./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-numeric/rec_counter1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-numeric/rec_counter1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL --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 de5b7f1cccf5c7fe435559014125bbfd73538586d5303d45f8d606cb31a4b74b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:06:31,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:06:31,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:06:31,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:06:31,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:06:31,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:06:31,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:06:31,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:06:31,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:06:31,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:06:31,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:06:31,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:06:31,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:06:31,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:06:31,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:06:31,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:06:31,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:06:31,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:06:31,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:06:31,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:06:31,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:06:31,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:06:31,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:06:31,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:06:31,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:06:31,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:06:31,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:06:31,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:06:31,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:06:31,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:06:31,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:06:31,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:06:31,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:06:31,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:06:31,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:06:31,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:06:31,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:06:31,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:06:31,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:06:31,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:06:31,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:06:31,997 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-19 05:06:32,033 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:06:32,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:06:32,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:06:32,034 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:06:32,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:06:32,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:06:32,035 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:06:32,035 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-19 05:06:32,036 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-19 05:06:32,036 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-19 05:06:32,036 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-19 05:06:32,036 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-19 05:06:32,036 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-19 05:06:32,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:06:32,037 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:06:32,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:06:32,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:06:32,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-19 05:06:32,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-19 05:06:32,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-19 05:06:32,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:06:32,038 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-19 05:06:32,039 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:06:32,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-19 05:06:32,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:06:32,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:06:32,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:06:32,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:06:32,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:06:32,041 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-19 05:06:32,041 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_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de5b7f1cccf5c7fe435559014125bbfd73538586d5303d45f8d606cb31a4b74b [2021-11-19 05:06:32,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:06:32,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:06:32,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:06:32,329 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:06:32,329 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:06:32,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/termination-numeric/rec_counter1.c [2021-11-19 05:06:32,406 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/data/fff452474/c7d58b89a9764190a809aa3675078e14/FLAG8539f6420 [2021-11-19 05:06:32,845 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:06:32,846 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/sv-benchmarks/c/termination-numeric/rec_counter1.c [2021-11-19 05:06:32,863 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/data/fff452474/c7d58b89a9764190a809aa3675078e14/FLAG8539f6420 [2021-11-19 05:06:33,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/data/fff452474/c7d58b89a9764190a809aa3675078e14 [2021-11-19 05:06:33,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:06:33,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:06:33,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:06:33,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:06:33,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:06:33,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:33" (1/1) ... [2021-11-19 05:06:33,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b01e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:33, skipping insertion in model container [2021-11-19 05:06:33,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:33" (1/1) ... [2021-11-19 05:06:33,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:06:33,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:06:33,419 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:06:33,449 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:06:33,462 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:06:33,473 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:06:33,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:33 WrapperNode [2021-11-19 05:06:33,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:06:33,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:06:33,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:06:33,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:06:33,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:33" (1/1) ... [2021-11-19 05:06:33,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:33" (1/1) ... [2021-11-19 05:06:33,503 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 10 [2021-11-19 05:06:33,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:06:33,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:06:33,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:06:33,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:06:33,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:33" (1/1) ... [2021-11-19 05:06:33,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:33" (1/1) ... [2021-11-19 05:06:33,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:33" (1/1) ... [2021-11-19 05:06:33,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:33" (1/1) ... [2021-11-19 05:06:33,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:33" (1/1) ... [2021-11-19 05:06:33,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:33" (1/1) ... [2021-11-19 05:06:33,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:33" (1/1) ... [2021-11-19 05:06:33,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:06:33,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:06:33,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:06:33,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:06:33,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:33" (1/1) ... [2021-11-19 05:06:33,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:33,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:33,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:33,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-19 05:06:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-11-19 05:06:33,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-11-19 05:06:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:06:33,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:06:33,660 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:06:33,662 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:06:33,773 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:06:33,782 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:06:33,782 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 05:06:33,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:33 BoogieIcfgContainer [2021-11-19 05:06:33,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:06:33,787 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-19 05:06:33,787 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-19 05:06:33,790 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-19 05:06:33,791 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:06:33,791 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 05:06:33" (1/3) ... [2021-11-19 05:06:33,793 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@708f339a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 05:06:33, skipping insertion in model container [2021-11-19 05:06:33,793 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:06:33,794 