./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 559e107295e09fd2cab38095fb07c9788049644cdf9fb643aef126dd533f8d97 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:00:21,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:00:21,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:00:21,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:00:21,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:00:21,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:00:21,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:00:21,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:00:21,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:00:21,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:00:21,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:00:21,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:00:21,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:00:21,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:00:21,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:00:21,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:00:21,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:00:21,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:00:21,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:00:21,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:00:21,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:00:21,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:00:21,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:00:21,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:00:21,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:00:21,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:00:21,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:00:21,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:00:21,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:00:21,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:00:21,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:00:21,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:00:21,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:00:21,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:00:21,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:00:21,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:00:21,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:00:21,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:00:21,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:00:21,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:00:21,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:00:21,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-23 13:00:22,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:00:22,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:00:22,018 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:00:22,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:00:22,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:00:22,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:00:22,020 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:00:22,020 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 13:00:22,021 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 13:00:22,021 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 13:00:22,021 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 13:00:22,021 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 13:00:22,022 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 13:00:22,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:00:22,022 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:00:22,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:00:22,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:00:22,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 13:00:22,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 13:00:22,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 13:00:22,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:00:22,024 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 13:00:22,024 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:00:22,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 13:00:22,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:00:22,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:00:22,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:00:22,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:00:22,025 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:00:22,027 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 13:00:22,027 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_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 559e107295e09fd2cab38095fb07c9788049644cdf9fb643aef126dd533f8d97 [2021-11-23 13:00:22,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:00:22,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:00:22,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:00:22,344 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:00:22,345 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:00:22,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i [2021-11-23 13:00:22,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/data/c3a1c9dd7/cb94be65f2f343c3b3c19653ffa2d81c/FLAGcc5648aec [2021-11-23 13:00:23,084 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:00:23,084 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/sv-benchmarks/c/termination-memory-alloca/cstrcat-alloca-1.i [2021-11-23 13:00:23,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/data/c3a1c9dd7/cb94be65f2f343c3b3c19653ffa2d81c/FLAGcc5648aec [2021-11-23 13:00:23,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/data/c3a1c9dd7/cb94be65f2f343c3b3c19653ffa2d81c [2021-11-23 13:00:23,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:00:23,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:00:23,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:00:23,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:00:23,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:00:23,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:00:23" (1/1) ... [2021-11-23 13:00:23,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b34361c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:23, skipping insertion in model container [2021-11-23 13:00:23,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:00:23" (1/1) ... [2021-11-23 13:00:23,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:00:23,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:00:23,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:00:23,889 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:00:23,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:00:23,986 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:00:23,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:23 WrapperNode [2021-11-23 13:00:23,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:00:23,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:00:23,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:00:23,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:00:23,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:23" (1/1) ... [2021-11-23 13:00:24,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:23" (1/1) ... [2021-11-23 13:00:24,038 INFO L137 Inliner]: procedures = 111, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2021-11-23 13:00:24,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:00:24,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:00:24,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:00:24,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:00:24,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:23" (1/1) ... [2021-11-23 13:00:24,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:23" (1/1) ... [2021-11-23 13:00:24,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:23" (1/1) ... [2021-11-23 13:00:24,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:23" (1/1) ... [2021-11-23 13:00:24,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:23" (1/1) ... [2021-11-23 13:00:24,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:23" (1/1) ... [2021-11-23 13:00:24,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:23" (1/1) ... [2021-11-23 13:00:24,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:00:24,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:00:24,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:00:24,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:00:24,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:23" (1/1) ... [2021-11-23 13:00:24,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:24,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:24,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:24,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 13:00:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 13:00:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 13:00:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 13:00:24,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 13:00:24,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:00:24,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:00:24,333 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:00:24,335 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:00:24,580 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:00:24,587 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:00:24,588 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 13:00:24,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:24 BoogieIcfgContainer [2021-11-23 13:00:24,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:00:24,606 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 13:00:24,606 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 13:00:24,610 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 13:00:24,611 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:00:24,611 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:00:23" (1/3) ... [2021-11-23 13:00:24,613 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@309e9376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:00:24, skipping insertion in model container [2021-11-23 13:00:24,614 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:00:24,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:23" (2/3) ... [2021-11-23 13:00:24,614 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@309e9376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:00:24, skipping insertion in model container [2021-11-23 13:00:24,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:00:24,615 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:24" (3/3) ... [2021-11-23 13:00:24,617 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrcat-alloca-1.i [2021-11-23 13:00:24,674 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 13:00:24,674 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 13:00:24,674 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 13:00:24,674 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 13:00:24,675 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 13:00:24,675 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 13:00:24,675 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 13:00:24,675 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 13:00:24,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:00:24,715 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-23 13:00:24,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:00:24,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:00:24,723 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-23 13:00:24,723 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 13:00:24,723 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 13:00:24,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:00:24,726 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-23 13:00:24,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:00:24,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:00:24,727 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-23 13:00:24,727 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 13:00:24,735 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 6#L560true assume !(main_~length1~0#1 < 1); 12#L560-2true assume !(main_~length2~0#1 < 2); 13#L563-1true assume !(main_~length3~0#1 < 1); 14#L566-1true assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset, cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset, cstrcat_#t~mem2#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s1#1.base, cstrcat_~s1#1.offset, cstrcat_~s2#1.base, cstrcat_~s2#1.offset, cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s1#1.base, cstrcat_~s1#1.offset := cstrcat_#in~s1#1.base, cstrcat_#in~s1#1.offset;cstrcat_~s2#1.base, cstrcat_~s2#1.offset := cstrcat_#in~s2#1.base, cstrcat_#in~s2#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_~s1#1.base, cstrcat_~s1#1.offset; 7#L550-3true [2021-11-23 13:00:24,736 INFO L793 eck$LassoCheckResult]: Loop: 7#L550-3true call cstrcat_#t~mem2#1 := read~int(cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset, 1); 15#L550-1true assume !!(0 != cstrcat_#t~mem2#1);havoc cstrcat_#t~mem2#1;cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset := cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset;cstrcat_~s~0#1.base, cstrcat_~s~0#1.offset := cstrcat_#t~post3#1.base, 1 + cstrcat_#t~post3#1.offset;havoc cstrcat_#t~post3#1.base, cstrcat_#t~post3#1.offset; 7#L550-3true [2021-11-23 13:00:24,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:24,744 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2021-11-23 13:00:24,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:00:24,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551505759] [2021-11-23 13:00:24,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:24,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:00:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:00:24,915 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:00:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:00:25,031 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:00:25,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:25,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2021-11-23 13:00:25,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:00:25,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679669555] [2021-11-23 13:00:25,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:25,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:00:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:00:25,065 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:00:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:00:25,081 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:00:25,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:25,087 INFO L85 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2021-11-23 13:00:25,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:00:25,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626348357] [2021-11-23 13:00:25,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:25,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:00:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:00:25,168 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:00:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:00:25,232 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:00:26,323 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:00:26,323 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:00:26,324 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:00:26,324 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:00:26,324 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 13:00:26,324 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:26,325 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:00:26,325 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:00:26,325 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat-alloca-1.i_Iteration1_Lasso [2021-11-23 13:00:26,325 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:00:26,326 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:00:26,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:26,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:27,308 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:00:27,313 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 13:00:27,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:27,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:27,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:27,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 13:00:27,333 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 [2021-11-23 13:00:27,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:27,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:00:27,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:27,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:27,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:27,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:00:27,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:00:27,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:00:27,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:27,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:27,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:27,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:27,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 13:00:27,412 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 [2021-11-23 13:00:27,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:27,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:00:27,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:27,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:27,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:27,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:00:27,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:00:27,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:00:27,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:27,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:27,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:27,454 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:27,469 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 [2021-11-23 13:00:27,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:27,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:00:27,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:27,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:27,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:27,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:00:27,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:00:27,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 13:00:27,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:00:27,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-23 13:00:27,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:27,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:27,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:27,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 13:00:27,525 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 [2021-11-23 13:00:27,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:27,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:27,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:27,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:27,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:00:27,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:00:27,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:00:27,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:27,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:27,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:27,602 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:27,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 13:00:27,604 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 [2021-11-23 13:00:27,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:27,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:00:27,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:27,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:27,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:27,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:00:27,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:00:27,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:00:27,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:27,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:27,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:27,638 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:27,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 13:00:27,641 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 [2021-11-23 13:00:27,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:27,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:27,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:27,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:27,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:00:27,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:00:27,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:00:27,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:27,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:27,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:27,729 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:27,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 13:00:27,736 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 [2021-11-23 13:00:27,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:27,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:00:27,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:27,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:27,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:27,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:00:27,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:00:27,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:00:27,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:27,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:27,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:27,801 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:27,810 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 [2021-11-23 13:00:27,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:27,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:00:27,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:27,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:27,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:27,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:00:27,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:00:27,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 13:00:27,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:00:27,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:27,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:27,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:27,853 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:27,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 13:00:27,855 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 [2021-11-23 13:00:27,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:27,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:27,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:27,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:27,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:00:27,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:00:27,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:00:27,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:27,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:27,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:27,920 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:27,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 13:00:27,925 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 [2021-11-23 13:00:27,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:27,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:00:27,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:27,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:27,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:27,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:00:27,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:00:27,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:00:27,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:27,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:27,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:27,966 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:27,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 13:00:27,968 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 [2021-11-23 13:00:27,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:27,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:27,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:27,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:27,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:00:27,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:00:27,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:00:28,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:28,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:28,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:28,023 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:28,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 13:00:28,026 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 [2021-11-23 13:00:28,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:28,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:28,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:28,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:28,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:00:28,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:00:28,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:00:28,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:28,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:28,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:28,102 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:28,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 13:00:28,104 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 [2021-11-23 13:00:28,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:28,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:28,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:28,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:28,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:00:28,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:00:28,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:00:28,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:28,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:28,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:28,212 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:28,220 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 [2021-11-23 13:00:28,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:28,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:28,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:28,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:28,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-23 13:00:28,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:00:28,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:00:28,273 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 13:00:28,392 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2021-11-23 13:00:28,392 INFO L444 ModelExtractionUtils]: 14 out of 49 variables were initially zero. Simplification set additionally 30 variables to zero. [2021-11-23 13:00:28,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:28,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:28,395 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:28,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 13:00:28,442 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 13:00:28,469 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-23 13:00:28,469 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 13:00:28,470 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length2~0#1, ULTIMATE.start_cstrcat_~s~0#1.offset) = 1*ULTIMATE.start_main_~length2~0#1 - 1*ULTIMATE.start_cstrcat_~s~0#1.offset Supporting invariants [1*ULTIMATE.start_main_~length2~0#1 - 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1 >= 0] [2021-11-23 13:00:28,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:28,586 INFO L297 tatePredicateManager]: 8 out of 10 supporting invariants were superfluous and have been removed [2021-11-23 13:00:28,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:00:28,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 13:00:28,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:00:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:00:28,700 WARN L261 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 13:00:28,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:00:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:00:28,794 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-23 13:00:28,795 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:00:28,888 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 42 transitions. Complement of second has 8 states. [2021-11-23 13:00:28,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-23 13:00:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:00:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2021-11-23 13:00:28,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 2 letters. [2021-11-23 13:00:28,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:00:28,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 8 letters. Loop has 2 letters. [2021-11-23 13:00:28,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:00:28,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 4 letters. [2021-11-23 13:00:28,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:00:28,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2021-11-23 13:00:28,916 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 13:00:28,919 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2021-11-23 13:00:28,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-23 13:00:28,921 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-23 13:00:28,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-23 13:00:28,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:00:28,922 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:00:28,922 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:00:28,922 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:00:28,922 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 13:00:28,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-23 13:00:28,923 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 13:00:28,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-23 13:00:28,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:00:28 BoogieIcfgContainer [2021-11-23 13:00:28,934 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 13:00:28,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:00:28,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:00:28,936 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:00:28,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:24" (3/4) ... [2021-11-23 13:00:28,940 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 13:00:28,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:00:28,947 INFO L158 Benchmark]: Toolchain (without parser) took 5551.03ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 54.4MB in the beginning and 48.2MB in the end (delta: 6.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2021-11-23 13:00:28,949 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 60.6MB in the beginning and 60.5MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:00:28,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.59ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 54.1MB in the beginning and 96.3MB in the end (delta: -42.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:00:28,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.62ms. Allocated memory is still 125.8MB. Free memory was 96.3MB in the beginning and 94.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:00:28,952 INFO L158 Benchmark]: Boogie Preprocessor took 32.62ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 93.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:00:28,955 INFO L158 Benchmark]: RCFGBuilder took 531.38ms. Allocated memory is still 125.8MB. Free memory was 93.0MB in the beginning and 81.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 13:00:28,956 INFO L158 Benchmark]: BuchiAutomizer took 4328.40ms. Allocated memory is still 125.8MB. Free memory was 81.8MB in the beginning and 48.2MB in the end (delta: 33.6MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2021-11-23 13:00:28,956 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 125.8MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:00:28,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 60.6MB in the beginning and 60.5MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.59ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 54.1MB in the beginning and 96.3MB in the end (delta: -42.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.62ms. Allocated memory is still 125.8MB. Free memory was 96.3MB in the beginning and 94.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.62ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 93.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 531.38ms. Allocated memory is still 125.8MB. Free memory was 93.0MB in the beginning and 81.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4328.40ms. Allocated memory is still 125.8MB. Free memory was 81.8MB in the beginning and 48.2MB in the end (delta: 33.6MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 125.8MB. Free memory is still 48.2MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + length2 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 16 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital181 mio100 ax109 hnf100 lsp87 ukn81 mio100 lsp48 div100 bol100 ite100 ukn100 eq188 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-23 13:00:29,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:29,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38a25674-9fc7-44a3-b13d-34c35e19c77d/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE