 transitions. [2024-10-31 22:15:51,387 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 77 transitions. [2024-10-31 22:15:51,387 INFO L425 stractBuchiCegarLoop]: Abstraction has 48 states and 77 transitions. [2024-10-31 22:15:51,388 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:15:51,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 77 transitions. [2024-10-31 22:15:51,389 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 22:15:51,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:15:51,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:15:51,389 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2024-10-31 22:15:51,390 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:15:51,390 INFO L745 eck$LassoCheckResult]: Stem: 290#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 291#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; 277#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 278#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_~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; 306#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;main_~x~0#1 := main_~x~0#1 - 1; 301#L23-2 [2024-10-31 22:15:51,390 INFO L747 eck$LassoCheckResult]: Loop: 301#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 302#L21 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 301#L23-2 [2024-10-31 22:15:51,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:51,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1810724560, now seen corresponding path program 1 times [2024-10-31 22:15:51,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:51,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903305890] [2024-10-31 22:15:51,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:51,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:51,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:51,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:51,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:51,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 2 times [2024-10-31 22:15:51,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:51,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393917758] [2024-10-31 22:15:51,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:51,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:51,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:51,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:51,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:51,422 INFO L85 PathProgramCache]: Analyzing trace with hash 644547635, now seen corresponding path program 2 times [2024-10-31 22:15:51,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:51,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783368127] [2024-10-31 22:15:51,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:51,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:51,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:51,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:51,467 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:15:51,467 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:15:51,467 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:15:51,467 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:15:51,467 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:15:51,467 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:51,468 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:15:51,468 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:15:51,468 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration4_Loop [2024-10-31 22:15:51,468 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:15:51,468 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:15:51,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,535 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:15:51,536 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:15:51,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:51,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:51,538 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:51,544 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:51,544 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:51,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 22:15:51,565 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:51,565 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:15:51,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:51,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:51,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:51,584 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:51,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 22:15:51,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:51,586 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:51,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-31 22:15:51,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:51,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:51,621 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:51,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 22:15:51,626 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:15:51,626 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:51,669 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:15:51,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-31 22:15:51,673 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:15:51,674 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:15:51,674 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:15:51,674 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:15:51,674 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:15:51,674 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:51,674 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:15:51,674 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:15:51,674 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration4_Loop [2024-10-31 22:15:51,674 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:15:51,674 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:15:51,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:51,763 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:15:51,765 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:15:51,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:51,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:51,767 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:51,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 22:15:51,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:51,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:51,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:51,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:51,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:51,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:51,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:51,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:51,792 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:15:51,795 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-31 22:15:51,795 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:15:51,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:51,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:51,798 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:51,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 22:15:51,800 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:15:51,800 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:15:51,800 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:15:51,800 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-31 22:15:51,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:51,818 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:15:51,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:51,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:15:51,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:51,861 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:15:51,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:51,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:51,881 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:15:51,881 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 77 transitions. cyclomatic complexity: 40 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) [2024-10-31 22:15:51,909 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 77 transitions. cyclomatic complexity: 40. 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 122 states and 186 transitions. Complement of second has 5 states. [2024-10-31 22:15:51,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:15:51,914 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) [2024-10-31 22:15:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-10-31 22:15:51,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2024-10-31 22:15:51,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:51,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2024-10-31 22:15:51,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:51,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2024-10-31 22:15:51,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:51,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 122 states and 186 transitions. [2024-10-31 22:15:51,918 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-31 22:15:51,921 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 122 states to 98 states and 154 transitions. [2024-10-31 22:15:51,921 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-10-31 22:15:51,922 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-10-31 22:15:51,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 154 transitions. [2024-10-31 22:15:51,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:15:51,922 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 154 transitions. [2024-10-31 22:15:51,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 154 transitions. [2024-10-31 22:15:51,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 85. [2024-10-31 22:15:51,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 85 states have (on average 1.6) internal successors, (136), 84 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:51,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 136 transitions. [2024-10-31 22:15:51,937 INFO L240 hiAutomatonCegarLoop]: Abstraction has 85 states and 136 transitions. [2024-10-31 22:15:51,937 INFO L425 stractBuchiCegarLoop]: Abstraction has 85 states and 136 transitions. [2024-10-31 22:15:51,938 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:15:51,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 85 states and 136 transitions. [2024-10-31 22:15:51,939 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2024-10-31 22:15:51,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:15:51,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:15:51,940 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2024-10-31 22:15:51,943 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:15:51,943 INFO L745 eck$LassoCheckResult]: Stem: 503#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 504#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 509#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 521#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 536#L23 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~y~0#1 := main_~y~0#1 - 1;havoc main_#t~nondet5#1;main_~z~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 552#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 550#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 510#L23 [2024-10-31 22:15:51,943 INFO L747 eck$LassoCheckResult]: Loop: 510#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; 511#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 541#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 510#L23 [2024-10-31 22:15:51,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:51,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1810722640, now seen corresponding path program 2 times [2024-10-31 