./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-01.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-01.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G --witnessprinter.witness.filename witness.graphml --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 f0ea6eb6d9aac121dbc855aee8ee7fcf4ac1c11a2c33cc2d774107d7d845e065 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:27:32,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:27:32,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:27:32,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:27:32,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:27:32,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:27:32,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:27:32,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:27:32,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:27:32,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:27:32,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:27:32,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:27:32,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:27:32,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:27:32,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:27:32,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:27:32,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:27:32,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:27:32,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:27:33,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:27:33,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:27:33,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:27:33,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:27:33,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:27:33,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:27:33,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:27:33,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:27:33,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:27:33,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:27:33,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:27:33,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:27:33,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:27:33,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:27:33,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:27:33,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:27:33,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:27:33,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:27:33,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:27:33,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:27:33,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:27:33,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:27:33,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-23 12:27:33,115 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:27:33,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:27:33,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:27:33,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:27:33,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:27:33,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:27:33,120 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:27:33,120 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 12:27:33,120 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 12:27:33,121 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 12:27:33,122 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 12:27:33,122 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 12:27:33,123 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 12:27:33,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:27:33,123 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 12:27:33,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:27:33,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:27:33,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 12:27:33,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 12:27:33,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 12:27:33,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:27:33,125 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 12:27:33,126 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:27:33,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 12:27:33,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:27:33,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:27:33,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:27:33,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:27:33,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:27:33,132 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 12:27:33,133 INFO L138 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_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0ea6eb6d9aac121dbc855aee8ee7fcf4ac1c11a2c33cc2d774107d7d845e065 [2021-11-23 12:27:33,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:27:33,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:27:33,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:27:33,563 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:27:33,564 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:27:33,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-bwb/and-01.i [2021-11-23 12:27:33,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/data/013bdc9f8/315e320d9c5048fb8c427d67bd2e6cf0/FLAGec0cbd957 [2021-11-23 12:27:34,369 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:27:34,370 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/sv-benchmarks/c/termination-bwb/and-01.i [2021-11-23 12:27:34,386 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/data/013bdc9f8/315e320d9c5048fb8c427d67bd2e6cf0/FLAGec0cbd957 [2021-11-23 12:27:34,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/data/013bdc9f8/315e320d9c5048fb8c427d67bd2e6cf0 [2021-11-23 12:27:34,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:27:34,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:27:34,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:27:34,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:27:34,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:27:34,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:27:34" (1/1) ... [2021-11-23 12:27:34,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62920ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:34, skipping insertion in model container [2021-11-23 12:27:34,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:27:34" (1/1) ... [2021-11-23 12:27:34,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:27:34,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:27:35,088 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 12:27:35,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:27:35,295 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:27:35,337 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 12:27:35,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:27:35,396 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:27:35,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:35 WrapperNode [2021-11-23 12:27:35,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:27:35,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:27:35,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:27:35,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:27:35,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:35" (1/1) ... [2021-11-23 12:27:35,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:35" (1/1) ... [2021-11-23 12:27:35,468 INFO L137 Inliner]: procedures = 111, calls = 3, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-23 12:27:35,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:27:35,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:27:35,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:27:35,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:27:35,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:35" (1/1) ... [2021-11-23 12:27:35,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:35" (1/1) ... [2021-11-23 12:27:35,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:35" (1/1) ... [2021-11-23 12:27:35,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:35" (1/1) ... [2021-11-23 12:27:35,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:35" (1/1) ... [2021-11-23 12:27:35,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:35" (1/1) ... [2021-11-23 12:27:35,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:35" (1/1) ... [2021-11-23 12:27:35,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:27:35,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:27:35,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:27:35,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:27:35,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:35" (1/1) ... [2021-11-23 12:27:35,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:35,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:35,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:35,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 12:27:35,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:27:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:27:35,765 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:27:35,767 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:27:35,868 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:27:35,878 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:27:35,878 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 12:27:35,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:35 BoogieIcfgContainer [2021-11-23 12:27:35,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:27:35,882 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 12:27:35,882 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 12:27:35,886 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 12:27:35,887 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:27:35,887 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:27:34" (1/3) ... [2021-11-23 12:27:35,889 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73a0a85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:27:35, skipping insertion in model container [2021-11-23 12:27:35,890 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:27:35,890 