./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/aaron3-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/aaron3-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ea9406930e45e60de12baf697b969fb5af8dbe89b8e2edfb7dfc533c91e7fcaa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:31:37,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:31:37,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 04:31:37,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:31:37,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:31:37,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:31:37,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:31:37,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:31:37,818 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:31:37,819 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:31:37,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:31:37,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:31:37,821 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:31:37,821 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 04:31:37,822 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 04:31:37,822 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 04:31:37,823 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 04:31:37,823 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 04:31:37,824 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 04:31:37,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:31:37,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 04:31:37,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:31:37,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:31:37,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 04:31:37,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 04:31:37,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 04:31:37,828 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:31:37,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:31:37,829 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 04:31:37,829 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:31:37,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:31:37,830 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:31:37,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:31:37,830 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:31:37,831 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 04:31:37,831 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_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea9406930e45e60de12baf697b969fb5af8dbe89b8e2edfb7dfc533c91e7fcaa [2023-11-29 04:31:38,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:31:38,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:31:38,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:31:38,076 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:31:38,076 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:31:38,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-crafted/aaron3-1.c [2023-11-29 04:31:40,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:31:41,026 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:31:41,027 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/sv-benchmarks/c/termination-crafted/aaron3-1.c [2023-11-29 04:31:41,035 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/data/654ca8aa1/928d60c23d0e465aaeb0db799785478f/FLAGb28d793d4 [2023-11-29 04:31:41,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/data/654ca8aa1/928d60c23d0e465aaeb0db799785478f [2023-11-29 04:31:41,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:31:41,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:31:41,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:31:41,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:31:41,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:31:41,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:31:41" (1/1) ... [2023-11-29 04:31:41,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1566984c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41, skipping insertion in model container [2023-11-29 04:31:41,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:31:41" (1/1) ... [2023-11-29 04:31:41,079 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:31:41,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:31:41,205 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:31:41,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:31:41,230 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:31:41,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41 WrapperNode [2023-11-29 04:31:41,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:31:41,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:31:41,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:31:41,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:31:41,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41" (1/1) ... [2023-11-29 04:31:41,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41" (1/1) ... [2023-11-29 04:31:41,256 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2023-11-29 04:31:41,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:31:41,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:31:41,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:31:41,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:31:41,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41" (1/1) ... [2023-11-29 04:31:41,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41" (1/1) ... [2023-11-29 04:31:41,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41" (1/1) ... [2023-11-29 04:31:41,272 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-29 04:31:41,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41" (1/1) ... [2023-11-29 04:31:41,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41" (1/1) ... [2023-11-29 04:31:41,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41" (1/1) ... [2023-11-29 04:31:41,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41" (1/1) ... [2023-11-29 04:31:41,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41" (1/1) ... [2023-11-29 04:31:41,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41" (1/1) ... [2023-11-29 04:31:41,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:31:41,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:31:41,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:31:41,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:31:41,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41" (1/1) ... [2023-11-29 04:31:41,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:41,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:41,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:41,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 04:31:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:31:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:31:41,440 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:31:41,442 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:31:41,525 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:31:41,535 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:31:41,535 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:31:41,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:31:41 BoogieIcfgContainer [2023-11-29 04:31:41,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:31:41,539 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 04:31:41,539 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 04:31:41,543 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 04:31:41,544 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:31:41,544 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 04:31:41" (1/3) ... [2023-11-29 04:31:41,545 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7859c35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 04:31:41, skipping insertion in model container [2023-11-29 04:31:41,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:31:41,546 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:41" (2/3) ... [2023-11-29 04:31:41,546 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7859c35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 04:31:41, skipping insertion in model container [2023-11-29 04:31:41,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 04:31:41,546 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:31:41" (3/3) ... [2023-11-29 04:31:41,548 INFO L332 chiAutomizerObserver]: Analyzing ICFG aaron3-1.c [2023-11-29 04:31:41,607 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 04:31:41,607 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 04:31:41,607 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 04:31:41,607 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 04:31:41,608 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 04:31:41,608 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 04:31:41,608 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 04:31:41,608 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 04:31:41,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:41,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 04:31:41,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:31:41,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:31:41,638 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-29 04:31:41,638 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 04:31:41,639 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 04:31:41,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:41,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 04:31:41,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:31:41,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:31:41,641 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-29 04:31:41,641 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 04:31:41,650 INFO L748 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~tx~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~tx~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~tx~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 8#L22true assume !!(-1073741823 <= main_~tx~0#1 && main_~tx~0#1 <= 1073741823); 12#L23true assume !!(-1073741823 <= main_~z~0#1 && main_~z~0#1 <= 1073741823); 13#L24true assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 4#L25true assume !!