22:15:51,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:51,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25012274] [2024-10-31 22:15:51,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:51,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:51,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:51,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:51,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:51,957 INFO L85 PathProgramCache]: Analyzing trace with hash 50329, now seen corresponding path program 2 times [2024-10-31 22:15:51,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:51,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717727183] [2024-10-31 22:15:51,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:51,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:51,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:51,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:51,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:51,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1551048982, now seen corresponding path program 1 times [2024-10-31 22:15:51,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:51,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166163877] [2024-10-31 22:15:51,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:51,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:51,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:51,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:52,024 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:15:52,025 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:15:52,025 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:15:52,025 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:15:52,025 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:15:52,025 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:52,025 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:15:52,025 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:15:52,025 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration5_Loop [2024-10-31 22:15:52,026 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:15:52,026 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:15:52,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,034 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,114 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:15:52,114 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:15:52,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:52,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:52,116 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:52,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 22:15:52,119 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:52,119 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:52,144 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:52,144 INFO L401 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: [] [2024-10-31 22:15:52,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:52,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:52,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:52,164 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:52,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 22:15:52,167 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:52,167 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:52,187 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:52,187 INFO L401 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: [] [2024-10-31 22:15:52,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:52,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:52,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:52,207 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:52,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 22:15:52,209 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:52,210 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:52,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:52,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:52,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:52,246 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:52,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 22:15:52,252 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:15:52,252 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:52,345 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:15:52,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-10-31 22:15:52,348 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:15:52,348 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:15:52,348 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:15:52,348 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:15:52,348 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:15:52,348 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:52,348 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:15:52,348 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:15:52,348 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration5_Loop [2024-10-31 22:15:52,348 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:15:52,348 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:15:52,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:52,446 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:15:52,446 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:15:52,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:52,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:52,448 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:52,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-31 22:15:52,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:52,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:52,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:52,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:52,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:52,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:52,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:52,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:52,472 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:52,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:52,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:52,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:52,493 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:52,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 22:15:52,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:52,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:52,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:52,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:52,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:52,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:52,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:52,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:52,513 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:52,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:52,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:52,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:52,535 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:52,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-31 22:15:52,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:52,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:52,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:52,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:52,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:52,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:52,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:52,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:52,555 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:52,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:52,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:52,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:52,576 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:52,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-31 22:15:52,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:52,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:52,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:52,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:52,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:52,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:15:52,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:15:52,604 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:52,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:52,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:52,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:52,624 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:52,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-31 22:15:52,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:52,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:52,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:52,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:52,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:52,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:52,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:52,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:52,645 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:15:52,650 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:15:52,650 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 22:15:52,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:52,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:52,653 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:52,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-31 22:15:52,655 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:15:52,655 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:15:52,655 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:15:52,655 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2024-10-31 22:15:52,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-10-31 22:15:52,675 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:15:52,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:52,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:15:52,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:52,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:15:52,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:52,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:52,756 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:15:52,757 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 85 states and 136 transitions. cyclomatic complexity: 71 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:52,787 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 85 states and 136 transitions. cyclomatic complexity: 71. 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 122 states and 188 transitions. Complement of second has 7 states. [2024-10-31 22:15:52,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 22:15:52,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:52,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-10-31 22:15:52,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-31 22:15:52,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:52,791 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:15:52,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:52,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:15:52,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:52,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:15:52,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:52,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:52,862 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:15:52,863 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 85 states and 136 transitions. cyclomatic complexity: 71 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:52,913 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 85 states and 136 transitions. cyclomatic complexity: 71. 