./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcpy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF --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 c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:36:35,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:36:35,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:36:35,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:36:35,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:36:35,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:36:35,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:36:35,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:36:35,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:36:35,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:36:35,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:36:35,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:36:35,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:36:35,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:36:35,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:36:35,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:36:35,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:36:35,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:36:35,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:36:35,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:36:35,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:36:35,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:36:35,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:36:35,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:36:35,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:36:35,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:36:35,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:36:35,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:36:35,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:36:35,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:36:35,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:36:35,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:36:35,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:36:35,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:36:35,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:36:35,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:36:35,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:36:35,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:36:35,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:36:35,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:36:35,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:36:35,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 05:36:35,899 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:36:35,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:36:35,909 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:36:35,909 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:36:35,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:36:35,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:36:35,911 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:36:35,911 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 05:36:35,911 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 05:36:35,912 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 05:36:35,912 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 05:36:35,912 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 05:36:35,912 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 05:36:35,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:36:35,913 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 05:36:35,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:36:35,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:36:35,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 05:36:35,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 05:36:35,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 05:36:35,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:36:35,914 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 05:36:35,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:36:35,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 05:36:35,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:36:35,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:36:35,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:36:35,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:36:35,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:36:35,917 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 05:36:35,918 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_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2292e98244edafad4d7dc9607780b552ab07213ed34494d4f4d17ad8279c4d0 [2021-11-20 05:36:36,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:36:36,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:36:36,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:36:36,197 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:36:36,198 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:36:36,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-dietlibc/strlcpy.i [2021-11-20 05:36:36,278 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/data/0243f074f/00c344468b0c4048901e26df5d6e0add/FLAG4a49cc9d6 [2021-11-20 05:36:36,905 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:36:36,905 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/sv-benchmarks/c/termination-dietlibc/strlcpy.i [2021-11-20 05:36:36,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/data/0243f074f/00c344468b0c4048901e26df5d6e0add/FLAG4a49cc9d6 [2021-11-20 05:36:37,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/data/0243f074f/00c344468b0c4048901e26df5d6e0add [2021-11-20 05:36:37,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:36:37,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:36:37,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:36:37,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:36:37,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:36:37,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:36:37" (1/1) ... [2021-11-20 05:36:37,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79de2d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:37, skipping insertion in model container [2021-11-20 05:36:37,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:36:37" (1/1) ... [2021-11-20 05:36:37,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:36:37,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:36:37,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:36:37,606 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:36:37,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:36:37,685 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:36:37,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:37 WrapperNode [2021-11-20 05:36:37,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:36:37,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:36:37,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:36:37,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:36:37,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:37" (1/1) ... [2021-11-20 05:36:37,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:37" (1/1) ... [2021-11-20 05:36:37,759 INFO L137 Inliner]: procedures = 113, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2021-11-20 05:36:37,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:36:37,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:36:37,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:36:37,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:36:37,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:37" (1/1) ... [2021-11-20 05:36:37,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:37" (1/1) ... [2021-11-20 05:36:37,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:37" (1/1) ... [2021-11-20 05:36:37,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:37" (1/1) ... [2021-11-20 05:36:37,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:37" (1/1) ... [2021-11-20 05:36:37,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:37" (1/1) ... [2021-11-20 05:36:37,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:37" (1/1) ... [2021-11-20 05:36:37,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:36:37,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:36:37,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:36:37,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:36:37,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:37" (1/1) ... [2021-11-20 05:36:37,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:37,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:37,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:37,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 05:36:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:36:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:36:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:36:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:36:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:36:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:36:38,023 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:36:38,024 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:36:38,163 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:36:38,169 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:36:38,170 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 05:36:38,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:36:38 BoogieIcfgContainer [2021-11-20 05:36:38,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:36:38,173 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 05:36:38,173 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 05:36:38,176 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 05:36:38,177 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:36:38,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:36:37" (1/3) ... [2021-11-20 05:36:38,179 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4957d0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:36:38, skipping insertion in model container [2021-11-20 05:36:38,179 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:36:38,179 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:37" (2/3) ... [2021-11-20 05:36:38,180 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4957d0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:36:38, skipping insertion in model container [2021-11-20 05:36:38,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:36:38,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:36:38" (3/3) ... [2021-11-20 05:36:38,181 INFO L388 chiAutomizerObserver]: Analyzing ICFG strlcpy.i [2021-11-20 05:36:38,235 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 05:36:38,236 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 05:36:38,236 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 05:36:38,236 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 05:36:38,236 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 05:36:38,236 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 05:36:38,236 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 05:36:38,236 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 05:36:38,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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) [2021-11-20 05:36:38,303 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-20 05:36:38,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:36:38,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:36:38,322 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 05:36:38,322 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 05:36:38,322 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 05:36:38,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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) [2021-11-20 05:36:38,326 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-20 05:36:38,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:36:38,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:36:38,327 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 05:36:38,334 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 05:36:38,353 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~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 11#L530true assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5#L534true assume !(main_~out_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 16#L514true assume strlcpy_#t~short3#1;strlcpy_#t~pre2#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1;strlcpy_#t~short3#1 := 0 != strlcpy_#t~pre2#1 % 18446744073709551616; 21#L514-2true assume strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 9#L515-4true [2021-11-20 05:36:38,353 INFO L793 eck$LassoCheckResult]: Loop: 9#L515-4true strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset := strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_#t~post5#1.base, 1 + strlcpy_#t~post5#1.offset;strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post6#1.base, 1 + strlcpy_#t~post6#1.offset;call strlcpy_#t~mem7#1 := read~int(strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, 1);call write~int(strlcpy_#t~mem7#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, 1); 18#L516true assume !(0 == strlcpy_#t~mem7#1);havoc strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset;havoc strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset;havoc strlcpy_#t~mem7#1; 6#L515-1true strlcpy_#t~pre4#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1; 7#L515-2true assume !!(0 != strlcpy_#t~pre4#1 % 18446744073709551616);havoc strlcpy_#t~pre4#1; 9#L515-4true [2021-11-20 05:36:38,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:38,359 INFO L85 PathProgramCache]: Analyzing trace with hash 889571278, now seen corresponding path program 1 times [2021-11-20 05:36:38,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:38,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263111410] [2021-11-20 05:36:38,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:38,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:38,581 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:38,670 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:38,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:38,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1698155, now seen corresponding path program 1 times [2021-11-20 05:36:38,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:38,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222474939] [2021-11-20 05:36:38,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:38,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:38,702 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:38,725 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:38,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:38,727 INFO L85 PathProgramCache]: Analyzing trace with hash 707592888, now seen corresponding path program 1 times [2021-11-20 05:36:38,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:38,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111182668] [2021-11-20 05:36:38,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:38,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:38,803 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:38,886 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:40,111 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:36:40,111 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:36:40,112 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:36:40,112 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:36:40,112 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:36:40,112 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:40,112 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:36:40,112 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:36:40,112 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration1_Lasso [2021-11-20 05:36:40,113 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:36:40,113 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:36:40,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:40,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:41,475 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:36:41,479 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:36:41,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:41,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:41,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:41,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 05:36:41,497 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 [2021-11-20 05:36:41,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:41,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:36:41,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:41,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:41,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:41,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:36:41,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:36:41,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:41,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:41,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:41,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:41,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:41,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 05:36:41,588 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 [2021-11-20 05:36:41,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:41,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:41,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:41,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:41,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:36:41,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:36:41,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:41,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:41,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:41,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:41,659 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:41,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 05:36:41,660 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 [2021-11-20 05:36:41,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:41,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:36:41,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:41,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:41,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:41,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:36:41,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:36:41,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:41,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:41,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:41,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:41,698 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:41,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 05:36:41,703 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 [2021-11-20 05:36:41,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:41,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:41,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:41,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:41,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:36:41,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:36:41,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:41,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:41,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:41,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:41,805 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:41,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 05:36:41,809 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 [2021-11-20 05:36:41,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:41,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:41,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:41,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:41,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:36:41,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:36:41,852 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:36:41,885 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-20 05:36:41,886 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-11-20 05:36:41,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:41,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:41,900 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:41,924 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:36:41,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 05:36:41,947 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 05:36:41,947 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:36:41,948 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1, ULTIMATE.start_strlcpy_~d~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1 - 1*ULTIMATE.start_strlcpy_~d~0#1.offset Supporting invariants [] [2021-11-20 05:36:42,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:42,069 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-11-20 05:36:42,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:42,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 05:36:42,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:36:42,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:42,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 05:36:42,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:36:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:42,377 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-11-20 05:36:42,379 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2021-11-20 05:36:42,500 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 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 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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 49 states and 71 transitions. Complement of second has 8 states. [2021-11-20 05:36:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 05:36:42,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 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) [2021-11-20 05:36:42,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2021-11-20 05:36:42,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 4 letters. [2021-11-20 05:36:42,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:36:42,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-20 05:36:42,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:36:42,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 6 letters. Loop has 8 letters. [2021-11-20 05:36:42,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:36:42,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 71 transitions. [2021-11-20 05:36:42,526 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 05:36:42,532 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 22 states and 28 transitions. [2021-11-20 05:36:42,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-11-20 05:36:42,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-20 05:36:42,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2021-11-20 05:36:42,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:36:42,535 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-20 05:36:42,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2021-11-20 05:36:42,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2021-11-20 05:36:42,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 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) [2021-11-20 05:36:42,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-11-20 05:36:42,571 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-11-20 05:36:42,571 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-11-20 05:36:42,571 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 05:36:42,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2021-11-20 05:36:42,573 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 05:36:42,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:36:42,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:36:42,574 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:36:42,574 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 05:36:42,575 INFO L791 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 187#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 196#L530 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 188#L534 assume !(main_~out_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 189#L514 assume strlcpy_#t~short3#1;strlcpy_#t~pre2#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1;strlcpy_#t~short3#1 := 0 != strlcpy_#t~pre2#1 % 18446744073709551616; 202#L514-2 assume !strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 194#L514-3 assume 0 == strlcpy_~n~0#1 % 18446744073709551616; 199#L521 assume !(0 != strlcpy_~siz#1 % 18446744073709551616); 200#L523-2 [2021-11-20 05:36:42,575 INFO L793 eck$LassoCheckResult]: Loop: 200#L523-2 strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post8#1.base, 1 + strlcpy_#t~post8#1.offset;call strlcpy_#t~mem9#1 := read~int(strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, 1); 201#L523 assume !!(0 != strlcpy_#t~mem9#1);havoc strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset;havoc strlcpy_#t~mem9#1; 200#L523-2 [2021-11-20 05:36:42,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:42,576 INFO L85 PathProgramCache]: Analyzing trace with hash 179527912, now seen corresponding path program 1 times [2021-11-20 05:36:42,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:42,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481946747] [2021-11-20 05:36:42,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:42,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:42,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:42,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481946747] [2021-11-20 05:36:42,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481946747] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:42,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:42,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:36:42,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377082145] [2021-11-20 05:36:42,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:42,723 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 05:36:42,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:42,724 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 1 times [2021-11-20 05:36:42,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:42,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570365107] [2021-11-20 05:36:42,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:42,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:42,740 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:42,745 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:42,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:42,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:36:42,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:36:42,794 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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) [2021-11-20 05:36:42,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:36:42,867 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2021-11-20 05:36:42,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:36:42,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2021-11-20 05:36:42,871 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-20 05:36:42,877 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 37 transitions. [2021-11-20 05:36:42,877 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-11-20 05:36:42,877 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-11-20 05:36:42,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2021-11-20 05:36:42,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:36:42,878 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-11-20 05:36:42,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2021-11-20 05:36:42,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 20. [2021-11-20 05:36:42,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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) [2021-11-20 05:36:42,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-11-20 05:36:42,883 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-11-20 05:36:42,883 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-11-20 05:36:42,883 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 05:36:42,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-11-20 05:36:42,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 05:36:42,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:36:42,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:36:42,889 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:36:42,889 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 05:36:42,889 INFO L791 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 242#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 251#L530 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 243#L534 assume !(main_~out_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 244#L514 assume !strlcpy_#t~short3#1; 257#L514-2 assume !strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 260#L514-3 assume 0 == strlcpy_~n~0#1 % 18446744073709551616; 259#L521 assume !(0 != strlcpy_~siz#1 % 18446744073709551616); 255#L523-2 [2021-11-20 05:36:42,889 INFO L793 eck$LassoCheckResult]: Loop: 255#L523-2 strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post8#1.base, 1 + strlcpy_#t~post8#1.offset;call strlcpy_#t~mem9#1 := read~int(strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, 1); 256#L523 assume !!(0 != strlcpy_#t~mem9#1);havoc strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset;havoc strlcpy_#t~mem9#1; 255#L523-2 [2021-11-20 05:36:42,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:42,890 INFO L85 PathProgramCache]: Analyzing trace with hash 179587494, now seen corresponding path program 1 times [2021-11-20 05:36:42,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:42,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793119560] [2021-11-20 05:36:42,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:42,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:42,916 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:42,942 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:42,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:42,942 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 2 times [2021-11-20 05:36:42,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:42,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244579092] [2021-11-20 05:36:42,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:42,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:42,948 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:42,961 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:42,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:42,961 INFO L85 PathProgramCache]: Analyzing trace with hash 784891691, now seen corresponding path program 1 times [2021-11-20 05:36:42,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:42,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361943626] [2021-11-20 05:36:42,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:42,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:42,984 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:43,014 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:43,660 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:36:43,661 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:36:43,661 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:36:43,661 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:36:43,661 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:36:43,661 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:43,661 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:36:43,661 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:36:43,661 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration3_Lasso [2021-11-20 05:36:43,661 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:36:43,662 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:36:43,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:43,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:44,434 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:36:44,434 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:36:44,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:44,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:44,440 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:44,443 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 [2021-11-20 05:36:44,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:44,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:36:44,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:44,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:44,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:44,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:36:44,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:36:44,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 05:36:44,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:44,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:44,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:44,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:44,510 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:44,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 05:36:44,516 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 [2021-11-20 05:36:44,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:44,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:36:44,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:44,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:44,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:44,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:36:44,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:36:44,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:44,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:44,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:44,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:44,580 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:44,589 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 [2021-11-20 05:36:44,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 05:36:44,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:44,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:44,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:44,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:44,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:36:44,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:36:44,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:44,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:44,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:44,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:44,657 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:44,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 05:36:44,665 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 [2021-11-20 05:36:44,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:44,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:36:44,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:44,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:44,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:44,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:36:44,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:36:44,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:44,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:44,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:44,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:44,696 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:44,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 05:36:44,698 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 [2021-11-20 05:36:44,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:44,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:36:44,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:44,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:44,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:44,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:36:44,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:36:44,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:44,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-11-20 05:36:44,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:44,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:44,726 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:44,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 05:36:44,728 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 [2021-11-20 05:36:44,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:44,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:36:44,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:44,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:44,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:44,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:36:44,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:36:44,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:44,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:44,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:44,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:44,760 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:44,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 05:36:44,762 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 [2021-11-20 05:36:44,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:44,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:36:44,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:44,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:44,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:44,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:36:44,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:36:44,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:44,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:44,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:44,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:44,794 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:44,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 05:36:44,795 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 [2021-11-20 05:36:44,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:44,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:44,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:44,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:44,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:36:44,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:36:44,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:44,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:44,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:44,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:44,884 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:44,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 05:36:44,886 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 [2021-11-20 05:36:44,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:44,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:36:44,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:44,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:44,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:44,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:36:44,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:36:44,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:44,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:44,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:44,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:44,951 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:44,957 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 [2021-11-20 05:36:44,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:44,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:36:44,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:44,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:44,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:44,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:36:44,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:36:44,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 05:36:44,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:45,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:45,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:45,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:45,016 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:45,023 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 [2021-11-20 05:36:45,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:45,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:36:45,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:45,033 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:36:45,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:45,034 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:36:45,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:36:45,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 05:36:45,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:45,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:45,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:45,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:45,083 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:45,093 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 [2021-11-20 05:36:45,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:45,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:45,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:45,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:45,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 05:36:45,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:36:45,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:36:45,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:45,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:45,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:45,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:45,192 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:45,201 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 [2021-11-20 05:36:45,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 05:36:45,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:45,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:45,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:45,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:45,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:36:45,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:36:45,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:45,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:45,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:45,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:45,264 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:45,273 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 [2021-11-20 05:36:45,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:45,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:45,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:45,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:45,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:36:45,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:36:45,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 05:36:45,316 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:36:45,355 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-11-20 05:36:45,356 INFO L444 ModelExtractionUtils]: 9 out of 37 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-11-20 05:36:45,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:45,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:45,357 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:45,359 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:36:45,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 05:36:45,383 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 05:36:45,384 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:36:45,384 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcpy_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2) = -1*ULTIMATE.start_strlcpy_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2 Supporting invariants [] [2021-11-20 05:36:45,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:45,422 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2021-11-20 05:36:45,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:45,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 05:36:45,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:36:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:45,507 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 05:36:45,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:36:45,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:45,539 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 05:36:45,539 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8 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) [2021-11-20 05:36:45,568 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8. 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 24 states and 30 transitions. Complement of second has 5 states. [2021-11-20 05:36:45,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 05:36:45,570 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) [2021-11-20 05:36:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-11-20 05:36:45,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2021-11-20 05:36:45,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:36:45,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-20 05:36:45,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:36:45,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2021-11-20 05:36:45,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:36:45,571 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-11-20 05:36:45,572 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 05:36:45,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 25 transitions. [2021-11-20 05:36:45,573 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-11-20 05:36:45,573 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-11-20 05:36:45,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2021-11-20 05:36:45,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:36:45,574 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-11-20 05:36:45,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2021-11-20 05:36:45,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2021-11-20 05:36:45,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:45,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-11-20 05:36:45,576 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-11-20 05:36:45,576 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-11-20 05:36:45,576 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 05:36:45,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2021-11-20 05:36:45,577 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 05:36:45,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:36:45,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:36:45,577 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:36:45,577 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 05:36:45,578 INFO L791 eck$LassoCheckResult]: Stem: 370#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 371#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 380#L530 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~out_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 376#L534 assume !(main_~out_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;assume { :begin_inline_strlcpy } true;strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset, strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset, strlcpy_#in~siz#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset, main_~out_len~0#1;havoc strlcpy_#res#1;havoc strlcpy_#t~pre2#1, strlcpy_#t~short3#1, strlcpy_#t~post5#1.base, strlcpy_#t~post5#1.offset, strlcpy_#t~post6#1.base, strlcpy_#t~post6#1.offset, strlcpy_#t~mem7#1, strlcpy_#t~pre4#1, strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, strlcpy_#t~mem9#1, strlcpy_~dst#1.base, strlcpy_~dst#1.offset, strlcpy_~src#1.base, strlcpy_~src#1.offset, strlcpy_~siz#1, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset, strlcpy_~n~0#1;strlcpy_~dst#1.base, strlcpy_~dst#1.offset := strlcpy_#in~dst#1.base, strlcpy_#in~dst#1.offset;strlcpy_~src#1.base, strlcpy_~src#1.offset := strlcpy_#in~src#1.base, strlcpy_#in~src#1.offset;strlcpy_~siz#1 := strlcpy_#in~siz#1;strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset := strlcpy_~dst#1.base, strlcpy_~dst#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_~src#1.base, strlcpy_~src#1.offset;strlcpy_~n~0#1 := strlcpy_~siz#1;strlcpy_#t~short3#1 := 0 != strlcpy_~n~0#1 % 18446744073709551616; 377#L514 assume strlcpy_#t~short3#1;strlcpy_#t~pre2#1 := strlcpy_~n~0#1 - 1;strlcpy_~n~0#1 := strlcpy_~n~0#1 - 1;strlcpy_#t~short3#1 := 0 != strlcpy_#t~pre2#1 % 18446744073709551616; 386#L514-2 assume !strlcpy_#t~short3#1;havoc strlcpy_#t~pre2#1;havoc strlcpy_#t~short3#1; 378#L514-3 assume 0 == strlcpy_~n~0#1 % 18446744073709551616; 383#L521 assume 0 != strlcpy_~siz#1 % 18446744073709551616;call write~int(0, strlcpy_~d~0#1.base, strlcpy_~d~0#1.offset, 1); 384#L523-2 [2021-11-20 05:36:45,578 INFO L793 eck$LassoCheckResult]: Loop: 384#L523-2 strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset := strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset;strlcpy_~s~0#1.base, strlcpy_~s~0#1.offset := strlcpy_#t~post8#1.base, 1 + strlcpy_#t~post8#1.offset;call strlcpy_#t~mem9#1 := read~int(strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset, 1); 385#L523 assume !!(0 != strlcpy_#t~mem9#1);havoc strlcpy_#t~post8#1.base, strlcpy_#t~post8#1.offset;havoc strlcpy_#t~mem9#1; 384#L523-2 [2021-11-20 05:36:45,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:45,578 INFO L85 PathProgramCache]: Analyzing trace with hash 179527910, now seen corresponding path program 1 times [2021-11-20 05:36:45,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:45,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178648196] [2021-11-20 05:36:45,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:45,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:45,592 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:45,606 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:45,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:45,607 INFO L85 PathProgramCache]: Analyzing trace with hash 2758, now seen corresponding path program 3 times [2021-11-20 05:36:45,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:45,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946085195] [2021-11-20 05:36:45,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:45,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:45,611 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:45,614 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:45,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:45,614 INFO L85 PathProgramCache]: Analyzing trace with hash 727631467, now seen corresponding path program 1 times [2021-11-20 05:36:45,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:45,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149872829] [2021-11-20 05:36:45,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:45,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:45,627 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:45,642 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:46,493 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:36:46,493 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:36:46,493 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:36:46,493 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:36:46,493 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:36:46,494 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:46,494 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:36:46,494 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:36:46,494 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcpy.i_Iteration4_Lasso [2021-11-20 05:36:46,494 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:36:46,494 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:36:46,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:46,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:46,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:36:47,397 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:36:47,397 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:36:47,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:47,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:47,403 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:47,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 05:36:47,405 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 [2021-11-20 05:36:47,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:47,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:36:47,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:47,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:47,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:47,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:36:47,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:36:47,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:47,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:47,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:47,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:47,449 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:47,451 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 [2021-11-20 05:36:47,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 05:36:47,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:47,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:47,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:47,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:47,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:36:47,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:36:47,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:47,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-20 05:36:47,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:47,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:47,484 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:47,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 05:36:47,486 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 [2021-11-20 05:36:47,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:47,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:36:47,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:47,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:47,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:47,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:36:47,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:36:47,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:47,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:47,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:47,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:47,557 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:47,564 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 [2021-11-20 05:36:47,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:47,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:36:47,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:47,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:47,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:47,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:36:47,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:36:47,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 05:36:47,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:36:47,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:47,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:47,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:47,598 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:47,601 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 [2021-11-20 05:36:47,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 05:36:47,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:36:47,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:36:47,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:36:47,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:36:47,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:36:47,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:36:47,656 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:36:47,687 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-11-20 05:36:47,687 INFO L444 ModelExtractionUtils]: 13 out of 52 variables were initially zero. Simplification set additionally 36 variables to zero. [2021-11-20 05:36:47,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:47,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:47,692 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:47,694 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:36:47,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 05:36:47,721 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 05:36:47,721 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:36:47,721 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_3, ULTIMATE.start_strlcpy_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_3 - 1*ULTIMATE.start_strlcpy_~s~0#1.offset Supporting invariants [] [2021-11-20 05:36:47,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:47,789 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-11-20 05:36:47,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:47,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 05:36:47,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:36:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:47,880 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 05:36:47,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:36:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:47,922 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 05:36:47,922 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 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) [2021-11-20 05:36:47,951 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. 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 19 states and 23 transitions. Complement of second has 5 states. [2021-11-20 05:36:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 05:36:47,953 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) [2021-11-20 05:36:47,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-11-20 05:36:47,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 2 letters. [2021-11-20 05:36:47,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:36:47,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-20 05:36:47,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:36:47,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 8 letters. Loop has 4 letters. [2021-11-20 05:36:47,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:36:47,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-11-20 05:36:47,958 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:36:47,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-11-20 05:36:47,958 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 05:36:47,958 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 05:36:47,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 05:36:47,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:47,959 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:36:47,959 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:36:47,959 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:36:47,959 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 05:36:47,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 05:36:47,959 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:36:47,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 05:36:47,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:36:47 BoogieIcfgContainer [2021-11-20 05:36:47,967 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 05:36:47,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:36:47,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:36:47,968 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:36:47,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:36:38" (3/4) ... [2021-11-20 05:36:47,974 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:36:47,974 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:36:47,984 INFO L158 Benchmark]: Toolchain (without parser) took 10786.95ms. Allocated memory was 113.2MB in the beginning and 176.2MB in the end (delta: 62.9MB). Free memory was 82.3MB in the beginning and 63.8MB in the end (delta: 18.5MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2021-11-20 05:36:47,986 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory was 66.5MB in the beginning and 66.4MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:36:47,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.91ms. Allocated memory was 113.2MB in the beginning and 146.8MB in the end (delta: 33.6MB). Free memory was 82.0MB in the beginning and 115.2MB in the end (delta: -33.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 05:36:47,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.81ms. Allocated memory is still 146.8MB. Free memory was 115.2MB in the beginning and 113.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:36:47,988 INFO L158 Benchmark]: Boogie Preprocessor took 55.90ms. Allocated memory is still 146.8MB. Free memory was 113.1MB in the beginning and 111.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:36:47,989 INFO L158 Benchmark]: RCFGBuilder took 355.44ms. Allocated memory is still 146.8MB. Free memory was 111.6MB in the beginning and 100.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 05:36:47,989 INFO L158 Benchmark]: BuchiAutomizer took 9794.00ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 99.6MB in the beginning and 63.8MB in the end (delta: 35.8MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2021-11-20 05:36:47,989 INFO L158 Benchmark]: Witness Printer took 7.41ms. Allocated memory is still 176.2MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:36:47,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory was 66.5MB in the beginning and 66.4MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.91ms. Allocated memory was 113.2MB in the beginning and 146.8MB in the end (delta: 33.6MB). Free memory was 82.0MB in the beginning and 115.2MB in the end (delta: -33.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.81ms. Allocated memory is still 146.8MB. Free memory was 115.2MB in the beginning and 113.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.90ms. Allocated memory is still 146.8MB. Free memory was 113.1MB in the beginning and 111.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.44ms. Allocated memory is still 146.8MB. Free memory was 111.6MB in the beginning and 100.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 9794.00ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 99.6MB in the beginning and 63.8MB in the end (delta: 35.8MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * Witness Printer took 7.41ms. Allocated memory is still 176.2MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * d and consists of 6 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 4 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.7s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 8.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 120 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 79 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital201 mio100 ax100 hnf100 lsp96 ukn90 mio100 lsp41 div182 bol100 ite100 ukn100 eq174 hnf68 smp95 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms 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! [2021-11-20 05:36:48,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 05:36:48,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58490400-5a9b-4167-9452-c4cbfb8264f2/bin/uautomizer-DQz5hQGWxF/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