(main_~y~0#1 <= 1073741823); 7#L27-2true [2023-11-29 04:31:41,650 INFO L750 eck$LassoCheckResult]: Loop: 7#L27-2true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 3#L27true assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~y~0#1 := 1 + main_~y~0#1; 7#L27-2true [2023-11-29 04:31:41,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:41,657 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2023-11-29 04:31:41,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:41,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710457735] [2023-11-29 04:31:41,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:41,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:41,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:31:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:41,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:31:41,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:41,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1963, now seen corresponding path program 1 times [2023-11-29 04:31:41,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:41,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31900015] [2023-11-29 04:31:41,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:41,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:41,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:31:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:41,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:31:41,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:41,802 INFO L85 PathProgramCache]: Analyzing trace with hash 179567799, now seen corresponding path program 1 times [2023-11-29 04:31:41,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:41,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654723277] [2023-11-29 04:31:41,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:41,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:41,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:31:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:41,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:31:41,906 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:31:41,906 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:31:41,907 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:31:41,907 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:31:41,907 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 04:31:41,907 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:41,907 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:31:41,907 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:31:41,907 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration1_Loop [2023-11-29 04:31:41,908 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:31:41,908 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:31:41,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:41,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:41,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:41,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:42,008 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:31:42,009 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 04:31:42,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:42,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:42,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:42,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 04:31:42,015 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:31:42,016 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:42,037 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:31:42,037 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 04:31:42,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-29 04:31:42,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:42,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:42,046 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:42,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 04:31:42,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:31:42,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:42,069 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:31:42,069 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 04:31:42,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 04:31:42,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:42,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:42,074 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:42,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 04:31:42,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:31:42,076 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:42,089 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:31:42,089 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 04:31:42,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 04:31:42,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:42,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:42,094 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:42,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 04:31:42,098 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:31:42,098 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:42,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 04:31:42,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:42,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:42,117 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:42,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 04:31:42,123 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 04:31:42,123 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:42,348 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 04:31:42,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 04:31:42,352 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:31:42,352 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:31:42,352 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:31:42,352 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:31:42,353 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 04:31:42,353 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:42,353 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:31:42,353 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:31:42,353 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration1_Loop [2023-11-29 04:31:42,353 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:31:42,353 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:31:42,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:42,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:42,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:42,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:42,412 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:31:42,416 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 04:31:42,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:42,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:42,418 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:42,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 04:31:42,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:42,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:42,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:42,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:42,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:31:42,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 04:31:42,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 04:31:42,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:31:42,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 04:31:42,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:42,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:42,450 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:42,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 04:31:42,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:42,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:42,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:42,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:42,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:31:42,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 04:31:42,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 04:31:42,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:31:42,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 04:31:42,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:42,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:42,482 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:42,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 04:31:42,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:42,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:42,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:31:42,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:42,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:42,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:31:42,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:31:42,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:31:42,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:31:42,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 04:31:42,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:42,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:42,503 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:42,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 04:31:42,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:42,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:42,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:31:42,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:42,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:42,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:31:42,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:31:42,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:31:42,522 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 04:31:42,526 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 04:31:42,526 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 04:31:42,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:42,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:42,566 