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 112 states and 174 transitions. Complement of second has 7 states. [2024-10-31 22:15:52,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 22:15:52,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:52,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-10-31 22:15:52,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-31 22:15:52,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:52,915 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:15:52,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-31 22:15:52,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:52,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:15:52,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:52,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:15:52,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:52,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-10-31 22:15:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:52,979 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:15:52,980 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 85 states and 136 transitions. cyclomatic complexity: 71 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:52,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-31 22:15:53,004 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 85 states and 136 transitions. cyclomatic complexity: 71. 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 168 states and 260 transitions. Complement of second has 9 states. [2024-10-31 22:15:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 22:15:53,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-10-31 22:15:53,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-31 22:15:53,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:53,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 3 letters. [2024-10-31 22:15:53,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:53,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 7 letters. Loop has 6 letters. [2024-10-31 22:15:53,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:53,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 168 states and 260 transitions. [2024-10-31 22:15:53,016 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-31 22:15:53,017 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 168 states to 120 states and 186 transitions. [2024-10-31 22:15:53,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-10-31 22:15:53,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-10-31 22:15:53,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 186 transitions. [2024-10-31 22:15:53,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:15:53,018 INFO L218 hiAutomatonCegarLoop]: Abstraction has 120 states and 186 transitions. [2024-10-31 22:15:53,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 186 transitions. [2024-10-31 22:15:53,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 70. [2024-10-31 22:15:53,025 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) [2024-10-31 22:15:53,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 112 transitions. [2024-10-31 22:15:53,026 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 112 transitions. [2024-10-31 22:15:53,026 INFO L425 stractBuchiCegarLoop]: Abstraction has 70 states and 112 transitions. [2024-10-31 22:15:53,026 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 22:15:53,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 112 transitions. [2024-10-31 22:15:53,027 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-10-31 22:15:53,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:15:53,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:15:53,028 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1] [2024-10-31 22:15:53,028 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:15:53,028 INFO L745 eck$LassoCheckResult]: Stem: 1128#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 1129#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; 1115#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 1117#L21 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 1159#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 1132#L21 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;havoc main_#t~nondet4#1; 1131#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; 1157#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 1158#L21 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 1134#L23-2 [2024-10-31 22:15:53,028 INFO L747 eck$LassoCheckResult]: Loop: 1134#L23-2 assume !!((main_~x~0#1 > 0 && main_~y~0#1 > 0) && main_~z~0#1 > 0);havoc main_#t~nondet3#1; 1133#L21 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1; 1134#L23-2 [2024-10-31 22:15:53,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:53,029 INFO L85 PathProgramCache]: Analyzing trace with hash 578209805, now seen corresponding path program 3 times [2024-10-31 22:15:53,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:53,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809525856] [2024-10-31 22:15:53,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:53,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:53,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:53,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:53,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:53,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 3 times [2024-10-31 22:15:53,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:53,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363022456] [2024-10-31 22:15:53,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:53,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:53,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:53,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:53,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:53,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1608841776, now seen corresponding path program 4 times [2024-10-31 22:15:53,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:53,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713727757] [2024-10-31 22:15:53,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:53,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:53,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:53,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:53,141 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:15:53,141 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:15:53,141 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:15:53,141 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:15:53,141 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:15:53,141 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,141 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:15:53,141 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:15:53,142 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration6_Loop [2024-10-31 22:15:53,142 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:15:53,142 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:15:53,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:53,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:53,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:53,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:53,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:53,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:53,207 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:15:53,207 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:15:53,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:53,208 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:53,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-31 22:15:53,210 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:53,210 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:53,230 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:53,231 INFO L401 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: [] [2024-10-31 22:15:53,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-10-31 22:15:53,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:53,245 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:53,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-31 22:15:53,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:53,247 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:53,266 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:53,266 INFO L401 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: [] [2024-10-31 22:15:53,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-10-31 22:15:53,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:53,279 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:53,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-31 22:15:53,281 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:53,281 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:53,293 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:53,293 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:15:53,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-10-31 22:15:53,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:53,309 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:53,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-31 22:15:53,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:53,312 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:53,337 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:53,338 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:15:53,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-10-31 22:15:53,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:53,360 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:53,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-31 22:15:53,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:53,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:53,387 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:15:53,387 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:15:53,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:53,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:53,405 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:53,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-31 22:15:53,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:15:53,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:53,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:53,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:53,432 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:53,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-31 22:15:53,434 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:15:53,434 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:15:53,489 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:15:53,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-10-31 22:15:53,492 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:15:53,492 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:15:53,492 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:15:53,492 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:15:53,492 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:15:53,492 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,492 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:15:53,492 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:15:53,492 INFO L132 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-TACAS2013-Fig7b.c_Iteration6_Loop [2024-10-31 22:15:53,492 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:15:53,492 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:15:53,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:53,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:53,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:53,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:53,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:53,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:15:53,557 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:15:53,558 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:15:53,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:53,562 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:53,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-31 