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:33" (2/3) ... [2021-11-19 05:06:33,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@708f339a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 05:06:33, skipping insertion in model container [2021-11-19 05:06:33,795 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:06:33,795 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:33" (3/3) ... [2021-11-19 05:06:33,796 INFO L388 chiAutomizerObserver]: Analyzing ICFG rec_counter1.c [2021-11-19 05:06:33,872 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-19 05:06:33,872 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-19 05:06:33,872 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-19 05:06:33,872 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-19 05:06:33,872 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-19 05:06:33,872 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-19 05:06:33,873 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-19 05:06:33,873 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-19 05:06:33,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 05:06:33,910 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-19 05:06:33,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:06:33,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:06:33,917 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-19 05:06:33,917 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-19 05:06:33,917 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-19 05:06:33,918 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 05:06:33,920 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-19 05:06:33,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:06:33,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:06:33,921 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-19 05:06:33,921 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-19 05:06:33,928 INFO L791 eck$LassoCheckResult]: Stem: 5#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~nondet2#1, main_#t~ret3#1, main_~i~0#1, main_~res~1#1;main_~i~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 9#L18true assume !(main_~i~0#1 <= 0); 16#L20true call main_#t~ret3#1 := rec(main_~i~0#1);< 12#recENTRYtrue [2021-11-19 05:06:33,928 INFO L793 eck$LassoCheckResult]: Loop: 12#recENTRYtrue ~a := #in~a; 6#L5true assume !(0 == ~a); 11#L8true call #t~ret0 := rec(~a - 1);< 12#recENTRYtrue [2021-11-19 05:06:33,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:06:33,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1572139, now seen corresponding path program 1 times [2021-11-19 05:06:33,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:06:33,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667244413] [2021-11-19 05:06:33,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:06:33,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:06:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:34,014 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:06:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:34,032 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:06:34,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:06:34,035 INFO L85 PathProgramCache]: Analyzing trace with hash 29949, now seen corresponding path program 1 times [2021-11-19 05:06:34,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:06:34,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400854153] [2021-11-19 05:06:34,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:06:34,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:06:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:34,041 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:06:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:34,046 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:06:34,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:06:34,048 INFO L85 PathProgramCache]: Analyzing trace with hash -409047149, now seen corresponding path program 1 times [2021-11-19 05:06:34,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:06:34,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749217259] [2021-11-19 05:06:34,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:06:34,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:06:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:34,065 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:06:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:34,076 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:06:34,216 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:06:34,217 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:06:34,217 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:06:34,217 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:06:34,217 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-19 05:06:34,217 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:34,217 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:06:34,218 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:06:34,218 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_counter1.c_Iteration1_Loop [2021-11-19 05:06:34,218 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:06:34,218 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:06:34,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,345 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:06:34,346 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-19 05:06:34,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:34,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:34,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:34,388 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:34,389 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:34,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-19 05:06:34,418 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:34,419 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec_#t~ret0=0} Honda state: {rec_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:34,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:34,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:34,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:34,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:34,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-19 05:06:34,451 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:34,451 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:34,462 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:34,462 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec_~res~0=0} Honda state: {rec_~res~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:34,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-19 05:06:34,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:34,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:34,483 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:34,485 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:34,485 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:34,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-19 05:06:34,504 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:34,504 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec_#t~post1=0} Honda state: {rec_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:34,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:34,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:34,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:34,541 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:34,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-19 05:06:34,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:34,543 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:34,553 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:34,553 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec_#res=0} Honda state: {rec_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:34,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:34,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:34,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:34,575 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:34,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-19 05:06:34,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:34,577 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:34,588 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:34,588 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec_~a=0} Honda state: {rec_~a=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:34,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:34,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:34,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:34,610 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:34,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-19 05:06:34,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:34,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:34,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:34,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:34,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:34,644 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:34,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-19 05:06:34,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-19 05:06:34,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:34,687 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:34,687 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec_#in~a=-1} Honda state: {rec_#in~a=-1} Generalized eigenvectors: [{rec_#in~a=-1}, {rec_#in~a=0}, {rec_#in~a=0}] Lambdas: [1, 3, 15] Nus: [0, 1] [2021-11-19 05:06:34,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:34,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:34,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:34,708 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:34,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-19 05:06:34,713 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:34,713 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:34,721 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:34,721 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec_~rescopy~0=0} Honda state: {rec_~rescopy~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:34,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-19 05:06:34,773 