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:42,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 04:31:42,568 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 04:31:42,568 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 04:31:42,568 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 04:31:42,569 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2023-11-29 04:31:42,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 04:31:42,577 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 04:31:42,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:42,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:31:42,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:31:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:42,635 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:31:42,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:31:42,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:31:42,692 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 04:31:42,695 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:42,749 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 40 transitions. Complement of second has 8 states. [2023-11-29 04:31:42,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 04:31:42,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:42,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2023-11-29 04:31:42,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-29 04:31:42,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:31:42,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-29 04:31:42,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:31:42,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-29 04:31:42,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:31:42,761 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 40 transitions. [2023-11-29 04:31:42,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 04:31:42,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 13 states and 16 transitions. [2023-11-29 04:31:42,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-29 04:31:42,769 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-29 04:31:42,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2023-11-29 04:31:42,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 04:31:42,770 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-29 04:31:42,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2023-11-29 04:31:42,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-29 04:31:42,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:42,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2023-11-29 04:31:42,797 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-29 04:31:42,797 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-29 04:31:42,797 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 04:31:42,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2023-11-29 04:31:42,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 04:31:42,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:31:42,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:31:42,799 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:31:42,799 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 04:31:42,799 INFO L748 eck$LassoCheckResult]: Stem: 100#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 101#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~tx~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~tx~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~tx~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 92#L22 assume !!(-1073741823 <= main_~tx~0#1 && main_~tx~0#1 <= 1073741823); 93#L23 assume !!(-1073741823 <= main_~z~0#1 && main_~z~0#1 <= 1073741823); 102#L24 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 98#L25 assume !!(main_~y~0#1 <= 1073741823); 99#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 94#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;havoc main_#t~nondet5#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 95#L31 [2023-11-29 04:31:42,799 INFO L750 eck$LassoCheckResult]: Loop: 95#L31 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 103#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 104#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;havoc main_#t~nondet5#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 95#L31 [2023-11-29 04:31:42,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:42,800 INFO L85 PathProgramCache]: Analyzing trace with hash 179567792, now seen corresponding path program 1 times [2023-11-29 04:31:42,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:42,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794549285] [2023-11-29 04:31:42,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:42,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:42,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:31:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:42,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:31:42,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:42,818 INFO L85 PathProgramCache]: Analyzing trace with hash 68265, now seen corresponding path program 1 times [2023-11-29 04:31:42,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:42,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696929295] [2023-11-29 04:31:42,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:42,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:42,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:31:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:42,831 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:31:42,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:42,832 INFO L85 PathProgramCache]: Analyzing trace with hash -2025120870, now seen corresponding path program 1 times [2023-11-29 04:31:42,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:42,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348381689] [2023-11-29 04:31:42,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:42,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:42,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:31:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:42,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:31:42,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 04:31:42,927 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:31:42,927 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:31:42,927 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:31:42,927 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:31:42,928 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 04:31:42,928 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:42,928 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:31:42,928 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:31:42,928 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration2_Loop [2023-11-29 04:31:42,928 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:31:42,928 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:31:42,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:42,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:42,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:42,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:42,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:43,017 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:31:43,017 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 04:31:43,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,018 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 04:31:43,022 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:31:43,023 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:43,040 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:31:43,041 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 04:31:43,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 04:31:43,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,045 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 04:31:43,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:31:43,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:43,060 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:31:43,060 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 04:31:43,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 04:31:43,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,065 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 04:31:43,067 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:31:43,067 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:43,086 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:31:43,086 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 04:31:43,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 04:31:43,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,090 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 04:31:43,094 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:31:43,094 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:43,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 04:31:43,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,111 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 04:31:43,115 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 04:31:43,115 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:43,144 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 04:31:43,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-29 04:31:43,149 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:31:43,149 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:31:43,149 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:31:43,149 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:31:43,149 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 04:31:43,149 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,149 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:31:43,149 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:31:43,149 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration2_Loop [2023-11-29 04:31:43,149 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:31:43,149 