22:15:53,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:53,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:53,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:53,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:53,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:53,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:53,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:53,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:53,580 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:53,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:53,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:53,592 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:53,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-31 22:15:53,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:53,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:53,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:53,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:53,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:53,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:53,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:53,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:53,607 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:53,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:53,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:53,620 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:53,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-31 22:15:53,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:53,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:53,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:53,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:53,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:53,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:53,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:53,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:53,635 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:53,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-10-31 22:15:53,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:53,648 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:53,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-31 22:15:53,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:53,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:53,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:53,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:53,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:53,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:15:53,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:15:53,666 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:15:53,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-10-31 22:15:53,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:53,678 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:53,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-31 22:15:53,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:15:53,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:15:53,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:15:53,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:15:53,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:15:53,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:15:53,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:15:53,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:15:53,694 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:15:53,697 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:15:53,697 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 22:15:53,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:15:53,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:53,699 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:53,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-31 22:15:53,703 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:15:53,703 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:15:53,704 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:15:53,704 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-10-31 22:15:53,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:53,722 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:15:53,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:53,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:15:53,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:53,760 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:15:53,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:53,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:53,776 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:15:53,776 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) [2024-10-31 22:15:53,802 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. [2024-10-31 22:15:53,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:15:53,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:53,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-10-31 22:15:53,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2024-10-31 22:15:53,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:53,805 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:15:53,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:53,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:15:53,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:53,841 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:15:53,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:53,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:53,855 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:15:53,855 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) [2024-10-31 22:15:53,874 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. [2024-10-31 22:15:53,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:15:53,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:53,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-10-31 22:15:53,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2024-10-31 22:15:53,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:53,876 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:15:53,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:53,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:15:53,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:53,915 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:15:53,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:53,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:53,932 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:15:53,932 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) [2024-10-31 22:15:53,954 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. [2024-10-31 22:15:53,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:15:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2024-10-31 22:15:53,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2024-10-31 22:15:53,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:53,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2024-10-31 22:15:53,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:53,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2024-10-31 22:15:53,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:15:53,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 193 transitions. [2024-10-31 22:15:53,960 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:15:53,961 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 0 states and 0 transitions. [2024-10-31 22:15:53,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:15:53,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:15:53,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:15:53,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:15:53,961 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:15:53,961 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:15:53,962 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:15:53,962 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-31 22:15:53,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:15:53,962 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:15:53,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:15:53,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:15:53 BoogieIcfgContainer [2024-10-31 22:15:53,969 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:15:53,970 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:15:53,970 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:15:53,970 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:15:53,971 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:47" (3/4) ... [2024-10-31 22:15:53,973 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:15:53,974 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:15:53,975 INFO L158 Benchmark]: Toolchain (without parser) took 6861.78ms. Allocated memory is still 174.1MB. Free memory was 144.0MB in the beginning and 87.2MB in the end (delta: 56.9MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2024-10-31 22:15:53,975 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:15:53,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.89ms. Allocated memory is still 174.1MB. Free memory was 144.0MB in the beginning and 132.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:15:53,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.40ms. Allocated memory is still 174.1MB. Free memory was 132.7MB in the beginning and 131.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:15:53,977 INFO L158 Benchmark]: Boogie Preprocessor took 30.59ms. Allocated memory is still 174.1MB. Free memory was 131.2MB in the beginning and 129.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:15:53,977 INFO L158 Benchmark]: RCFGBuilder took 304.77ms. Allocated memory is still 174.1MB. Free memory was 129.9MB in the beginning and 121.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 22:15:53,977 INFO L158 Benchmark]: BuchiAutomizer took 6189.74ms. Allocated memory is still 174.1MB. Free memory was 121.2MB in the beginning and 87.2MB in the end (delta: 34.0MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2024-10-31 22:15:53,978 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 174.1MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:15:53,980 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.89ms. Allocated memory is still 174.1MB. Free memory was 144.0MB in the beginning and 132.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.40ms. Allocated memory is still 174.1MB. Free memory was 132.7MB in the beginning and 131.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.59ms. Allocated memory is still 174.1MB. Free memory was 131.2MB in the beginning and 129.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 304.77ms. Allocated memory is still 174.1MB. Free memory was 129.9MB in the beginning and 121.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 6189.74ms. Allocated memory is still 174.1MB. Free memory was 121.2MB in the beginning and 87.2MB in the end (delta: 34.0MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 174.1MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (0 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function x and consists of 4 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 6.1s and 7 iterations. TraceHistogramMax:3. Analysis of lassos took 4.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 70 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, 82 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 111 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 85 mSDtfsCounter, 82 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: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 18 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-31 22:15:54,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-10-31 22:15:54,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60da1770-ba14-411f-a524-6f7485a81473/bin/uautomizer-verify-4GaUIPS5ZU/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