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:35" (2/3) ... [2021-11-23 12:27:35,890 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73a0a85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:27:35, skipping insertion in model container [2021-11-23 12:27:35,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:27:35,891 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:35" (3/3) ... [2021-11-23 12:27:35,892 INFO L388 chiAutomizerObserver]: Analyzing ICFG and-01.i [2021-11-23 12:27:36,023 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 12:27:36,024 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 12:27:36,024 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 12:27:36,024 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 12:27:36,024 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 12:27:36,024 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 12:27:36,025 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 12:27:36,025 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 12:27:36,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:27:36,082 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 12:27:36,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:27:36,082 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:27:36,089 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 12:27:36,090 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 12:27:36,090 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 12:27:36,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:27:36,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 12:27:36,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:27:36,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:27:36,093 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 12:27:36,093 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 12:27:36,102 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 5#L535true assume !!(main_~a~0#1 > 0); 7#L536-1true [2021-11-23 12:27:36,102 INFO L793 eck$LassoCheckResult]: Loop: 7#L536-1true assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1;main_~x~0#1 := ~bitwiseAnd(main_~x~0#1, main_~a~0#1); 7#L536-1true [2021-11-23 12:27:36,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:27:36,110 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-23 12:27:36,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:27:36,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369077730] [2021-11-23 12:27:36,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:27:36,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:27:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:27:36,248 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:27:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:27:36,275 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:27:36,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:27:36,279 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2021-11-23 12:27:36,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:27:36,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656591149] [2021-11-23 12:27:36,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:27:36,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:27:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:27:36,303 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:27:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:27:36,317 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:27:36,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:27:36,320 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2021-11-23 12:27:36,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:27:36,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673266459] [2021-11-23 12:27:36,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:27:36,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:27:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:27:36,332 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:27:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:27:36,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:27:36,414 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:27:36,415 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:27:36,415 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:27:36,415 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:27:36,415 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 12:27:36,416 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:36,416 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:27:36,416 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:27:36,416 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-01.i_Iteration1_Loop [2021-11-23 12:27:36,416 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:27:36,418 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:27:36,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:36,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:36,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:36,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:36,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:36,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:36,617 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:27:36,618 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 12:27:36,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:36,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:36,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:36,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:36,644 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:36,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 12:27:36,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 12:27:36,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:36,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:36,695 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:36,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 12:27:36,697 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 12:27:36,711 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:36,754 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:36,755 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=-3}, {ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~a~0#1=3}] Lambdas: [1, 4, 1] Nus: [0, 1] [2021-11-23 12:27:36,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 12:27:36,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:36,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:36,801 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:36,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:36,808 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:36,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 12:27:36,839 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:36,839 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_1=1} Honda state: {v_rep~unnamed0~0~P_PID_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:27:36,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 12:27:36,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:36,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:36,882 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:36,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 12:27:36,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:36,894 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:36,923 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:36,924 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_1=2} Honda state: {v_rep~unnamed0~0~P_PGID_1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:27:36,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 12:27:36,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:36,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:36,976 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:36,996 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:36,996 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:37,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 12:27:37,024 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:37,024 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:27:37,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 12:27:37,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:37,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:37,079 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:37,086 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:37,086 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:37,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 12:27:37,110 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:37,110 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_ALL_1=0} Honda state: {v_rep~unnamed0~0~P_ALL_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:27:37,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 12:27:37,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:37,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:37,157 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:37,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 12:27:37,168 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:37,168 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:37,183 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:37,183 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:27:37,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 12:27:37,222 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:27:37,222 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:27:37,222 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:27:37,222 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:27:37,223 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 12:27:37,223 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:37,223 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:27:37,223 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:27:37,223 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-01.i_Iteration1_Lasso [2021-11-23 12:27:37,223 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:27:37,223 