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:31:43,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:43,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:43,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:43,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:43,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:43,246 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:31:43,246 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 04:31:43,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,248 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 04:31:43,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:43,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:43,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:43,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:43,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:31:43,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 04:31:43,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 04:31:43,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:31:43,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 04:31:43,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,274 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 04:31:43,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:43,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:43,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:31:43,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:43,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:43,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:31:43,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:31:43,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:31:43,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:31:43,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 04:31:43,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,294 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 04:31:43,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:43,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:43,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:43,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:43,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:31:43,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 04:31:43,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 04:31:43,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:31:43,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 04:31:43,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,322 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 04:31:43,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:43,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:43,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:31:43,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:43,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:43,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:31:43,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:31:43,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:31:43,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:31:43,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 04:31:43,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,355 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 04:31:43,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:43,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:43,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:31:43,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:43,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:43,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:31:43,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:31:43,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:31:43,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:31:43,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-29 04:31:43,386 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-29 04:31:43,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,388 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 04:31:43,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:43,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:43,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:43,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:43,404 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 04:31:43,408 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-29 04:31:43,408 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-29 04:31:43,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:31:43,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 04:31:43,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,420 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 04:31:43,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:43,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:43,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:31:43,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:43,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:43,437 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 04:31:43,438 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 04:31:43,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:31:43,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:31:43,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 04:31:43,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,443 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 04:31:43,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:43,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:43,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:43,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:43,456 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 04:31:43,459 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-29 04:31:43,459 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-29 04:31:43,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:31:43,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-29 04:31:43,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,474 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 04:31:43,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:43,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:43,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:31:43,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:43,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:43,488 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 04:31:43,488 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 04:31:43,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:31:43,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:31:43,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-29 04:31:43,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,496 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 04:31:43,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:43,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:43,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:31:43,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:43,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:43,510 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-29 04:31:43,513 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-29 04:31:43,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:31:43,518 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 04:31:43,541 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-29 04:31:43,541 INFO L444 ModelExtractionUtils]: 5 out of 11 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 04:31:43,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:43,546 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:43,549 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 04:31:43,549 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 04:31:43,550 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 04:31:43,550 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0#1 f1 = 2*ULTIMATE.start_main_~z~0#1 + 2*ULTIMATE.start_main_~tx~0#1 + 2147483647 Supporting invariants [] [2023-11-29 04:31:43,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 04:31:43,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-29 04:31:43,557 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 04:31:43,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if 2 * ~z~0 > 0 then 1 else 0) could not be translated [2023-11-29 04:31:43,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if 2 * ~z~0 > 0 then 2 * ~z~0 else 2147483647 + 2 * ~tx~0 + 2 * ~z~0) could not be translated [2023-11-29 04:31:43,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:43,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:31:43,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:31:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:43,603 WARN L260 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 04:31:43,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:31:43,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:31:43,795 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-29 04:31:43,795 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:43,885 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 23 transitions. Complement of second has 6 states. [2023-11-29 04:31:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 04:31:43,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2023-11-29 04:31:43,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 3 letters. [2023-11-29 04:31:43,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:31:43,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-29 04:31:43,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:31:43,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 6 letters. [2023-11-29 04:31:43,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:31:43,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2023-11-29 04:31:43,889 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 04:31:43,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2023-11-29 04:31:43,889 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-29 04:31:43,890 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-29 04:31:43,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2023-11-29 04:31:43,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 04:31:43,890 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2023-11-29 04:31:43,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2023-11-29 04:31:43,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2023-11-29 04:31:43,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:43,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2023-11-29 04:31:43,892 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-29 04:31:43,892 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-29 04:31:43,892 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 04:31:43,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2023-11-29 04:31:43,893 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 04:31:43,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:31:43,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:31:43,894 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:31:43,894 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 04:31:43,894 INFO L748 eck$LassoCheckResult]: Stem: 191#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 192#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~tx~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~tx~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~tx~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 183#L22 assume !!(-1073741823 <= main_~tx~0#1 && main_~tx~0#1 <= 1073741823); 184#L23 assume !!(-1073741823 <= main_~z~0#1 && main_~z~0#1 <= 1073741823); 193#L24 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 189#L25 assume !!(main_~y~0#1 <= 1073741823); 190#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 197#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;havoc main_#t~nondet5#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 194#L31 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 186#L27-2 [2023-11-29 04:31:43,894 INFO L750 eck$LassoCheckResult]: Loop: 186#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 185#L27 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~y~0#1 := 1 + main_~y~0#1; 186#L27-2 [2023-11-29 04:31:43,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:43,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1271634295, now seen corresponding path program 2 times [2023-11-29 04:31:43,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:43,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739007973] [2023-11-29 04:31:43,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:43,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:43,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:31:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:43,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:31:43,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:43,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1963, now seen corresponding path program 2 times [2023-11-29 04:31:43,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:43,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784889840] [2023-11-29 04:31:43,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:43,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:43,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:31:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:43,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:31:43,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:43,919 INFO L85 PathProgramCache]: Analyzing trace with hash -2025120863, now seen corresponding path program 1 times [2023-11-29 04:31:43,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:43,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132047076] [2023-11-29 04:31:43,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:43,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:43,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:31:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:43,936 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:31:43,957 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:31:43,957 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:31:43,957 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:31:43,957 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:31:43,957 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 04:31:43,957 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:43,957 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:31:43,957 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:31:43,957 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration3_Loop [2023-11-29 04:31:43,958 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:31:43,958 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:31:43,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:43,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:43,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:43,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:44,010 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:31:44,010 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 04:31:44,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:44,011 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:44,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 04:31:44,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:31:44,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:44,031 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:31:44,031 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 04:31:44,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-29 04:31:44,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:44,035 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:44,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 04:31:44,037 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:31:44,037 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:44,055 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:31:44,055 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 04:31:44,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-29 04:31:44,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:44,059 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:44,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 04:31:44,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:31:44,062 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:44,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-29 04:31:44,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:44,081 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:44,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 04:31:44,084 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 04:31:44,084 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:44,335 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 04:31:44,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-29 04:31:44,338 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:31:44,338 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:31:44,338 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:31:44,338 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:31:44,338 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 04:31:44,338 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,338 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:31:44,338 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:31:44,338 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration3_Loop [2023-11-29 04:31:44,338 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:31:44,339 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:31:44,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:44,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:44,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:44,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:44,376 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:31:44,376 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 04:31:44,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:44,378 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:44,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 04:31:44,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:44,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:44,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:31:44,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:44,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:44,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:31:44,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:31:44,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:31:44,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:31:44,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 04:31:44,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:44,396 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:44,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-29 04:31:44,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:44,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:44,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:44,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:44,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:31:44,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 04:31:44,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 04:31:44,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 04:31:44,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-29 04:31:44,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:44,419 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:44,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-29 04:31:44,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:44,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:44,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:31:44,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:44,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:44,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:31:44,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:31:44,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:31:44,436 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 04:31:44,438 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 04:31:44,438 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 04:31:44,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:44,454 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:44,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-29 04:31:44,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-29 04:31:44,455 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 04:31:44,455 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 04:31:44,455 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 04:31:44,455 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2023-11-29 04:31:44,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-29 04:31:44,459 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 04:31:44,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:44,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:31:44,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:31:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:44,498 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:31:44,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:31:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:31:44,513 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 04:31:44,513 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:44,532 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 30 transitions. Complement of second has 5 states. [2023-11-29 04:31:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 04:31:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2023-11-29 04:31:44,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-29 04:31:44,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:31:44,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 11 letters. Loop has 2 letters. [2023-11-29 04:31:44,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:31:44,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 4 letters. [2023-11-29 04:31:44,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:31:44,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2023-11-29 04:31:44,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 04:31:44,536 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 19 states and 24 transitions. [2023-11-29 04:31:44,536 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-29 04:31:44,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-29 04:31:44,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2023-11-29 04:31:44,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 04:31:44,537 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-29 04:31:44,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2023-11-29 04:31:44,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-29 04:31:44,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:44,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2023-11-29 04:31:44,539 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-29 04:31:44,539 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-29 04:31:44,539 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 04:31:44,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2023-11-29 04:31:44,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 04:31:44,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 04:31:44,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 04:31:44,541 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-29 04:31:44,541 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 04:31:44,541 INFO L748 eck$LassoCheckResult]: Stem: 283#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 284#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~tx~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~tx~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~tx~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 275#L22 assume !!(-1073741823 <= main_~tx~0#1 && main_~tx~0#1 <= 1073741823); 276#L23 assume !!(-1073741823 <= main_~z~0#1 && main_~z~0#1 <= 1073741823); 285#L24 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 281#L25 assume !!(main_~y~0#1 <= 1073741823); 282#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 291#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;havoc main_#t~nondet5#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 286#L31 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 280#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 290#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;havoc main_#t~nondet5#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 287#L31 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 278#L27-2 [2023-11-29 04:31:44,541 INFO L750 eck$LassoCheckResult]: Loop: 278#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 277#L27 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~y~0#1 := 1 + main_~y~0#1; 278#L27-2 [2023-11-29 04:31:44,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:44,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1645762509, now seen corresponding path program 3 times [2023-11-29 04:31:44,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:44,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982085734] [2023-11-29 04:31:44,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:44,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:44,550 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:31:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:44,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:31:44,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:44,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1963, now seen corresponding path program 3 times [2023-11-29 04:31:44,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:44,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086053798] [2023-11-29 04:31:44,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:44,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:44,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:31:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:44,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:31:44,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:44,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1029807223, now seen corresponding path program 2 times [2023-11-29 04:31:44,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:44,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380688822] [2023-11-29 04:31:44,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:44,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:44,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:31:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:44,586 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:31:44,607 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:31:44,607 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:31:44,607 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:31:44,607 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:31:44,607 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 04:31:44,607 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,607 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:31:44,607 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:31:44,607 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration4_Loop [2023-11-29 04:31:44,607 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:31:44,607 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:31:44,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:44,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:44,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:44,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:44,658 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:31:44,658 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 04:31:44,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:44,659 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:44,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-29 04:31:44,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:31:44,667 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:44,679 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 04:31:44,679 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 04:31:44,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-29 04:31:44,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:44,683 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:44,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-29 04:31:44,692 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 04:31:44,692 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:44,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-29 04:31:44,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:44,713 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:44,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-29 04:31:44,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 04:31:44,717 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 04:31:44,947 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 04:31:44,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-29 04:31:44,951 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 04:31:44,951 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 04:31:44,951 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 04:31:44,951 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 04:31:44,951 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 04:31:44,951 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,951 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 04:31:44,951 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 04:31:44,951 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration4_Loop [2023-11-29 04:31:44,951 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 04:31:44,951 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 04:31:44,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:44,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:44,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:44,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 04:31:44,994 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 04:31:44,994 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 04:31:44,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:44,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:44,995 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:44,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-29 04:31:44,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 