./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl --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 b39ec4b52f8da315ff57d8e97152c727a55203720ed4bc216d0daa6b94e35d48 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:29:24,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:29:24,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-12 02:29:24,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:29:24,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:29:24,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:29:24,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:29:24,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:29:24,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:29:24,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:29:24,612 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:29:24,613 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:29:24,613 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:29:24,615 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:29:24,615 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:29:24,616 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:29:24,616 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:29:24,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:29:24,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:29:24,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:29:24,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:29:24,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:29:24,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:29:24,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:29:24,621 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:29:24,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:29:24,622 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:29:24,623 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:29:24,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:29:24,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:29:24,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:29:24,626 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:29:24,626 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:29:24,627 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b39ec4b52f8da315ff57d8e97152c727a55203720ed4bc216d0daa6b94e35d48 [2023-11-12 02:29:24,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:29:24,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:29:24,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:29:24,987 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:29:24,988 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:29:24,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2023-11-12 02:29:28,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:29:28,485 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:29:28,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2023-11-12 02:29:28,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/data/375e162eb/eb53089f72024181bbb4f920f3041b47/FLAG17c37e02c [2023-11-12 02:29:28,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/data/375e162eb/eb53089f72024181bbb4f920f3041b47 [2023-11-12 02:29:28,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:29:28,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:29:28,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:29:28,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:29:28,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:29:28,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:29:28" (1/1) ... [2023-11-12 02:29:28,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180df30a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:28, skipping insertion in model container [2023-11-12 02:29:28,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:29:28" (1/1) ... [2023-11-12 02:29:28,548 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:29:28,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:29:28,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:29:28,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:29:28,713 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:29:28,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:28 WrapperNode [2023-11-12 02:29:28,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:29:28,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:29:28,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:29:28,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:29:28,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:28" (1/1) ... [2023-11-12 02:29:28,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:28" (1/1) ... [2023-11-12 02:29:28,746 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-11-12 02:29:28,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:29:28,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:29:28,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:29:28,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:29:28,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:28" (1/1) ... [2023-11-12 02:29:28,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:28" (1/1) ... [2023-11-12 02:29:28,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:28" (1/1) ... [2023-11-12 02:29:28,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:28" (1/1) ... [2023-11-12 02:29:28,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:28" (1/1) ... [2023-11-12 02:29:28,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:28" (1/1) ... [2023-11-12 02:29:28,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:28" (1/1) ... [2023-11-12 02:29:28,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:28" (1/1) ... [2023-11-12 02:29:28,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:29:28,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:29:28,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:29:28,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:29:28,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:28" (1/1) ... [2023-11-12 02:29:28,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:28,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:28,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:28,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:29:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:29:28,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:29:28,959 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:29:28,962 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:29:29,111 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:29:29,120 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:29:29,133 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:29:29,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:29 BoogieIcfgContainer [2023-11-12 02:29:29,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:29:29,137 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:29:29,137 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:29:29,141 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:29:29,144 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:29:29,144 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:29:28" (1/3) ... [2023-11-12 02:29:29,146 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@425b5502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:29:29, skipping insertion in model container [2023-11-12 02:29:29,147 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:29:29,147 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:28" (2/3) ... [2023-11-12 02:29:29,147 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@425b5502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:29:29, skipping insertion in model container [2023-11-12 02:29:29,148 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:29:29,148 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:29" (3/3) ... [2023-11-12 02:29:29,150 INFO L332 chiAutomizerObserver]: Analyzing ICFG 4NestedWith3Variables-1.c [2023-11-12 02:29:29,249 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:29:29,249 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:29:29,250 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:29:29,250 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:29:29,250 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:29:29,250 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:29:29,252 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:29:29,253 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:29:29,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) 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) [2023-11-12 02:29:29,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-12 02:29:29,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:29,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:29,286 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-12 02:29:29,286 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-12 02:29:29,286 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:29:29,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) 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) [2023-11-12 02:29:29,289 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-12 02:29:29,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:29,290 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:29,291 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-12 02:29:29,291 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-12 02:29:29,300 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~a~0#1, main_~b~0#1, main_~q~0#1, main_~olda~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~q~0#1;havoc main_~olda~0#1;havoc main_#t~nondet0#1;main_~q~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7#L23true assume !!(-524287 <= main_~q~0#1 && main_~q~0#1 <= 524287); 9#L24true assume !!(-524287 <= main_~a~0#1 && main_~a~0#1 <= 524287); 5#L25true assume !!(-524287 <= main_~b~0#1 && main_~b~0#1 <= 524287); 4#L26-2true [2023-11-12 02:29:29,301 INFO L750 eck$LassoCheckResult]: Loop: 4#L26-2true assume !!