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:27:37,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:37,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:37,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:37,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:37,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:37,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:37,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:37,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:37,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:27:37,332 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:27:37,332 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 12:27:37,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:37,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:37,334 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:37,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 12:27:37,341 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:37,341 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:37,390 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:37,391 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:27:37,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-23 12:27:37,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:37,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:37,428 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:37,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 12:27:37,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:37,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:37,451 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:37,451 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:27:37,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 12:27:37,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:37,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:37,483 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:37,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 12:27:37,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:37,486 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:37,504 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:37,504 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_2=1} Honda state: {v_rep~unnamed0~0~P_PID_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:27:37,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-11-23 12:27:37,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:37,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:37,535 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:37,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 12:27:37,537 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:37,537 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:37,548 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:37,548 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: [] [2021-11-23 12:27:37,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 12:27:37,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:37,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:37,575 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:37,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 12:27:37,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:37,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:37,589 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:37,589 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:27:37,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 12:27:37,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:37,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:37,616 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:37,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 12:27:37,618 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:37,618 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:37,629 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:37,629 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:27:37,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-23 12:27:37,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:37,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:37,655 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:37,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-23 12:27:37,659 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:37,659 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:37,676 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:37,676 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_2=2} Honda state: {v_rep~unnamed0~0~P_PGID_2=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:27:37,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-11-23 12:27:37,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:37,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:37,707 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:37,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 12:27:37,710 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:37,710 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:37,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-23 12:27:37,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:37,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:37,749 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:37,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-23 12:27:37,759 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 12:27:37,759 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:37,823 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:37,823 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=1} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=0}, {ULTIMATE.start_main_~a~0#1=2}, {ULTIMATE.start_main_~a~0#1=-3}] Lambdas: [0, 1, 1] Nus: [0, 0] [2021-11-23 12:27:37,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-23 12:27:37,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:27:37,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:27:37,855 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:27:37,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-23 12:27:37,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:27:37,865 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:27:37,881 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:27:37,881 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_ALL_2=0} Honda state: {v_rep~unnamed0~0~P_ALL_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:27:37,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-23 12:27:37,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:27:37 BoogieIcfgContainer [2021-11-23 12:27:37,917 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 12:27:37,917 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 12:27:37,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 12:27:37,918 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 12:27:37,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:35" (3/4) ... [2021-11-23 12:27:37,922 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 12:27:37,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 12:27:37,924 INFO L158 Benchmark]: Toolchain (without parser) took 3269.08ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.0MB in the beginning and 60.8MB in the end (delta: -10.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-11-23 12:27:37,925 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 88.1MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:27:37,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.83ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.9MB in the beginning and 75.5MB in the end (delta: -25.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 12:27:37,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.43ms. Allocated memory is still 107.0MB. Free memory was 75.5MB in the beginning and 73.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:27:37,928 INFO L158 Benchmark]: Boogie Preprocessor took 44.71ms. Allocated memory is still 107.0MB. Free memory was 73.8MB in the beginning and 73.0MB in the end (delta: 852.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:27:37,928 INFO L158 Benchmark]: RCFGBuilder took 364.17ms. Allocated memory is still 107.0MB. Free memory was 73.0MB in the beginning and 64.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 12:27:37,929 INFO L158 Benchmark]: BuchiAutomizer took 2035.00ms. Allocated memory is still 107.0MB. Free memory was 64.6MB in the beginning and 61.4MB in the end (delta: 3.2MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-11-23 12:27:37,930 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 107.0MB. Free memory was 61.4MB in the beginning and 60.8MB in the end (delta: 606.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:27:37,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 88.1MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.83ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.9MB in the beginning and 75.5MB in the end (delta: -25.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.43ms. Allocated memory is still 107.0MB. Free memory was 75.5MB in the beginning and 73.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.71ms. Allocated memory is still 107.0MB. Free memory was 73.8MB in the beginning and 73.0MB in the end (delta: 852.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.17ms. Allocated memory is still 107.0MB. Free memory was 73.0MB in the beginning and 64.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2035.00ms. Allocated memory is still 107.0MB. Free memory was 64.6MB in the beginning and 61.4MB in the end (delta: 3.2MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 107.0MB. Free memory was 61.4MB in the beginning and 60.8MB in the end (delta: 606.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax269 hnf100 lsp23 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq187 hnf100 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: x&a [538] (Reason bitwiseAnd) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~a~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !!(main_~a~0#1 > 0);" Loop: "assume !!(main_~x~0#1 > 0);main_#t~post5#1 := main_~a~0#1;main_~a~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1;main_~x~0#1 := ~bitwiseAnd(main_~x~0#1, main_~a~0#1);" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-23 12:27:37,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64976b1-d489-4a3a-99e5-079e3f157465/bin/uautomizer-wIGwrQj20G/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN