./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX --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 ae37599e398d4579dc13aa902332f9c984a4acd0674bb835a0d1e4887393314e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:20:58,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:20:58,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:20:58,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:20:58,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:20:58,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:20:58,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:20:58,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:20:58,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:20:58,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:20:58,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:20:58,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:20:58,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:20:58,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:20:58,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:20:58,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:20:58,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:20:58,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:20:58,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:20:58,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:20:58,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:20:58,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:20:58,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:20:58,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:20:58,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:20:58,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:20:58,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:20:58,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:20:58,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:20:58,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:20:58,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:20:58,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:20:58,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:20:58,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:20:58,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:20:58,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:20:58,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:20:58,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:20:58,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:20:58,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:20:58,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:20:58,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-09 09:20:58,917 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:20:58,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:20:58,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:20:58,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:20:58,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:20:58,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:20:58,921 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:20:58,921 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 09:20:58,921 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 09:20:58,922 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 09:20:58,922 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 09:20:58,922 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 09:20:58,922 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 09:20:58,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:20:58,923 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:20:58,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:20:58,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:20:58,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 09:20:58,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 09:20:58,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 09:20:58,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:20:58,924 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 09:20:58,924 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:20:58,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 09:20:58,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:20:58,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:20:58,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:20:58,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:20:58,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:20:58,927 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 09:20:58,927 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_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae37599e398d4579dc13aa902332f9c984a4acd0674bb835a0d1e4887393314e [2021-11-09 09:20:59,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:20:59,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:20:59,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:20:59,260 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:20:59,261 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:20:59,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i [2021-11-09 09:20:59,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/data/e2ae936b8/c62f3714237d4bddad4fff595d7ce59c/FLAGb43af0e67 [2021-11-09 09:20:59,947 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:20:59,948 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i [2021-11-09 09:20:59,977 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/data/e2ae936b8/c62f3714237d4bddad4fff595d7ce59c/FLAGb43af0e67 [2021-11-09 09:21:00,243 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/data/e2ae936b8/c62f3714237d4bddad4fff595d7ce59c [2021-11-09 09:21:00,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:21:00,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:21:00,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:21:00,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:21:00,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:21:00,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:21:00" (1/1) ... [2021-11-09 09:21:00,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e1bf5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:00, skipping insertion in model container [2021-11-09 09:21:00,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:21:00" (1/1) ... [2021-11-09 09:21:00,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:21:00,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:21:00,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:21:00,729 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:21:00,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:21:00,789 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:21:00,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:00 WrapperNode [2021-11-09 09:21:00,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:21:00,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:21:00,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:21:00,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:21:00,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:00" (1/1) ... [2021-11-09 09:21:00,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:00" (1/1) ... [2021-11-09 09:21:00,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:21:00,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:21:00,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:21:00,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:21:00,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:00" (1/1) ... [2021-11-09 09:21:00,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:00" (1/1) ... [2021-11-09 09:21:00,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:00" (1/1) ... [2021-11-09 09:21:00,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:00" (1/1) ... [2021-11-09 09:21:00,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:00" (1/1) ... [2021-11-09 09:21:00,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:00" (1/1) ... [2021-11-09 09:21:00,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:00" (1/1) ... [2021-11-09 09:21:00,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:21:00,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:21:00,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:21:00,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:21:00,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:00" (1/1) ... [2021-11-09 09:21:00,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:00,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:00,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:00,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 09:21:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 09:21:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 09:21:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:21:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:21:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:21:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:21:01,369 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:21:01,370 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-09 09:21:01,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:21:01 BoogieIcfgContainer [2021-11-09 09:21:01,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:21:01,373 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 09:21:01,373 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 09:21:01,383 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 09:21:01,384 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:21:01,385 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 09:21:00" (1/3) ... [2021-11-09 09:21:01,387 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34ec0e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:21:01, skipping insertion in model container [2021-11-09 09:21:01,387 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:21:01,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:21:00" (2/3) ... [2021-11-09 09:21:01,389 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34ec0e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:21:01, skipping insertion in model container [2021-11-09 09:21:01,389 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:21:01,389 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:21:01" (3/3) ... [2021-11-09 09:21:01,391 INFO L389 chiAutomizerObserver]: Analyzing ICFG subseq-alloca-1.i [2021-11-09 09:21:01,460 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 09:21:01,460 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 09:21:01,461 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 09:21:01,461 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 09:21:01,461 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 09:21:01,461 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 09:21:01,461 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 09:21:01,462 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 09:21:01,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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) [2021-11-09 09:21:01,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 09:21:01,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:21:01,507 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:21:01,514 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-09 09:21:01,514 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-09 09:21:01,514 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 09:21:01,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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) [2021-11-09 09:21:01,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 09:21:01,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:21:01,520 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:21:01,520 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-09 09:21:01,521 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-09 09:21:01,529 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 15#L563true assume !(main_~length1~0 < 1); 10#L563-2true assume !(main_~length2~0 < 1); 16#L566-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);subseq_#in~s.base, subseq_#in~s.offset, subseq_#in~t.base, subseq_#in~t.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc subseq_#res;havoc subseq_#t~mem5, subseq_#t~mem6, subseq_#t~post7.base, subseq_#t~post7.offset, subseq_#t~post8.base, subseq_#t~post8.offset, subseq_#t~mem2, subseq_#t~mem3, subseq_#t~short4, subseq_#t~mem9, subseq_~s.base, subseq_~s.offset, subseq_~t.base, subseq_~t.offset, subseq_~ps~0.base, subseq_~ps~0.offset, subseq_~pt~0.base, subseq_~pt~0.offset;subseq_~s.base, subseq_~s.offset := subseq_#in~s.base, subseq_#in~s.offset;subseq_~t.base, subseq_~t.offset := subseq_#in~t.base, subseq_#in~t.offset;subseq_~ps~0.base, subseq_~ps~0.offset := subseq_~s.base, subseq_~s.offset;subseq_~pt~0.base, subseq_~pt~0.offset := subseq_~t.base, subseq_~t.offset; 3#L551-5true [2021-11-09 09:21:01,530 INFO L793 eck$LassoCheckResult]: Loop: 3#L551-5true call subseq_#t~mem2 := read~int(subseq_~ps~0.base, subseq_~ps~0.offset, 1);subseq_#t~short4 := 0 != subseq_#t~mem2; 7#L551-1true assume subseq_#t~short4;call subseq_#t~mem3 := read~int(subseq_~pt~0.base, subseq_~pt~0.offset, 1);subseq_#t~short4 := 0 != subseq_#t~mem3; 8#L551-3true assume !!subseq_#t~short4;havoc subseq_#t~mem2;havoc subseq_#t~mem3;havoc subseq_#t~short4;call subseq_#t~mem5 := read~int(subseq_~ps~0.base, subseq_~ps~0.offset, 1);call subseq_#t~mem6 := read~int(subseq_~pt~0.base, subseq_~pt~0.offset, 1); 11#L552true assume subseq_#t~mem5 == subseq_#t~mem6;havoc subseq_#t~mem5;havoc subseq_#t~mem6;subseq_#t~post7.base, subseq_#t~post7.offset := subseq_~ps~0.base, subseq_~ps~0.offset;subseq_~ps~0.base, subseq_~ps~0.offset := subseq_#t~post7.base, 1 + subseq_#t~post7.offset;havoc subseq_#t~post7.base, subseq_#t~post7.offset; 12#L552-2true subseq_#t~post8.base, subseq_#t~post8.offset := subseq_~pt~0.base, subseq_~pt~0.offset;subseq_~pt~0.base, subseq_~pt~0.offset := subseq_#t~post8.base, 1 + subseq_#t~post8.offset;havoc subseq_#t~post8.base, subseq_#t~post8.offset; 3#L551-5true [2021-11-09 09:21:01,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:01,537 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-11-09 09:21:01,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:01,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459808577] [2021-11-09 09:21:01,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:01,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:01,718 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:01,803 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:01,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:01,816 INFO L85 PathProgramCache]: Analyzing trace with hash 47815647, now seen corresponding path program 1 times [2021-11-09 09:21:01,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:01,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473157662] [2021-11-09 09:21:01,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:01,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:01,836 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:01,867 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:01,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:01,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1594114490, now seen corresponding path program 1 times [2021-11-09 09:21:01,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:21:01,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069344961] [2021-11-09 09:21:01,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:21:01,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:21:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:01,937 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:21:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:21:01,978 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:21:03,005 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:21:03,006 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:21:03,006 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:21:03,007 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:21:03,007 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:21:03,007 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:03,007 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:21:03,007 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:21:03,007 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-1.i_Iteration1_Lasso [2021-11-09 09:21:03,008 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:21:03,008 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:21:03,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:03,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:21:04,196 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:21:04,201 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:21:04,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 09:21:04,210 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 [2021-11-09 09:21:04,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:04,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:04,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:04,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 09:21:04,290 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 [2021-11-09 09:21:04,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:04,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:04,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:04,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-09 09:21:04,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,325 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,334 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 [2021-11-09 09:21:04,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:04,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:04,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:04,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 09:21:04,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,404 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,410 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 [2021-11-09 09:21:04,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:04,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:04,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:04,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 09:21:04,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-09 09:21:04,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,462 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 09:21:04,467 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 [2021-11-09 09:21:04,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:21:04,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:21:04,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:21:04,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,534 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,542 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 [2021-11-09 09:21:04,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:04,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:04,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 09:21:04,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,590 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 09:21:04,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 09:21:04,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:04,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:04,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 09:21:04,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,678 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,687 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 [2021-11-09 09:21:04,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:21:04,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:21:04,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:21:04,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:21:04,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 09:21:04,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 09:21:04,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 09:21:04,745 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:21:04,808 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-11-09 09:21:04,808 INFO L444 ModelExtractionUtils]: 12 out of 52 variables were initially zero. Simplification set additionally 37 variables to zero. [2021-11-09 09:21:04,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:21:04,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:21:04,822 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:21:04,882 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:21:04,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-09 09:21:04,907 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 09:21:04,907 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:21:04,908 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1, ULTIMATE.start_subseq_~pt~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1 - 1*ULTIMATE.start_subseq_~pt~0.offset Supporting invariants [] [2021-11-09 09:21:04,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:04,998 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2021-11-09 09:21:05,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:21:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:05,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-09 09:21:05,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:21:05,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 09:21:05,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:21:05,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:21:05,200 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 [2021-11-09 09:21:05,202 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:21:05,288 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 47 transitions. Complement of second has 8 states. [2021-11-09 09:21:05,288 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 [2021-11-09 09:21:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:21:05,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2021-11-09 09:21:05,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 5 letters. [2021-11-09 09:21:05,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:05,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 10 letters. Loop has 5 letters. [2021-11-09 09:21:05,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:05,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 10 letters. [2021-11-09 09:21:05,296 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:21:05,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2021-11-09 09:21:05,303 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 09:21:05,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2021-11-09 09:21:05,310 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 09:21:05,311 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 09:21:05,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 09:21:05,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:21:05,312 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:21:05,312 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:21:05,312 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:21:05,312 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 09:21:05,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-09 09:21:05,318 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 09:21:05,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-09 09:21:05,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 09:21:05 BoogieIcfgContainer [2021-11-09 09:21:05,325 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 09:21:05,326 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:21:05,326 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:21:05,326 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:21:05,327 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:21:01" (3/4) ... [2021-11-09 09:21:05,330 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 09:21:05,330 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:21:05,333 INFO L168 Benchmark]: Toolchain (without parser) took 5083.38 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 76.4 MB in the beginning and 57.1 MB in the end (delta: 19.3 MB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:21:05,333 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 113.2 MB. Free memory is still 93.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:21:05,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.32 ms. Allocated memory is still 113.2 MB. Free memory was 76.3 MB in the beginning and 82.4 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:21:05,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.26 ms. Allocated memory is still 113.2 MB. Free memory was 82.4 MB in the beginning and 81.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:21:05,339 INFO L168 Benchmark]: Boogie Preprocessor took 27.70 ms. Allocated memory is still 113.2 MB. Free memory was 81.0 MB in the beginning and 79.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:21:05,344 INFO L168 Benchmark]: RCFGBuilder took 508.75 ms. Allocated memory is still 113.2 MB. Free memory was 79.4 MB in the beginning and 68.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:21:05,345 INFO L168 Benchmark]: BuchiAutomizer took 3951.89 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 68.5 MB in the beginning and 58.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2021-11-09 09:21:05,346 INFO L168 Benchmark]: Witness Printer took 4.74 ms. Allocated memory is still 136.3 MB. Free memory was 58.1 MB in the beginning and 57.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:21:05,354 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 113.2 MB. Free memory is still 93.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 539.32 ms. Allocated memory is still 113.2 MB. Free memory was 76.3 MB in the beginning and 82.4 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.26 ms. Allocated memory is still 113.2 MB. Free memory was 82.4 MB in the beginning and 81.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.70 ms. Allocated memory is still 113.2 MB. Free memory was 81.0 MB in the beginning and 79.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 508.75 ms. Allocated memory is still 113.2 MB. Free memory was 79.4 MB in the beginning and 68.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3951.89 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 68.5 MB in the beginning and 58.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.74 ms. Allocated memory is still 136.3 MB. Free memory was 58.1 MB in the beginning and 57.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 * pt + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. 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: 13 SDtfs, 26 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital222 mio100 ax108 hnf100 lsp89 ukn86 mio100 lsp48 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms 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! [2021-11-09 09:21:05,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-09 09:21:05,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aac6d395-0fad-4553-bfff-d847d31ef947/bin/uautomizer-IVEQpCNsaX/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