(main_~q~0#1 > 0);main_~q~0#1 := main_~q~0#1 + main_~a~0#1 - 1;main_~olda~0#1 := main_~a~0#1;main_~a~0#1 := 3 * main_~olda~0#1 - 4 * main_~b~0#1;main_~b~0#1 := 4 * main_~olda~0#1 + 3 * main_~b~0#1; 4#L26-2true [2023-11-12 02:29:29,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:29,309 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2023-11-12 02:29:29,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:29,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94849375] [2023-11-12 02:29:29,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:29,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:29,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:29,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:29,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:29,465 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2023-11-12 02:29:29,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:29,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007282802] [2023-11-12 02:29:29,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:29,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:29,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:29,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:29,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:29,514 INFO L85 PathProgramCache]: Analyzing trace with hash 889571345, now seen corresponding path program 1 times [2023-11-12 02:29:29,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:29,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65476580] [2023-11-12 02:29:29,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:29,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:29,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:29,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:29,734 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:29:29,736 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:29:29,736 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:29:29,736 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:29:29,736 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-12 02:29:29,737 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:29,737 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:29:29,737 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:29:29,737 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4NestedWith3Variables-1.c_Iteration1_Loop [2023-11-12 02:29:29,738 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:29:29,738 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:29:29,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:29,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:29,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:29,887 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:29:29,888 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-12 02:29:29,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:29,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:29,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:29,906 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:29:29,906 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:29:29,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-12 02:29:29,932 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:29:29,932 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:29:29,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:29,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:29,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:29,967 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:29,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-12 02:29:29,970 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:29:29,970 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:29:29,993 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:29:29,993 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:29:30,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:30,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:30,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:30,006 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:30,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-12 02:29:30,013 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:29:30,013 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:29:30,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-12 02:29:30,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:30,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:30,059 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:30,066 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-12 02:29:30,067 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:29:30,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-12 02:29:40,792 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2023-11-12 02:29:40,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:40,799 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:29:40,800 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:29:40,800 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:29:40,800 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:29:40,800 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:29:40,800 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:40,800 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:29:40,800 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:29:40,800 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4NestedWith3Variables-1.c_Iteration1_Loop [2023-11-12 02:29:40,801 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:29:40,801 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:29:40,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:40,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:40,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:40,901 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:29:40,906 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:29:40,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:40,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:40,914 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:40,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:40,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-12 02:29:40,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:40,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:40,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:40,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:40,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:29:40,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:29:40,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:40,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-12 02:29:40,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:40,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:40,972 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:40,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-12 02:29:40,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:40,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:40,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:40,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:40,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:40,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:29:40,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:29:41,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:41,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:41,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:41,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:41,014 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:41,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-12 02:29:41,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:41,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:41,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:29:41,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:41,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:41,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:41,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:29:41,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:29:41,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:41,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:41,098 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-12 02:29:41,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:41,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:41,100 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:41,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-12 02:29:41,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:41,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:41,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:41,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:41,119 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-12 02:29:41,125 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-12 02:29:41,125 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-12 02:29:41,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:41,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:41,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:41,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:41,148 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:41,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:41,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:41,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:41,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:41,177 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-12 02:29:41,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-12 02:29:41,182 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-12 02:29:41,182 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-12 02:29:41,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:41,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:41,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:41,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:41,204 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:41,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:41,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-12 02:29:41,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:41,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:29:41,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:41,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:41,233 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-12 02:29:41,249 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-12 02:29:41,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:29:41,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:41,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:41,290 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-12 02:29:41,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:41,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:41,292 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:41,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-12 02:29:41,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:41,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:41,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:41,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:41,319 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-12 02:29:41,324 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-12 02:29:41,325 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-12 02:29:41,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:41,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:41,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:41,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:41,349 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:41,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:41,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-12 02:29:41,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:41,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:41,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:41,366 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-12 02:29:41,371 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-12 02:29:41,371 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-12 02:29:41,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:41,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:41,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:41,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:41,399 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:41,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:41,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-12 02:29:41,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:41,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:29:41,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:41,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:41,424 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-12 02:29:41,436 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-12 02:29:41,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:29:41,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:41,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:41,458 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-11-12 02:29:41,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:41,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:41,459 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:41,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:41,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-12 02:29:41,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:41,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:41,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:41,486 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-12 02:29:41,494 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-12 02:29:41,494 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-12 02:29:41,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:41,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:41,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:41,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:41,523 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:41,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-12 02:29:41,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:41,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:41,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:41,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:41,547 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-12 02:29:41,555 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-11-12 02:29:41,556 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-11-12 02:29:41,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:41,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:41,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:41,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:41,585 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:41,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-12 02:29:41,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:41,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:41,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:29:41,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:41,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:41,610 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-11-12 02:29:41,615 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2023-11-12 02:29:41,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:29:41,634 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:29:41,659 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-12 02:29:41,659 INFO L444 ModelExtractionUtils]: 8 out of 21 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-11-12 02:29:41,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:41,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:41,706 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:41,711 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:29:41,711 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-12 02:29:41,711 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:29:41,712 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 4-nested ranking function: f0 = -8*ULTIMATE.start_main_~a~0#1 - 16*ULTIMATE.start_main_~b~0#1 + 80*ULTIMATE.start_main_~q~0#1 f1 = 2*ULTIMATE.start_main_~a~0#1 - 4*ULTIMATE.start_main_~b~0#1 + 4*ULTIMATE.start_main_~q~0#1 f2 = 1*ULTIMATE.start_main_~a~0#1 f3 = 1*ULTIMATE.start_main_~q~0#1 Supporting invariants [] [2023-11-12 02:29:41,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-12 02:29:41,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:41,730 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-12 02:29:41,738 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if -16 * ~b~0 + -8 * ~a~0 + 80 * ~q~0 > 0 then 3 else (if 4 * ~q~0 + -4 * ~b~0 + 2 * ~a~0 > 0 then 2 else (if ~a~0 > 0 then 1 else 0))) could not be translated [2023-11-12 02:29:41,739 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if -16 * ~b~0 + -8 * ~a~0 + 80 * ~q~0 > 0 then -16 * ~b~0 + -8 * ~a~0 + 80 * ~q~0 else (if 4 * ~q~0 + -4 * ~b~0 + 2 * ~a~0 > 0 then 4 * ~q~0 + -4 * ~b~0 + 2 * ~a~0 else (if ~a~0 > 0 then ~a~0 else ~q~0))) could not be translated [2023-11-12 02:29:41,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:41,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:29:41,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:29:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:41,808 WARN L260 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:29:41,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:29:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:41,861 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 [2023-11-12 02:29:41,863 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:41,936 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) 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). Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 25 transitions. Complement of second has 6 states. [2023-11-12 02:29:41,938 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 [2023-11-12 02:29:41,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:41,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2023-11-12 02:29:41,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 1 letters. [2023-11-12 02:29:41,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:29:41,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 1 letters. [2023-11-12 02:29:41,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:29:41,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-12 02:29:41,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:29:41,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2023-11-12 02:29:41,956 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:29:41,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2023-11-12 02:29:41,960 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-12 02:29:41,960 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-12 02:29:41,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-12 02:29:41,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:29:41,961 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:29:41,961 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:29:41,962 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:29:41,962 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:29:41,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:29:41,962 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:29:41,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-12 02:29:41,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:29:41 BoogieIcfgContainer [2023-11-12 02:29:41,978 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:29:41,979 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:29:41,979 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:29:41,979 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:29:41,980 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:29" (3/4) ... [2023-11-12 02:29:41,982 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:29:41,984 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:29:41,985 INFO L158 Benchmark]: Toolchain (without parser) took 13470.32ms. Allocated memory is still 190.8MB. Free memory was 146.6MB in the beginning and 122.8MB in the end (delta: 23.8MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-11-12 02:29:41,985 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 190.8MB. Free memory is still 166.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:29:41,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.39ms. Allocated memory is still 190.8MB. Free memory was 146.6MB in the beginning and 136.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:29:41,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.07ms. Allocated memory is still 190.8MB. Free memory was 136.6MB in the beginning and 135.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:29:41,987 INFO L158 Benchmark]: Boogie Preprocessor took 20.22ms. Allocated memory is still 190.8MB. Free memory was 135.3MB in the beginning and 134.3MB in the end (delta: 992.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:29:41,987 INFO L158 Benchmark]: RCFGBuilder took 367.28ms. Allocated memory is still 190.8MB. Free memory was 134.3MB in the beginning and 124.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:29:41,988 INFO L158 Benchmark]: BuchiAutomizer took 12841.29ms. Allocated memory is still 190.8MB. Free memory was 124.9MB in the beginning and 122.8MB in the end (delta: 2.1MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-11-12 02:29:41,988 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 190.8MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:29:41,991 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 190.8MB. Free memory is still 166.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.39ms. Allocated memory is still 190.8MB. Free memory was 146.6MB in the beginning and 136.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.07ms. Allocated memory is still 190.8MB. Free memory was 136.6MB in the beginning and 135.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.22ms. Allocated memory is still 190.8MB. Free memory was 135.3MB in the beginning and 134.3MB in the end (delta: 992.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 367.28ms. Allocated memory is still 190.8MB. Free memory was 134.3MB in the beginning and 124.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 12841.29ms. Allocated memory is still 190.8MB. Free memory was 124.9MB in the beginning and 122.8MB in the end (delta: 2.1MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 190.8MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if -16 * ~b~0 + -8 * ~a~0 + 80 * ~q~0 > 0 then 3 else (if 4 * ~q~0 + -4 * ~b~0 + 2 * ~a~0 > 0 then 2 else (if ~a~0 > 0 then 1 else 0))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if -16 * ~b~0 + -8 * ~a~0 + 80 * ~q~0 > 0 then -16 * ~b~0 + -8 * ~a~0 + 80 * ~q~0 else (if 4 * ~q~0 + -4 * ~b~0 + 2 * ~a~0 > 0 then 4 * ~q~0 + -4 * ~b~0 + 2 * ~a~0 else (if ~a~0 > 0 then ~a~0 else ~q~0))) could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 4-nested ranking function NULL, NULL and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 12.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 12 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital33 mio100 ax136 hnf100 lsp73 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq196 hnf93 smp100 dnf100 smp100 tf103 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 59ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 5 MotzkinApplications: 15 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 10.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-12 02:29:42,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:42,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68f8ea3-afe5-4f62-8f47-33bcaace7ae0/bin/uautomizer-verify-uTZkv6EMXl/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