04:31:45,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 04:31:45,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 04:31:45,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 04:31:45,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 04:31:45,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 04:31:45,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 04:31:45,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 04:31:45,013 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 04:31:45,016 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 04:31:45,016 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 04:31:45,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 04:31:45,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:45,017 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:45,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-29 04:31:45,019 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 04:31:45,020 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 04:31:45,020 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 04:31:45,020 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2023-11-29 04:31:45,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-29 04:31:45,024 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 04:31:45,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:45,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:31:45,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:31:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:45,066 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:31:45,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:31:45,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:31:45,082 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 04:31:45,083 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:45,104 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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) Result 21 states and 26 transitions. Complement of second has 5 states. [2023-11-29 04:31:45,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 04:31:45,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:45,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2023-11-29 04:31:45,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 12 letters. Loop has 2 letters. [2023-11-29 04:31:45,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:31:45,106 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 04:31:45,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:45,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:31:45,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:31:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:45,150 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:31:45,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:31:45,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:31:45,167 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 04:31:45,168 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:45,185 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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) Result 21 states and 26 transitions. Complement of second has 5 states. [2023-11-29 04:31:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 04:31:45,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:45,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2023-11-29 04:31:45,187 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 12 letters. Loop has 2 letters. [2023-11-29 04:31:45,187 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:31:45,187 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 04:31:45,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:45,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:31:45,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:31:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:45,237 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:31:45,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:31:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:31:45,251 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 04:31:45,251 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:45,270 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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) Result 24 states and 30 transitions. Complement of second has 4 states. [2023-11-29 04:31:45,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 04:31:45,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:45,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-11-29 04:31:45,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 12 letters. Loop has 2 letters. [2023-11-29 04:31:45,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:31:45,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 14 letters. Loop has 2 letters. [2023-11-29 04:31:45,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:31:45,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 12 letters. Loop has 4 letters. [2023-11-29 04:31:45,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 04:31:45,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2023-11-29 04:31:45,275 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 04:31:45,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2023-11-29 04:31:45,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 04:31:45,276 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 04:31:45,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 04:31:45,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:31:45,276 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:31:45,276 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:31:45,276 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:31:45,276 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 04:31:45,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:31:45,277 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 04:31:45,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 04:31:45,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 04:31:45 BoogieIcfgContainer [2023-11-29 04:31:45,283 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 04:31:45,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:31:45,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:31:45,284 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:31:45,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:31:41" (3/4) ... [2023-11-29 04:31:45,286 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:31:45,287 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:31:45,287 INFO L158 Benchmark]: Toolchain (without parser) took 4234.00ms. Allocated memory is still 174.1MB. Free memory was 136.2MB in the beginning and 93.3MB in the end (delta: 42.8MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2023-11-29 04:31:45,288 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:31:45,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.74ms. Allocated memory is still 174.1MB. Free memory was 136.2MB in the beginning and 126.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 04:31:45,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.30ms. Allocated memory is still 174.1MB. Free memory was 126.5MB in the beginning and 124.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:31:45,289 INFO L158 Benchmark]: Boogie Preprocessor took 26.00ms. Allocated memory is still 174.1MB. Free memory was 124.8MB in the beginning and 123.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:31:45,290 INFO L158 Benchmark]: RCFGBuilder took 253.93ms. Allocated memory is still 174.1MB. Free memory was 123.6MB in the beginning and 114.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 04:31:45,290 INFO L158 Benchmark]: BuchiAutomizer took 3744.05ms. Allocated memory is still 174.1MB. Free memory was 114.0MB in the beginning and 94.4MB in the end (delta: 19.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-11-29 04:31:45,291 INFO L158 Benchmark]: Witness Printer took 3.47ms. Allocated memory is still 174.1MB. Free memory was 94.4MB in the beginning and 93.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:31:45,294 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.74ms. Allocated memory is still 174.1MB. Free memory was 136.2MB in the beginning and 126.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.30ms. Allocated memory is still 174.1MB. Free memory was 126.5MB in the beginning and 124.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.00ms. Allocated memory is still 174.1MB. Free memory was 124.8MB in the beginning and 123.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 253.93ms. Allocated memory is still 174.1MB. Free memory was 123.6MB in the beginning and 114.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3744.05ms. Allocated memory is still 174.1MB. Free memory was 114.0MB in the beginning and 94.4MB in the end (delta: 19.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Witness Printer took 3.47ms. Allocated memory is still 174.1MB. Free memory was 94.4MB in the beginning and 93.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if 2 * ~z~0 > 0 then 1 else 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if 2 * ~z~0 > 0 then 2 * ~z~0 else 2147483647 + 2 * ~tx~0 + 2 * ~z~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 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (((2 * x) + (-2 * y)) + 1) and consists of 5 locations. One deterministic module has 2-nested ranking function null, null and consists of 4 locations. One deterministic module has affine ranking function (((2 * x) + (-2 * y)) + 1) and consists of 3 locations. One nondeterministic module has affine ranking function (((2 * x) + (-2 * y)) + 1) and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 65 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax171 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq139 hnf95 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 04:31:45,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-29 04:31:45,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-29 04:31:45,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07b3c8ad-1669-481e-b511-01461e1e90df/bin/uautomizer-verify-BQ2R08f2Ya/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