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:06:34,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:06:34,774 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:06:34,774 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:06:34,774 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-19 05:06:34,774 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:34,774 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:06:34,774 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:06:34,775 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_counter1.c_Iteration1_Lasso [2021-11-19 05:06:34,775 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:06:34,775 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:06:34,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:34,879 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:06:34,879 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-19 05:06:34,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:34,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:34,881 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:34,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-19 05:06:34,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:34,934 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:34,956 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:34,956 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec_#t~ret0=0} Honda state: {rec_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:34,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:34,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:34,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:34,992 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:34,998 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:34,998 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:34,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-19 05:06:35,020 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:35,020 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec_#t~post1=0} Honda state: {rec_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:35,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,051 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,056 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:35,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:35,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-19 05:06:35,065 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:35,065 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=0} Honda state: {ULTIMATE.start_main_~i~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:35,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,088 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-19 05:06:35,090 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:35,090 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:35,098 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:35,099 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:35,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,119 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-19 05:06:35,123 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:35,123 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:35,157 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:35,157 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec_#res=0} Honda state: {rec_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:35,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,177 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-19 05:06:35,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:35,178 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:35,187 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:35,187 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~1#1=0} Honda state: {ULTIMATE.start_main_~res~1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:35,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,207 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-19 05:06:35,210 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:35,213 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:35,222 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:35,222 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec_~a=0} Honda state: {rec_~a=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:35,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-11-19 05:06:35,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,244 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-19 05:06:35,251 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:35,251 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:35,259 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:35,259 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_#t~ret4#1=0} Honda state: {ULTIMATE.start_#t~ret4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:35,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,281 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-19 05:06:35,282 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:35,282 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:35,303 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:35,304 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec_~rescopy~0=0} Honda state: {rec_~rescopy~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:35,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,340 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:35,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:35,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-19 05:06:35,366 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:35,366 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret3#1=0} Honda state: {ULTIMATE.start_main_#t~ret3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:35,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,387 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-19 05:06:35,392 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:35,392 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:35,403 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:35,403 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec_~res~0=0} Honda state: {rec_~res~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:06:35,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-11-19 05:06:35,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,424 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-19 05:06:35,425 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:35,426 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:35,447 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:06:35,447 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: [] [2021-11-19 05:06:35,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,470 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-19 05:06:35,471 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:35,472 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:35,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,517 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,524 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-19 05:06:35,524 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:35,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-19 05:06:35,570 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-19 05:06:35,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,573 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:06:35,573 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:06:35,573 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:06:35,573 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:06:35,573 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 05:06:35,573 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,573 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:06:35,573 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:06:35,573 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_counter1.c_Iteration1_Lasso [2021-11-19 05:06:35,573 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:06:35,573 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:06:35,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:35,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:35,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:35,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:35,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:35,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:35,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:35,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:35,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:35,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:35,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:35,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:35,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:35,695 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:06:35,703 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 05:06:35,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,706 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,712 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 [2021-11-19 05:06:35,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:35,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:06:35,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:35,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:06:35,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:35,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:06:35,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:06:35,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-19 05:06:35,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:06:35,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,778 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,780 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 [2021-11-19 05:06:35,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:35,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:06:35,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:35,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:06:35,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:35,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:06:35,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:06:35,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-19 05:06:35,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:06:35,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,830 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-19 05:06:35,832 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 [2021-11-19 05:06:35,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:35,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:06:35,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:35,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:06:35,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:35,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:06:35,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:06:35,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:06:35,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-19 05:06:35,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,864 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-19 05:06:35,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 05:06:35,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:35,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:06:35,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:35,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:06:35,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:35,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:06:35,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:06:35,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:06:35,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,912 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,914 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 [2021-11-19 05:06:35,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:35,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:06:35,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:35,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:06:35,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:35,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-19 05:06:35,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:06:35,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:06:35,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:06:35,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:35,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:35,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:35,966 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:35,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-19 05:06:35,968 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 [2021-11-19 05:06:35,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:35,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:06:35,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:35,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:06:35,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:35,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:06:35,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:06:35,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:06:36,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:36,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:36,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:36,025 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:36,030 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 [2021-11-19 05:06:36,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:36,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:06:36,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:36,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:06:36,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:36,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:06:36,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:06:36,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-19 05:06:36,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:06:36,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:36,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:36,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:36,089 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:36,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-19 05:06:36,090 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 [2021-11-19 05:06:36,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:36,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:06:36,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:36,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:06:36,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:36,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:06:36,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:06:36,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:06:36,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:36,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:36,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:36,120 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:36,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-19 05:06:36,122 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 [2021-11-19 05:06:36,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:36,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:06:36,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:36,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:06:36,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:36,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:06:36,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:06:36,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:06:36,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-19 05:06:36,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:36,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:36,167 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:36,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-19 05:06:36,168 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 [2021-11-19 05:06:36,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:36,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:06:36,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:36,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:06:36,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:36,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:06:36,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:06:36,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:06:36,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-19 05:06:36,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:36,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:36,198 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:36,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-19 05:06:36,200 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 [2021-11-19 05:06:36,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:36,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:06:36,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:36,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:06:36,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:36,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:06:36,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:06:36,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:06:36,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-19 05:06:36,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:36,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:36,251 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:36,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-19 05:06:36,253 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 [2021-11-19 05:06:36,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:36,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:36,261 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-19 05:06:36,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:36,278 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-19 05:06:36,278 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-19 05:06:36,297 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 05:06:36,319 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-19 05:06:36,319 INFO L444 ModelExtractionUtils]: 3 out of 11 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-11-19 05:06:36,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:36,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:36,323 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:36,324 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 05:06:36,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-19 05:06:36,344 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-11-19 05:06:36,344 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 05:06:36,345 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(rec_#in~a) = 1*rec_#in~a Supporting invariants [1*rec_#in~a >= 0] [2021-11-19 05:06:36,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:36,382 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-11-19 05:06:36,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:06:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:06:36,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 05:06:36,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:06:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:06:36,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 05:06:36,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:06:36,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:06:36,603 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-11-19 05:06:36,605 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:06:36,738 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 40 transitions. Complement of second has 13 states. [2021-11-19 05:06:36,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-19 05:06:36,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:06:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2021-11-19 05:06:36,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2021-11-19 05:06:36,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:06:36,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2021-11-19 05:06:36,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:06:36,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2021-11-19 05:06:36,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:06:36,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 40 transitions. [2021-11-19 05:06:36,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-19 05:06:36,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 18 states and 23 transitions. [2021-11-19 05:06:36,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-11-19 05:06:36,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-19 05:06:36,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2021-11-19 05:06:36,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-19 05:06:36,775 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-11-19 05:06:36,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2021-11-19 05:06:36,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 14. [2021-11-19 05:06:36,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:06:36,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-11-19 05:06:36,813 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-11-19 05:06:36,813 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-11-19 05:06:36,813 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-19 05:06:36,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-11-19 05:06:36,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-19 05:06:36,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:06:36,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:06:36,817 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:06:36,817 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-19 05:06:36,818 INFO L791 eck$LassoCheckResult]: Stem: 123#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~ret3#1, main_~i~0#1, main_~res~1#1;main_~i~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 118#L18 assume !(main_~i~0#1 <= 0); 119#L20 call main_#t~ret3#1 := rec(main_~i~0#1);< 126#recENTRY ~a := #in~a; 127#L5 assume !(0 == ~a); 121#L8 call #t~ret0 := rec(~a - 1);< 125#recENTRY ~a := #in~a; 128#L5 assume 0 == ~a;#res := 0; 129#recFINAL assume true; 131#recEXIT >#35#return; 120#L8-1 ~res~0 := #t~ret0;havoc #t~ret0;~rescopy~0 := ~res~0; 122#L10-2 [2021-11-19 05:06:36,818 INFO L793 eck$LassoCheckResult]: Loop: 122#L10-2 assume !!(~rescopy~0 > 0);#t~post1 := ~rescopy~0;~rescopy~0 := #t~post1 - 1;havoc #t~post1; 122#L10-2 [2021-11-19 05:06:36,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:06:36,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1880555327, now seen corresponding path program 1 times [2021-11-19 05:06:36,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:06:36,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343225940] [2021-11-19 05:06:36,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:06:36,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:06:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:36,842 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:06:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:36,859 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:06:36,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:06:36,861 INFO L85 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 1 times [2021-11-19 05:06:36,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:06:36,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655539281] [2021-11-19 05:06:36,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:06:36,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:06:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:36,869 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:06:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:36,873 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:06:36,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:06:36,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1832327022, now seen corresponding path program 1 times [2021-11-19 05:06:36,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:06:36,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034680266] [2021-11-19 05:06:36,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:06:36,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:06:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:06:36,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 05:06:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:06:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-19 05:06:36,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:06:36,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034680266] [2021-11-19 05:06:36,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034680266] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:06:36,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:06:36,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:06:36,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303142513] [2021-11-19 05:06:36,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:06:36,957 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:06:36,957 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:06:36,957 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:06:36,957 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:06:36,957 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-19 05:06:36,957 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:36,957 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:06:36,957 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:06:36,958 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_counter1.c_Iteration2_Loop [2021-11-19 05:06:36,958 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:06:36,958 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:06:36,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:36,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:36,982 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:06:36,982 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-19 05:06:36,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:36,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:36,989 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:37,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-19 05:06:37,029 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:37,029 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:37,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:37,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-19 05:06:37,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:37,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:37,066 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:37,068 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-19 05:06:37,068 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:37,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-19 05:06:37,140 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-19 05:06:37,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:37,146 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:06:37,146 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:06:37,146 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:06:37,147 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:06:37,147 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 05:06:37,147 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:37,147 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:06:37,147 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:06:37,147 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_counter1.c_Iteration2_Loop [2021-11-19 05:06:37,147 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:06:37,147 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:06:37,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:37,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:37,173 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:06:37,173 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 05:06:37,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:37,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:37,174 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:37,181 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 [2021-11-19 05:06:37,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:37,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:06:37,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:37,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:06:37,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:37,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:06:37,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:06:37,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-19 05:06:37,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:06:37,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:37,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:37,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:37,245 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:37,253 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 [2021-11-19 05:06:37,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:37,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:06:37,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:37,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:06:37,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:37,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:06:37,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:06:37,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-19 05:06:37,281 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 05:06:37,283 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-11-19 05:06:37,283 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-19 05:06:37,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:37,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:37,284 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:37,290 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 05:06:37,290 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-19 05:06:37,290 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 05:06:37,290 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(rec_~rescopy~0) = 1*rec_~rescopy~0 Supporting invariants [] [2021-11-19 05:06:37,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-19 05:06:37,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:37,331 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-19 05:06:37,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:06:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:06:37,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 05:06:37,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:06:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:06:37,500 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:06:37,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:06:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:06:37,501 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2021-11-19 05:06:37,501 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:06:37,544 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 46 states and 65 transitions. Complement of second has 12 states. [2021-11-19 05:06:37,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-19 05:06:37,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:06:37,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2021-11-19 05:06:37,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 12 letters. Loop has 1 letters. [2021-11-19 05:06:37,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:06:37,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 13 letters. Loop has 1 letters. [2021-11-19 05:06:37,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:06:37,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 12 letters. Loop has 2 letters. [2021-11-19 05:06:37,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:06:37,550 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 65 transitions. [2021-11-19 05:06:37,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-19 05:06:37,560 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 24 states and 31 transitions. [2021-11-19 05:06:37,560 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-11-19 05:06:37,561 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-19 05:06:37,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 31 transitions. [2021-11-19 05:06:37,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-19 05:06:37,561 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-11-19 05:06:37,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 31 transitions. [2021-11-19 05:06:37,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2021-11-19 05:06:37,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 05:06:37,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2021-11-19 05:06:37,568 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-11-19 05:06:37,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:06:37,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:06:37,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:06:37,577 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:06:37,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:06:37,602 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2021-11-19 05:06:37,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:06:37,603 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2021-11-19 05:06:37,604 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-19 05:06:37,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2021-11-19 05:06:37,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-19 05:06:37,605 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-19 05:06:37,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2021-11-19 05:06:37,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-19 05:06:37,606 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-11-19 05:06:37,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2021-11-19 05:06:37,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-19 05:06:37,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 05:06:37,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-11-19 05:06:37,609 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-11-19 05:06:37,609 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-11-19 05:06:37,609 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-19 05:06:37,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2021-11-19 05:06:37,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-19 05:06:37,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:06:37,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:06:37,611 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:06:37,611 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-19 05:06:37,611 INFO L791 eck$LassoCheckResult]: Stem: 301#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 302#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~ret3#1, main_~i~0#1, main_~res~1#1;main_~i~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 295#L18 assume !(main_~i~0#1 <= 0); 296#L20 call main_#t~ret3#1 := rec(main_~i~0#1);< 304#recENTRY ~a := #in~a; 305#L5 assume !(0 == ~a); 298#L8 call #t~ret0 := rec(~a - 1);< 303#recENTRY ~a := #in~a; 307#L5 assume !(0 == ~a); 299#L8 call #t~ret0 := rec(~a - 1);< 303#recENTRY ~a := #in~a; 306#L5 assume 0 == ~a;#res := 0; 310#recFINAL assume true; 313#recEXIT >#35#return; 314#L8-1 ~res~0 := #t~ret0;havoc #t~ret0;~rescopy~0 := ~res~0; 308#L10-2 assume !(~rescopy~0 > 0); 309#L10-3 #res := 1 + ~res~0; 312#recFINAL assume true; 311#recEXIT >#35#return; 297#L8-1 ~res~0 := #t~ret0;havoc #t~ret0;~rescopy~0 := ~res~0; 300#L10-2 [2021-11-19 05:06:37,611 INFO L793 eck$LassoCheckResult]: Loop: 300#L10-2 assume !!(~rescopy~0 > 0);#t~post1 := ~rescopy~0;~rescopy~0 := #t~post1 - 1;havoc #t~post1; 300#L10-2 [2021-11-19 05:06:37,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:06:37,612 INFO L85 PathProgramCache]: Analyzing trace with hash -873780632, now seen corresponding path program 1 times [2021-11-19 05:06:37,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:06:37,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367908895] [2021-11-19 05:06:37,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:06:37,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:06:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:37,623 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:06:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:37,637 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:06:37,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:06:37,638 INFO L85 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 2 times [2021-11-19 05:06:37,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:06:37,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949705615] [2021-11-19 05:06:37,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:06:37,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:06:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:37,641 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:06:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:37,643 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:06:37,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:06:37,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1317395801, now seen corresponding path program 1 times [2021-11-19 05:06:37,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:06:37,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609603778] [2021-11-19 05:06:37,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:06:37,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:06:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:37,656 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:06:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:06:37,670 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:06:37,681 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:06:37,681 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:06:37,681 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:06:37,681 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:06:37,681 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-19 05:06:37,681 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:37,682 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:06:37,682 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:06:37,682 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_counter1.c_Iteration3_Loop [2021-11-19 05:06:37,682 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:06:37,682 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:06:37,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:37,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:37,701 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:06:37,701 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-19 05:06:37,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:37,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:37,702 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:37,704 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:06:37,704 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:37,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-19 05:06:37,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:37,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:37,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:37,765 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:37,767 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-19 05:06:37,767 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:06:37,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-19 05:06:37,808 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-19 05:06:37,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:37,810 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:06:37,811 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:06:37,811 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:06:37,811 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:06:37,811 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 05:06:37,811 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:37,811 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:06:37,811 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:06:37,811 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_counter1.c_Iteration3_Loop [2021-11-19 05:06:37,811 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:06:37,811 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:06:37,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:37,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:06:37,838 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:06:37,838 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 05:06:37,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:37,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:37,839 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:37,850 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 [2021-11-19 05:06:37,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:06:37,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:06:37,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:06:37,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:06:37,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:06:37,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:06:37,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:06:37,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-19 05:06:37,873 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 05:06:37,876 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-11-19 05:06:37,876 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-19 05:06:37,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:06:37,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:06:37,878 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:06:37,879 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 05:06:37,879 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-19 05:06:37,879 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 05:06:37,879 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(rec_~rescopy~0) = 1*rec_~rescopy~0 Supporting invariants [] [2021-11-19 05:06:37,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-19 05:06:37,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:37,913 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-19 05:06:37,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:06:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:06:37,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:06:37,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:06:38,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:06:38,289 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:06:38,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:06:38,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:06:38,290 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2021-11-19 05:06:38,290 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 05:06:38,329 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 26 states and 30 transitions. Complement of second has 7 states. [2021-11-19 05:06:38,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-19 05:06:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 05:06:38,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-11-19 05:06:38,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 20 letters. Loop has 1 letters. [2021-11-19 05:06:38,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:06:38,332 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-19 05:06:38,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:06:38,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-19 05:06:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:06:38,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:06:38,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:06:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:06:38,577 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:06:38,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:06:38,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:06:38,579 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 1 loop predicates [2021-11-19 05:06:38,579 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 05:06:38,615 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 26 states and 30 transitions. Complement of second has 7 states. [2021-11-19 05:06:38,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-19 05:06:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 05:06:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-11-19 05:06:38,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 20 letters. Loop has 1 letters. [2021-11-19 05:06:38,617 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:06:38,617 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-19 05:06:38,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:06:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:06:38,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:06:38,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:06:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:06:38,877 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:06:38,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:06:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:06:38,878 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2021-11-19 05:06:38,878 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 05:06:38,915 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 33 states and 41 transitions. Complement of second has 9 states. [2021-11-19 05:06:38,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-19 05:06:38,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 05:06:38,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-11-19 05:06:38,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 20 letters. Loop has 1 letters. [2021-11-19 05:06:38,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:06:38,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 21 letters. Loop has 1 letters. [2021-11-19 05:06:38,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:06:38,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 20 letters. Loop has 2 letters. [2021-11-19 05:06:38,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:06:38,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 41 transitions. [2021-11-19 05:06:38,920 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 05:06:38,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2021-11-19 05:06:38,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-19 05:06:38,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-19 05:06:38,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-19 05:06:38,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:06:38,921 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:06:38,921 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:06:38,921 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:06:38,921 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-19 05:06:38,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-19 05:06:38,921 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 05:06:38,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-19 05:06:38,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 05:06:38 BoogieIcfgContainer [2021-11-19 05:06:38,928 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-19 05:06:38,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:06:38,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:06:38,929 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:06:38,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:33" (3/4) ... [2021-11-19 05:06:38,932 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 05:06:38,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:06:38,933 INFO L158 Benchmark]: Toolchain (without parser) took 5693.71ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 58.4MB in the beginning and 61.3MB in the end (delta: -2.9MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2021-11-19 05:06:38,934 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:06:38,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.41ms. Allocated memory is still 100.7MB. Free memory was 58.2MB in the beginning and 76.1MB in the end (delta: -17.9MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-19 05:06:38,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.58ms. Allocated memory is still 100.7MB. Free memory was 76.1MB in the beginning and 74.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:06:38,935 INFO L158 Benchmark]: Boogie Preprocessor took 17.87ms. Allocated memory is still 100.7MB. Free memory was 74.9MB in the beginning and 73.9MB in the end (delta: 979.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:06:38,935 INFO L158 Benchmark]: RCFGBuilder took 261.39ms. Allocated memory is still 100.7MB. Free memory was 73.9MB in the beginning and 65.7MB in the end (delta: 8.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 05:06:38,936 INFO L158 Benchmark]: BuchiAutomizer took 5141.40ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 65.5MB in the beginning and 61.3MB in the end (delta: 4.2MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2021-11-19 05:06:38,936 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 146.8MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:06:38,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.41ms. Allocated memory is still 100.7MB. Free memory was 58.2MB in the beginning and 76.1MB in the end (delta: -17.9MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.58ms. Allocated memory is still 100.7MB. Free memory was 76.1MB in the beginning and 74.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.87ms. Allocated memory is still 100.7MB. Free memory was 74.9MB in the beginning and 73.9MB in the end (delta: 979.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 261.39ms. Allocated memory is still 100.7MB. Free memory was 73.9MB in the beginning and 65.7MB in the end (delta: 8.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 5141.40ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 65.5MB in the beginning and 61.3MB in the end (delta: 4.2MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 146.8MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function \old(a) and consists of 5 locations. One deterministic module has affine ranking function rescopy and consists of 5 locations. One nondeterministic module has affine ranking function rescopy and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 4 iterations. TraceHistogramMax:3. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 78 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf124 smp100 tf108 neg97 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 96ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 18 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-19 05:06:38,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7545782e-da2b-428b-a9ba-2dda76142800/bin/uautomizer-ZXIjhQolGL/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