./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8553bd7027647a5604588c30aa29c454809a172163824e055b8bdeea70d5613d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:55:48,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:55:48,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 04:55:48,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:55:48,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:55:48,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:55:48,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:55:48,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:55:48,978 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:55:48,978 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:55:48,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:55:48,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:55:48,979 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:55:48,980 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:55:48,980 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:55:48,980 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:55:48,982 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:55:48,982 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:55:48,982 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:55:48,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:55:48,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:55:48,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:55:48,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:55:48,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:55:48,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:55:48,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:55:48,983 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:55:48,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:55:48,983 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:55:48,983 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:55:48,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:55:48,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:55:48,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:55:48,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:55:48,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:55:48,985 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:55:48,986 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8553bd7027647a5604588c30aa29c454809a172163824e055b8bdeea70d5613d [2024-11-28 04:55:49,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:55:49,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:55:49,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:55:49,344 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:55:49,345 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:55:49,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1.c [2024-11-28 04:55:52,602 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/data/190beb2f5/18bb0cd8e4814b4c9eb4b73090fabb0a/FLAG90765c665 [2024-11-28 04:55:52,863 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:55:52,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1.c [2024-11-28 04:55:52,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/data/190beb2f5/18bb0cd8e4814b4c9eb4b73090fabb0a/FLAG90765c665 [2024-11-28 04:55:52,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/data/190beb2f5/18bb0cd8e4814b4c9eb4b73090fabb0a [2024-11-28 04:55:52,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:55:52,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:55:52,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:55:52,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:55:52,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:55:52,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:55:52" (1/1) ... [2024-11-28 04:55:52,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dceff16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:52, skipping insertion in model container [2024-11-28 04:55:52,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:55:52" (1/1) ... [2024-11-28 04:55:52,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:55:53,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:55:53,127 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:55:53,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:55:53,151 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:55:53,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53 WrapperNode [2024-11-28 04:55:53,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:55:53,153 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:55:53,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:55:53,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:55:53,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53" (1/1) ... [2024-11-28 04:55:53,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53" (1/1) ... [2024-11-28 04:55:53,177 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-28 04:55:53,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:55:53,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:55:53,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:55:53,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:55:53,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53" (1/1) ... [2024-11-28 04:55:53,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53" (1/1) ... [2024-11-28 04:55:53,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53" (1/1) ... [2024-11-28 04:55:53,195 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 04:55:53,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53" (1/1) ... [2024-11-28 04:55:53,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53" (1/1) ... [2024-11-28 04:55:53,198 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53" (1/1) ... [2024-11-28 04:55:53,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53" (1/1) ... [2024-11-28 04:55:53,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53" (1/1) ... [2024-11-28 04:55:53,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53" (1/1) ... [2024-11-28 04:55:53,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53" (1/1) ... [2024-11-28 04:55:53,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:55:53,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:55:53,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:55:53,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:55:53,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53" (1/1) ... [2024-11-28 04:55:53,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:53,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:53,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:53,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 04:55:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:55:53,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:55:53,363 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:55:53,365 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:55:53,437 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-28 04:55:53,437 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:55:53,449 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:55:53,449 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:55:53,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:53 BoogieIcfgContainer [2024-11-28 04:55:53,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:55:53,451 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 04:55:53,451 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 04:55:53,458 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 04:55:53,459 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:55:53,459 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 04:55:52" (1/3) ... [2024-11-28 04:55:53,461 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3de14920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:55:53, skipping insertion in model container [2024-11-28 04:55:53,461 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:55:53,461 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:55:53" (2/3) ... [2024-11-28 04:55:53,463 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3de14920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:55:53, skipping insertion in model container [2024-11-28 04:55:53,464 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:55:53,464 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:53" (3/3) ... [2024-11-28 04:55:53,465 INFO L363 chiAutomizerObserver]: Analyzing ICFG BradleyMannaSipma-CAV2005-Fig1.c [2024-11-28 04:55:53,529 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 04:55:53,529 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 04:55:53,529 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 04:55:53,529 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 04:55:53,529 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 04:55:53,529 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 04:55:53,530 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 04:55:53,530 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 04:55:53,534 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) [2024-11-28 04:55:53,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 04:55:53,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:55:53,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:55:53,553 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 04:55:53,553 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 04:55:53,553 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 04:55:53,553 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) [2024-11-28 04:55:53,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 04:55:53,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:55:53,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:55:53,555 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 04:55:53,555 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 04:55:53,562 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0;" [2024-11-28 04:55:53,562 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~y1~0#1 != main_~y2~0#1;" "assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1;" [2024-11-28 04:55:53,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:53,567 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-28 04:55:53,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:53,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558878267] [2024-11-28 04:55:53,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:53,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:53,654 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:53,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:53,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:53,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 1 times [2024-11-28 04:55:53,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:53,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699646412] [2024-11-28 04:55:53,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:53,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:53,693 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:53,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:53,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:53,700 INFO L85 PathProgramCache]: Analyzing trace with hash 28693896, now seen corresponding path program 1 times [2024-11-28 04:55:53,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:53,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390622551] [2024-11-28 04:55:53,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:53,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:53,708 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:53,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:53,839 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:55:53,840 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:55:53,840 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:55:53,841 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:55:53,841 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:55:53,841 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:53,843 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:55:53,843 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:55:53,843 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration1_Lasso [2024-11-28 04:55:53,843 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:55:53,843 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:55:53,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:53,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:53,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:53,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:53,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:53,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:54,045 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:55:54,047 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:55:54,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:54,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:54,053 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:54,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 04:55:54,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:54,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:54,088 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:55:54,088 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:55:54,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-28 04:55:54,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:54,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:54,101 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:54,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 04:55:54,105 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:54,105 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:54,122 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:55:54,122 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:55:54,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:54,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:54,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:54,135 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:54,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 04:55:54,145 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:54,145 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:54,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:54,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:54,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:54,194 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:54,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 04:55:54,199 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:55:54,199 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:54,365 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:55:54,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:54,370 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:55:54,370 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:55:54,370 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:55:54,370 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:55:54,370 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:55:54,370 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:54,370 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:55:54,371 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:55:54,371 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration1_Lasso [2024-11-28 04:55:54,371 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:55:54,371 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:55:54,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:54,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:54,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:54,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:54,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:54,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:54,512 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:55:54,517 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:55:54,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:54,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:54,522 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:54,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 04:55:54,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:54,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:54,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:54,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:54,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:54,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:55:54,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:55:54,569 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:54,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 04:55:54,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:54,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:54,589 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:54,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 04:55:54,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:54,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:54,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:54,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:54,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:54,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:55:54,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:55:54,640 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:55:54,659 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-28 04:55:54,662 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 04:55:54,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:54,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:54,673 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:54,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 04:55:54,677 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:55:54,694 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2024-11-28 04:55:54,694 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:55:54,695 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y1~0#1) = 1*ULTIMATE.start_main_~y1~0#1 Supporting invariants [1*ULTIMATE.start_main_~y2~0#1 - 1 >= 0, 2*ULTIMATE.start_main_~y1~0#1 - 1 >= 0] [2024-11-28 04:55:54,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:54,719 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-28 04:55:54,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:54,802 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:55:54,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:54,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 04:55:54,845 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:55:54,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:54,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:55:54,901 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-28 04:55:54,903 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:54,979 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 29 transitions. Complement of second has 6 states. [2024-11-28 04:55:54,981 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 [2024-11-28 04:55:54,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-28 04:55:54,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-28 04:55:54,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:54,998 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-28 04:55:54,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:54,999 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-28 04:55:54,999 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:54,999 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2024-11-28 04:55:55,002 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 04:55:55,005 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 9 states and 12 transitions. [2024-11-28 04:55:55,006 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-28 04:55:55,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-28 04:55:55,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-11-28 04:55:55,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:55:55,008 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-28 04:55:55,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-11-28 04:55:55,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-28 04:55:55,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) 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) [2024-11-28 04:55:55,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2024-11-28 04:55:55,033 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-28 04:55:55,033 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-28 04:55:55,033 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 04:55:55,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2024-11-28 04:55:55,033 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 04:55:55,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:55:55,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:55:55,035 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 04:55:55,035 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 04:55:55,036 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0;" "assume main_~y1~0#1 != main_~y2~0#1;" "assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1;" [2024-11-28 04:55:55,036 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~y1~0#1 != main_~y2~0#1;" "assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1;" [2024-11-28 04:55:55,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:55,037 INFO L85 PathProgramCache]: Analyzing trace with hash 28693898, now seen corresponding path program 1 times [2024-11-28 04:55:55,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:55,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489024869] [2024-11-28 04:55:55,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:55,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:55,047 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:55,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:55,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:55,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 2 times [2024-11-28 04:55:55,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:55,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450630865] [2024-11-28 04:55:55,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:55,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:55,057 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:55,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:55,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:55,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1805032560, now seen corresponding path program 1 times [2024-11-28 04:55:55,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:55,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761185327] [2024-11-28 04:55:55,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:55,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:55,068 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:55,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:55,154 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:55:55,154 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:55:55,154 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:55:55,154 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:55:55,154 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:55:55,154 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:55,154 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:55:55,154 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:55:55,154 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration2_Lasso [2024-11-28 04:55:55,154 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:55:55,154 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:55:55,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:55,160 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:55,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:55,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:55,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:55,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:55,266 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:55:55,266 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:55:55,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:55,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:55,268 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:55,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 04:55:55,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:55,273 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:55,300 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:55:55,303 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:55:55,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-28 04:55:55,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:55,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:55,319 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:55,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 04:55:55,324 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:55,324 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:55,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 04:55:55,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:55,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:55,367 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:55,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 04:55:55,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:55:55,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:55,534 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:55:55,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 04:55:55,538 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:55:55,538 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:55:55,538 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:55:55,538 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:55:55,539 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:55:55,539 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:55,539 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:55:55,539 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:55:55,539 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration2_Lasso [2024-11-28 04:55:55,539 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:55:55,539 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:55:55,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:55,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:55,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:55,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:55,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:55,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:55,678 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:55:55,679 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:55:55,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:55,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:55,681 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:55,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 04:55:55,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:55,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:55,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:55,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:55,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:55,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:55:55,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:55:55,711 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:55,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 04:55:55,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:55,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:55,723 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:55,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 04:55:55,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:55,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:55,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:55:55,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:55,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:55,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:55,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:55:55,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:55:55,746 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:55,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-28 04:55:55,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:55,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:55,755 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:55,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 04:55:55,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:55,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:55,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:55:55,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:55,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:55,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:55,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:55:55,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:55:55,771 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:55,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 04:55:55,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:55,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:55,782 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:55,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 04:55:55,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:55,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:55,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:55,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:55,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:55,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:55:55,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:55:55,807 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:55,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 04:55:55,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:55,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:55,819 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:55,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:55,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 04:55:55,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:55,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:55:55,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:55,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:55,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:55,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:55:55,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:55:55,842 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:55,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:55,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:55,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:55,855 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:55,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 04:55:55,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:55,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:55,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:55,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:55,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:55,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:55:55,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:55:55,894 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:55:55,909 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-28 04:55:55,909 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 04:55:55,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:55,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:55,914 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:55,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 04:55:55,918 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:55:55,936 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-28 04:55:55,936 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:55:55,936 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y1~0#1, ULTIMATE.start_main_~y2~0#1) = 1*ULTIMATE.start_main_~y1~0#1 - 1*ULTIMATE.start_main_~y2~0#1 Supporting invariants [1*ULTIMATE.start_main_~y2~0#1 - 1 >= 0] [2024-11-28 04:55:55,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:55,956 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-28 04:55:56,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:56,019 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:55:56,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:56,068 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:55:56,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:56,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:55:56,089 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-28 04:55:56,089 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 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) [2024-11-28 04:55:56,148 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. 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 13 states and 18 transitions. Complement of second has 6 states. [2024-11-28 04:55:56,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 04:55:56,150 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) [2024-11-28 04:55:56,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-28 04:55:56,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-28 04:55:56,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:56,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-28 04:55:56,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:56,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-28 04:55:56,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:56,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2024-11-28 04:55:56,152 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 04:55:56,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2024-11-28 04:55:56,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-28 04:55:56,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-28 04:55:56,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2024-11-28 04:55:56,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:55:56,155 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-11-28 04:55:56,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2024-11-28 04:55:56,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-28 04:55:56,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:56,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2024-11-28 04:55:56,158 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-11-28 04:55:56,158 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-11-28 04:55:56,158 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 04:55:56,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2024-11-28 04:55:56,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-28 04:55:56,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:55:56,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:55:56,160 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2024-11-28 04:55:56,160 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 04:55:56,161 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0;" "assume main_~y1~0#1 != main_~y2~0#1;" "assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1;" "assume main_~y1~0#1 != main_~y2~0#1;" "assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1;" [2024-11-28 04:55:56,161 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~y1~0#1 != main_~y2~0#1;" "assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1;" [2024-11-28 04:55:56,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:56,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1805032562, now seen corresponding path program 2 times [2024-11-28 04:55:56,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:56,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413563071] [2024-11-28 04:55:56,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:56,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:56,174 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:56,191 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:56,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:56,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 3 times [2024-11-28 04:55:56,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:56,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907759874] [2024-11-28 04:55:56,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:56,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:56,201 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:56,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:56,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:56,206 INFO L85 PathProgramCache]: Analyzing trace with hash -530495144, now seen corresponding path program 2 times [2024-11-28 04:55:56,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:56,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494600480] [2024-11-28 04:55:56,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:56,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:56,216 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:56,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:56,327 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:55:56,328 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:55:56,328 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:55:56,328 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:55:56,328 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:55:56,328 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:56,328 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:55:56,328 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:55:56,328 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration3_Lasso [2024-11-28 04:55:56,328 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:55:56,328 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:55:56,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:56,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:56,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:56,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:56,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:56,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:56,450 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:55:56,450 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:55:56,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:56,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:56,486 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:56,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:56,491 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:56,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 04:55:56,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:56,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:56,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:56,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:56,528 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:56,533 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:55:56,533 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:56,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 04:55:56,668 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:55:56,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 04:55:56,671 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:55:56,671 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:55:56,671 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:55:56,671 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:55:56,671 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:55:56,672 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:56,672 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:55:56,672 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:55:56,672 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration3_Lasso [2024-11-28 04:55:56,672 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:55:56,672 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:55:56,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:56,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:56,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:56,692 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:56,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:56,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:56,773 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:55:56,773 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:55:56,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:56,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:56,776 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:56,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 04:55:56,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:56,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:56,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:56,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:56,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:56,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:55:56,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:55:56,816 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:55:56,825 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-28 04:55:56,825 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 04:55:56,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:56,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:56,828 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:56,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 04:55:56,834 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:55:56,849 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-28 04:55:56,850 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:55:56,850 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y1~0#1, ULTIMATE.start_main_~y2~0#1) = 1*ULTIMATE.start_main_~y1~0#1 - 1*ULTIMATE.start_main_~y2~0#1 Supporting invariants [1*ULTIMATE.start_main_~y2~0#1 - 1 >= 0] [2024-11-28 04:55:56,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:56,864 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-28 04:55:56,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:56,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:55:56,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:56,974 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:55:56,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:55:56,992 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-28 04:55:56,992 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:57,036 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. 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 15 states and 22 transitions. Complement of second has 6 states. [2024-11-28 04:55:57,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 04:55:57,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:57,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-28 04:55:57,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-28 04:55:57,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:57,040 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 04:55:57,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:57,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:55:57,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:57,112 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:55:57,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:57,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:55:57,127 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-28 04:55:57,127 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:57,160 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. 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 15 states and 22 transitions. Complement of second has 6 states. [2024-11-28 04:55:57,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 04:55:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-28 04:55:57,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-28 04:55:57,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:57,162 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 04:55:57,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:57,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:55:57,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:57,232 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:55:57,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:55:57,248 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-28 04:55:57,248 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:57,290 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. 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 17 states and 25 transitions. Complement of second has 5 states. [2024-11-28 04:55:57,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 04:55:57,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:57,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2024-11-28 04:55:57,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-28 04:55:57,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:57,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-28 04:55:57,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:57,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-28 04:55:57,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:57,292 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 25 transitions. [2024-11-28 04:55:57,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 04:55:57,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 21 transitions. [2024-11-28 04:55:57,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-28 04:55:57,293 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-28 04:55:57,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2024-11-28 04:55:57,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:55:57,294 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2024-11-28 04:55:57,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2024-11-28 04:55:57,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 7. [2024-11-28 04:55:57,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:57,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2024-11-28 04:55:57,296 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-11-28 04:55:57,296 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-11-28 04:55:57,296 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 04:55:57,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2024-11-28 04:55:57,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 04:55:57,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:55:57,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:55:57,297 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 04:55:57,297 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 04:55:57,297 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0;" [2024-11-28 04:55:57,297 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~y1~0#1 != main_~y2~0#1;" "assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1;" [2024-11-28 04:55:57,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:57,298 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 2 times [2024-11-28 04:55:57,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:57,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125350291] [2024-11-28 04:55:57,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:57,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:57,301 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:57,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:57,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:57,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1321, now seen corresponding path program 1 times [2024-11-28 04:55:57,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:57,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722299996] [2024-11-28 04:55:57,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:57,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:57,310 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:57,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:57,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:57,314 INFO L85 PathProgramCache]: Analyzing trace with hash 28693898, now seen corresponding path program 3 times [2024-11-28 04:55:57,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:57,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879174270] [2024-11-28 04:55:57,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:57,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:57,319 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:57,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:57,372 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:55:57,372 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:55:57,372 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:55:57,372 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:55:57,372 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:55:57,372 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:57,372 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:55:57,372 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:55:57,372 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration4_Lasso [2024-11-28 04:55:57,373 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:55:57,373 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:55:57,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:57,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:57,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:57,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:57,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:57,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:57,459 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:55:57,459 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:55:57,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:57,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:57,464 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:57,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 04:55:57,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:57,467 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:57,481 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:55:57,482 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:55:57,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:57,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:57,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:57,495 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:57,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 04:55:57,498 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:57,498 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:57,516 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:55:57,516 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:55:57,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:57,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:57,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:57,524 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:57,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 04:55:57,526 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:57,526 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:57,538 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:55:57,538 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:55:57,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-28 04:55:57,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:57,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:57,546 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:57,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 04:55:57,549 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:57,549 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:57,560 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:55:57,560 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:55:57,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-28 04:55:57,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:57,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:57,569 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:57,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 04:55:57,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:57,573 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:57,592 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:55:57,593 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:55:57,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:57,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:57,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:57,601 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:57,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 04:55:57,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:57,603 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:57,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-28 04:55:57,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:57,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:57,630 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:57,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 04:55:57,632 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:55:57,632 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:57,744 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:55:57,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-28 04:55:57,748 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:55:57,748 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:55:57,748 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:55:57,748 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:55:57,748 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:55:57,748 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:57,748 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:55:57,748 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:55:57,748 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration4_Lasso [2024-11-28 04:55:57,748 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:55:57,748 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:55:57,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:57,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:57,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:57,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:57,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:57,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:57,822 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:55:57,823 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:55:57,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:57,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:57,827 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:57,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-28 04:55:57,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:57,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:57,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:55:57,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:57,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:57,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:57,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:55:57,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:55:57,850 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:57,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:57,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:57,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:57,862 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:57,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 04:55:57,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:57,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:57,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:57,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:57,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:57,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:55:57,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:55:57,886 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:57,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:57,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:57,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:57,898 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:57,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-28 04:55:57,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:57,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:57,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:57,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:57,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:57,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:55:57,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:55:57,927 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:55:57,936 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-28 04:55:57,936 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 04:55:57,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:57,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:57,938 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:57,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-28 04:55:57,940 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:55:57,952 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-28 04:55:57,952 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:55:57,953 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y2~0#1, ULTIMATE.start_main_~y1~0#1) = 1*ULTIMATE.start_main_~y2~0#1 - 1*ULTIMATE.start_main_~y1~0#1 Supporting invariants [1*ULTIMATE.start_main_~y1~0#1 - 1 >= 0] [2024-11-28 04:55:57,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:57,963 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-28 04:55:57,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:58,000 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:55:58,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:58,011 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:55:58,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:58,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-28 04:55:58,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:55:58,050 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-28 04:55:58,050 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:58,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-28 04:55:58,084 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 19 transitions. Complement of second has 5 states. [2024-11-28 04:55:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 04:55:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:58,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2024-11-28 04:55:58,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-28 04:55:58,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:58,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-28 04:55:58,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:58,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-28 04:55:58,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:58,086 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 19 transitions. [2024-11-28 04:55:58,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 04:55:58,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 11 states and 15 transitions. [2024-11-28 04:55:58,087 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-28 04:55:58,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-28 04:55:58,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2024-11-28 04:55:58,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:55:58,087 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2024-11-28 04:55:58,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2024-11-28 04:55:58,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2024-11-28 04:55:58,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:55:58,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2024-11-28 04:55:58,089 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 14 transitions. [2024-11-28 04:55:58,089 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2024-11-28 04:55:58,089 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 04:55:58,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. [2024-11-28 04:55:58,090 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 04:55:58,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:55:58,090 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:55:58,091 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2024-11-28 04:55:58,091 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 04:55:58,091 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0;" "assume main_~y1~0#1 != main_~y2~0#1;" "assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1;" "assume main_~y1~0#1 != main_~y2~0#1;" [2024-11-28 04:55:58,092 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1;" "assume main_~y1~0#1 != main_~y2~0#1;" [2024-11-28 04:55:58,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:58,092 INFO L85 PathProgramCache]: Analyzing trace with hash 889510787, now seen corresponding path program 2 times [2024-11-28 04:55:58,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:58,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693896755] [2024-11-28 04:55:58,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:58,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:58,097 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:58,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:58,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:58,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1561, now seen corresponding path program 2 times [2024-11-28 04:55:58,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:58,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114777206] [2024-11-28 04:55:58,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:58,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:58,106 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:58,109 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:58,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:58,109 INFO L85 PathProgramCache]: Analyzing trace with hash 121375003, now seen corresponding path program 3 times [2024-11-28 04:55:58,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:58,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431523870] [2024-11-28 04:55:58,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:58,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:58,115 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:58,121 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:58,176 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:55:58,177 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:55:58,177 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:55:58,177 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:55:58,177 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:55:58,177 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:58,177 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:55:58,177 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:55:58,177 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration5_Lasso [2024-11-28 04:55:58,177 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:55:58,177 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:55:58,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:58,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:58,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:58,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:58,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:58,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:58,305 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:55:58,305 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:55:58,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:58,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:58,308 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:58,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-28 04:55:58,311 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:58,311 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:58,324 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:55:58,324 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:55:58,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-28 04:55:58,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:58,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:58,336 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:58,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-28 04:55:58,338 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:58,338 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:58,356 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:55:58,356 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_9=0} Honda state: {v_rep~unnamed0~0~false_9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:55:58,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-28 04:55:58,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:58,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:58,364 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:58,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-28 04:55:58,366 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:58,366 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:58,378 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:55:58,378 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:55:58,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-28 04:55:58,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:58,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:58,387 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:58,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-28 04:55:58,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:58,390 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:58,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-28 04:55:58,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:58,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:58,419 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:58,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-28 04:55:58,422 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:55:58,422 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:58,642 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:55:58,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-28 04:55:58,647 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:55:58,647 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:55:58,647 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:55:58,647 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:55:58,647 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:55:58,647 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:58,647 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:55:58,647 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:55:58,647 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration5_Lasso [2024-11-28 04:55:58,648 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:55:58,648 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:55:58,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:58,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:58,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:58,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:58,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:58,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:58,763 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:55:58,763 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:55:58,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:58,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:58,765 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:58,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-28 04:55:58,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:58,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:58,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:55:58,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:58,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:58,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:58,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:55:58,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:55:58,785 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:58,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-28 04:55:58,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:58,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:58,797 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:58,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-28 04:55:58,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:58,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:58,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:58,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:58,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:58,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:55:58,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:55:58,826 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:58,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:58,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:58,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:58,840 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:58,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-28 04:55:58,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:58,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:58,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:58,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:58,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:58,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:55:58,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:55:58,871 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:58,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:58,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:58,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:58,887 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:58,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:58,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-28 04:55:58,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:58,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:55:58,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:58,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:58,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:58,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:55:58,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:55:58,909 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:58,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:58,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:58,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:58,919 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:58,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-28 04:55:58,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:58,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:58,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:55:58,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:55:58,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:55:58,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:58,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:55:58,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:55:58,936 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:55:58,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:58,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:58,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:58,945 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:58,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-28 04:55:58,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:55:58,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:55:58,960 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-28 04:55:58,960 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-28 04:55:58,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:55:58,972 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2024-11-28 04:55:58,972 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 04:55:58,998 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:55:59,023 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-28 04:55:59,024 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-28 04:55:59,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:59,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:59,026 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:59,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-28 04:55:59,029 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:55:59,048 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 4. [2024-11-28 04:55:59,048 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:55:59,048 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y1~0#1, ULTIMATE.start_main_~y2~0#1) = -2*ULTIMATE.start_main_~y1~0#1 + 3*ULTIMATE.start_main_~y2~0#1 Supporting invariants [1*ULTIMATE.start_main_~y1~0#1 - 1 >= 0, 1*ULTIMATE.start_main_~y2~0#1 >= 0] [2024-11-28 04:55:59,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-28 04:55:59,068 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2024-11-28 04:55:59,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:59,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:55:59,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:59,150 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:55:59,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:55:59,184 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-28 04:55:59,184 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2024-11-28 04:55:59,220 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 15 states and 19 transitions. Complement of second has 6 states. [2024-11-28 04:55:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 04:55:59,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2024-11-28 04:55:59,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2024-11-28 04:55:59,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-28 04:55:59,225 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:59,225 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 04:55:59,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:59,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:55:59,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:59,284 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:55:59,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:59,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:55:59,318 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-28 04:55:59,318 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2024-11-28 04:55:59,368 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 12 states and 16 transitions. Complement of second has 6 states. [2024-11-28 04:55:59,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 04:55:59,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2024-11-28 04:55:59,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2024-11-28 04:55:59,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-28 04:55:59,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:59,370 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 04:55:59,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:59,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:55:59,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:55:59,441 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:55:59,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:55:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:55:59,472 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-28 04:55:59,472 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2024-11-28 04:55:59,512 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 18 states and 22 transitions. Complement of second has 5 states. [2024-11-28 04:55:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 04:55:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2024-11-28 04:55:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-28 04:55:59,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-28 04:55:59,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:59,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-28 04:55:59,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:59,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-28 04:55:59,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:55:59,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2024-11-28 04:55:59,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-11-28 04:55:59,518 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 14 states and 18 transitions. [2024-11-28 04:55:59,518 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-28 04:55:59,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-11-28 04:55:59,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2024-11-28 04:55:59,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:55:59,518 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-28 04:55:59,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2024-11-28 04:55:59,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 9. [2024-11-28 04:55:59,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) 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) [2024-11-28 04:55:59,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2024-11-28 04:55:59,521 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-28 04:55:59,521 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-28 04:55:59,521 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 04:55:59,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2024-11-28 04:55:59,522 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 04:55:59,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:55:59,522 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:55:59,522 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2024-11-28 04:55:59,522 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2024-11-28 04:55:59,522 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~y1~0#1, main_~y2~0#1;havoc main_~y1~0#1;havoc main_~y2~0#1;havoc main_#t~nondet0#1;main_~y1~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y2~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume main_~y1~0#1 > 0 && main_~y2~0#1 > 0;" "assume main_~y1~0#1 != main_~y2~0#1;" "assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1;" "assume main_~y1~0#1 != main_~y2~0#1;" [2024-11-28 04:55:59,522 INFO L749 eck$LassoCheckResult]: Loop: "assume !(main_~y1~0#1 > main_~y2~0#1);main_~y2~0#1 := main_~y2~0#1 - main_~y1~0#1;" "assume main_~y1~0#1 != main_~y2~0#1;" "assume main_~y1~0#1 > main_~y2~0#1;main_~y1~0#1 := main_~y1~0#1 - main_~y2~0#1;" "assume main_~y1~0#1 != main_~y2~0#1;" [2024-11-28 04:55:59,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:59,523 INFO L85 PathProgramCache]: Analyzing trace with hash 889510787, now seen corresponding path program 3 times [2024-11-28 04:55:59,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:59,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295026990] [2024-11-28 04:55:59,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:59,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:59,534 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:59,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:59,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:59,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1500659, now seen corresponding path program 1 times [2024-11-28 04:55:59,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:59,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963078832] [2024-11-28 04:55:59,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:59,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:59,543 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:59,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:59,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:55:59,547 INFO L85 PathProgramCache]: Analyzing trace with hash 677261429, now seen corresponding path program 4 times [2024-11-28 04:55:59,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:55:59,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946769695] [2024-11-28 04:55:59,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:55:59,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:55:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:59,553 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:55:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:55:59,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:55:59,617 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:55:59,618 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:55:59,618 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:55:59,618 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:55:59,618 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 04:55:59,618 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:59,618 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:55:59,618 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:55:59,618 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration6_Loop [2024-11-28 04:55:59,618 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:55:59,618 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:55:59,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:59,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:59,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:55:59,755 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:55:59,756 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 04:55:59,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:59,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:59,758 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:59,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-28 04:55:59,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:59,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:59,787 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:55:59,788 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:55:59,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-28 04:55:59,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:59,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:59,799 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:59,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-28 04:55:59,803 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:59,803 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:59,825 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-28 04:55:59,825 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-28 04:55:59,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-28 04:55:59,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:59,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:59,838 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:59,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-28 04:55:59,841 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 04:55:59,841 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:55:59,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-28 04:55:59,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:55:59,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:55:59,869 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:55:59,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-28 04:55:59,872 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 04:55:59,872 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 04:56:00,174 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 04:56:00,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-11-28 04:56:00,180 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:56:00,181 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:56:00,181 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:56:00,181 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:56:00,181 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:56:00,181 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:56:00,181 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:56:00,181 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:56:00,181 INFO L132 ssoRankerPreferences]: Filename of dumped script: BradleyMannaSipma-CAV2005-Fig1.c_Iteration6_Loop [2024-11-28 04:56:00,181 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:56:00,181 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:56:00,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:56:00,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:56:00,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:56:00,334 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:56:00,334 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:56:00,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:56:00,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:56:00,339 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:56:00,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-28 04:56:00,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:56:00,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:56:00,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:56:00,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:56:00,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:56:00,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:56:00,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:56:00,362 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:56:00,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-28 04:56:00,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:56:00,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:56:00,372 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:56:00,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-28 04:56:00,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:56:00,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:56:00,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:56:00,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:56:00,387 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-28 04:56:00,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:56:00,389 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-11-28 04:56:00,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:56:00,395 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:56:00,400 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 04:56:00,400 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-28 04:56:00,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:56:00,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:56:00,404 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:56:00,409 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:56:00,410 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 04:56:00,410 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:56:00,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-28 04:56:00,410 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y2~0#1) = 1*ULTIMATE.start_main_~y2~0#1 Supporting invariants [] [2024-11-28 04:56:00,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-28 04:56:00,419 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 04:56:00,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:56:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:56:00,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:56:00,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:56:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:56:00,460 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:56:00,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:56:00,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:56:00,508 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 04:56:00,509 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:56:00,537 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 42 transitions. Complement of second has 6 states. [2024-11-28 04:56:00,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 04:56:00,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:56:00,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-28 04:56:00,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-28 04:56:00,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:56:00,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-28 04:56:00,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:56:00,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-28 04:56:00,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:56:00,542 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 42 transitions. [2024-11-28 04:56:00,543 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:56:00,546 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2024-11-28 04:56:00,546 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 04:56:00,547 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 04:56:00,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 04:56:00,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:56:00,547 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:56:00,547 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:56:00,547 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:56:00,547 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-28 04:56:00,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:56:00,547 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:56:00,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 04:56:00,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 04:56:00 BoogieIcfgContainer [2024-11-28 04:56:00,558 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 04:56:00,559 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:56:00,559 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:56:00,559 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:56:00,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:55:53" (3/4) ... [2024-11-28 04:56:00,565 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:56:00,566 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:56:00,567 INFO L158 Benchmark]: Toolchain (without parser) took 7650.39ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 93.8MB in the beginning and 225.7MB in the end (delta: -131.9MB). Peak memory consumption was 98.2MB. Max. memory is 16.1GB. [2024-11-28 04:56:00,567 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:56:00,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.52ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 83.8MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:56:00,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.86ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 82.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:56:00,568 INFO L158 Benchmark]: Boogie Preprocessor took 33.25ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 82.0MB in the end (delta: 759.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:56:00,568 INFO L158 Benchmark]: RCFGBuilder took 237.59ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 73.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:56:00,569 INFO L158 Benchmark]: BuchiAutomizer took 7107.66ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 73.2MB in the beginning and 225.7MB in the end (delta: -152.5MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2024-11-28 04:56:00,569 INFO L158 Benchmark]: Witness Printer took 7.46ms. Allocated memory is still 352.3MB. Free memory was 225.7MB in the beginning and 225.7MB in the end (delta: 18.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:56:00,572 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.52ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 83.8MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.86ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 82.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.25ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 82.0MB in the end (delta: 759.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 237.59ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 73.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 7107.66ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 73.2MB in the beginning and 225.7MB in the end (delta: -152.5MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. * Witness Printer took 7.46ms. Allocated memory is still 352.3MB. Free memory was 225.7MB in the beginning and 225.7MB in the end (delta: 18.0kB). 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 y1 and consists of 4 locations. One deterministic module has affine ranking function (y1 + ((long) -1 * y2)) and consists of 4 locations. One deterministic module has affine ranking function (y2 + ((long) -1 * y1)) and consists of 3 locations. One deterministic module has affine ranking function y2 and consists of 4 locations. One nondeterministic module has affine ranking function (y1 + ((long) -1 * y2)) and consists of 4 locations. One nondeterministic module has affine ranking function (((long) -2 * y1) + ((long) 3 * y2)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.0s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 5.3s. Construction of modules took 0.1s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 3 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: 0/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 39 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax155 hnf100 lsp64 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq149 hnf96 smp86 dnf120 smp96 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 104ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.7s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 04:56:00,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-11-28 04:56:00,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-28 04:56:00,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dacee29-960a-47fd-89d0-7f739b56efc5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE