./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strcat_short.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strcat_short.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD --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 158b8eceb7a2c63c12c3387b55d354bdd17828549d94e13b163dfb4b9ee8e19c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:30:00,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:30:00,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:30:00,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:30:00,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:30:00,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:30:00,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:30:00,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:30:00,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:30:00,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:30:00,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:30:00,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:30:00,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:30:00,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:30:00,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:30:00,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:30:00,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:30:00,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:30:00,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:30:00,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:30:00,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:30:00,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:30:00,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:30:00,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:30:00,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:30:00,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:30:00,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:30:00,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:30:00,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:30:00,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:30:00,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:30:00,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:30:00,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:30:00,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:30:00,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:30:00,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:30:00,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:30:00,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:30:00,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:30:00,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:30:00,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:30:00,138 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:30:00,186 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:30:00,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:30:00,187 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:30:00,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:30:00,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:30:00,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:30:00,189 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:30:00,189 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:30:00,189 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:30:00,190 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:30:00,191 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:30:00,191 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:30:00,191 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:30:00,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:30:00,192 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:30:00,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:30:00,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:30:00,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:30:00,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:30:00,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:30:00,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:30:00,193 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:30:00,193 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:30:00,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:30:00,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:30:00,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:30:00,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:30:00,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:30:00,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:30:00,197 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:30:00,197 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_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 158b8eceb7a2c63c12c3387b55d354bdd17828549d94e13b163dfb4b9ee8e19c [2021-10-28 23:30:00,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:30:00,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:30:00,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:30:00,490 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:30:00,491 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:30:00,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-dietlibc/strcat_short.i [2021-10-28 23:30:00,580 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/data/83756af28/b9bdefd7552b45209f3de46d4d6fe275/FLAGd92eb3b72 [2021-10-28 23:30:01,003 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:30:01,004 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/sv-benchmarks/c/termination-dietlibc/strcat_short.i [2021-10-28 23:30:01,017 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/data/83756af28/b9bdefd7552b45209f3de46d4d6fe275/FLAGd92eb3b72 [2021-10-28 23:30:01,340 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/data/83756af28/b9bdefd7552b45209f3de46d4d6fe275 [2021-10-28 23:30:01,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:30:01,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:30:01,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:30:01,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:30:01,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:30:01,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:30:01" (1/1) ... [2021-10-28 23:30:01,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd5013e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:01, skipping insertion in model container [2021-10-28 23:30:01,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:30:01" (1/1) ... [2021-10-28 23:30:01,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:30:01,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:30:01,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:30:01,688 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:30:01,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:30:01,773 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:30:01,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:01 WrapperNode [2021-10-28 23:30:01,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:30:01,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:30:01,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:30:01,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:30:01,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:01" (1/1) ... [2021-10-28 23:30:01,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:01" (1/1) ... [2021-10-28 23:30:01,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:30:01,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:30:01,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:30:01,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:30:01,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:01" (1/1) ... [2021-10-28 23:30:01,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:01" (1/1) ... [2021-10-28 23:30:01,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:01" (1/1) ... [2021-10-28 23:30:01,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:01" (1/1) ... [2021-10-28 23:30:01,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:01" (1/1) ... [2021-10-28 23:30:01,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:01" (1/1) ... [2021-10-28 23:30:01,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:01" (1/1) ... [2021-10-28 23:30:01,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:30:01,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:30:01,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:30:01,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:30:01,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:01" (1/1) ... [2021-10-28 23:30:01,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:01,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:01,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:01,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:30:02,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:30:02,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:30:02,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:30:02,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:30:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:30:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:30:02,265 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:30:02,265 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-28 23:30:02,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:30:02 BoogieIcfgContainer [2021-10-28 23:30:02,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:30:02,269 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:30:02,269 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:30:02,273 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:30:02,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:30:02,279 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:30:01" (1/3) ... [2021-10-28 23:30:02,281 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6524cc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:30:02, skipping insertion in model container [2021-10-28 23:30:02,286 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:30:02,286 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:01" (2/3) ... [2021-10-28 23:30:02,287 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6524cc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:30:02, skipping insertion in model container [2021-10-28 23:30:02,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:30:02,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:30:02" (3/3) ... [2021-10-28 23:30:02,288 INFO L389 chiAutomizerObserver]: Analyzing ICFG strcat_short.i [2021-10-28 23:30:02,380 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:30:02,392 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:30:02,392 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:30:02,392 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:30:02,393 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:30:02,393 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:30:02,393 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:30:02,393 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:30:02,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 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) [2021-10-28 23:30:02,442 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 23:30:02,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:30:02,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:30:02,449 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:30:02,449 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:30:02,449 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:30:02,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 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) [2021-10-28 23:30:02,454 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 23:30:02,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:30:02,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:30:02,456 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:30:02,456 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:30:02,465 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out_end~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet9;havoc main_#t~nondet9; 10#L523true assume !(main_~in_len~0 < 1);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet11;havoc main_#t~nondet11; 9#L527true assume !(main_~out_len~0 < 1);main_~out_end~0 := main_#t~nondet12;havoc main_#t~nondet12; 6#L529true assume !(main_~out_len~0 < main_~out_end~0 + main_~in_len~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + main_~out_end~0, 1);strcat_#in~s.base, strcat_#in~s.offset, strcat_#in~t.base, strcat_#in~t.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcat_#res.base, strcat_#res.offset;havoc strcat_#t~ret5, strcat_#t~mem6, strcat_#t~pre7.base, strcat_#t~pre7.offset, strcat_#t~pre8.base, strcat_#t~pre8.offset, strcat_~s.base, strcat_~s.offset, strcat_~t.base, strcat_~t.offset, strcat_~dest~0.base, strcat_~dest~0.offset;strcat_~s.base, strcat_~s.offset := strcat_#in~s.base, strcat_#in~s.offset;strcat_~t.base, strcat_~t.offset := strcat_#in~t.base, strcat_#in~t.offset;strcat_~dest~0.base, strcat_~dest~0.offset := strcat_~s.base, strcat_~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strcat_~s.base, strcat_~s.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 14#L508true assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 12#L509-4true [2021-10-28 23:30:02,466 INFO L793 eck$LassoCheckResult]: Loop: 12#L509-4true call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 16#L509-1true assume !!(0 != strlen_#t~mem4);havoc strlen_#t~mem4;strlen_#t~pre3 := 1 + strlen_~i~0;strlen_~i~0 := 1 + strlen_~i~0;havoc strlen_#t~pre3; 11#L509-3true strlen_#t~pre2.base, strlen_#t~pre2.offset := strlen_~s.base, 1 + strlen_~s.offset;strlen_~s.base, strlen_~s.offset := strlen_~s.base, 1 + strlen_~s.offset;havoc strlen_#t~pre2.base, strlen_#t~pre2.offset; 12#L509-4true [2021-10-28 23:30:02,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:02,499 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2021-10-28 23:30:02,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:30:02,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614359610] [2021-10-28 23:30:02,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:30:02,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:30:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:02,690 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:30:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:02,779 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:30:02,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:02,796 INFO L85 PathProgramCache]: Analyzing trace with hash 55771, now seen corresponding path program 1 times [2021-10-28 23:30:02,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:30:02,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228222060] [2021-10-28 23:30:02,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:30:02,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:30:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:02,805 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:30:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:02,828 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:30:02,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:02,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1271629391, now seen corresponding path program 1 times [2021-10-28 23:30:02,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:30:02,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818516161] [2021-10-28 23:30:02,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:30:02,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:30:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:02,882 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:30:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:02,947 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:30:03,934 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:30:03,935 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:30:03,935 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:30:03,935 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:30:03,935 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:30:03,935 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:03,935 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:30:03,936 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:30:03,936 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat_short.i_Iteration1_Lasso [2021-10-28 23:30:03,936 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:30:03,936 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:30:03,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:03,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:03,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:03,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:03,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:03,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:03,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:03,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:03,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:03,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:03,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:03,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:04,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:04,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:04,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:04,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:04,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:04,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:04,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:04,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:04,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:04,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:04,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:04,904 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:30:04,908 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:30:04,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:04,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:04,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:04,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:30:04,929 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 [2021-10-28 23:30:04,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:04,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:04,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:04,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:04,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:04,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:04,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:04,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:04,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:04,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:04,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:04,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:04,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:30:04,987 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 [2021-10-28 23:30:04,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:04,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:04,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:04,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:04,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:04,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:04,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:05,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:05,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,026 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:30:05,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:30:05,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:30:05,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:30:05,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:05,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,094 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:30:05,096 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 [2021-10-28 23:30:05,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:05,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:05,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:05,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:05,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,137 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:30:05,140 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 [2021-10-28 23:30:05,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:05,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:05,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:05,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:05,210 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,214 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:30:05,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:05,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:05,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:05,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:30:05,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:05,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,284 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:30:05,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:30:05,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:30:05,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:30:05,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:05,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,360 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,365 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 [2021-10-28 23:30:05,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:05,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:05,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:05,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:30:05,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:05,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,411 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:30:05,413 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 [2021-10-28 23:30:05,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:05,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:05,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:05,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:05,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,470 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:30:05,473 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 [2021-10-28 23:30:05,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:30:05,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:30:05,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:05,529 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,536 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:30:05,539 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 [2021-10-28 23:30:05,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:05,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:05,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:05,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:05,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,579 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:30:05,583 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 [2021-10-28 23:30:05,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:30:05,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:30:05,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-28 23:30:05,638 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,639 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:30:05,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:30:05,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:30:05,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:30:05,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-28 23:30:05,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,696 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:30:05,697 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 [2021-10-28 23:30:05,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:30:05,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:30:05,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:05,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,745 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:30:05,746 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 [2021-10-28 23:30:05,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:30:05,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:30:05,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:05,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,819 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,826 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 [2021-10-28 23:30:05,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:05,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,836 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:30:05,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,837 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:30:05,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:05,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:30:05,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:05,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,882 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:30:05,884 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 [2021-10-28 23:30:05,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:30:05,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:30:05,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:05,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:05,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:05,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:05,918 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:05,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:30:05,923 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 [2021-10-28 23:30:05,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:05,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:05,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:05,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:05,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:30:05,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:30:05,986 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:30:06,040 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 23:30:06,041 INFO L444 ModelExtractionUtils]: 16 out of 55 variables were initially zero. Simplification set additionally 36 variables to zero. [2021-10-28 23:30:06,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:06,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:06,062 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:06,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:30:06,113 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:30:06,135 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:30:06,136 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:30:06,136 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlen_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1) = -1*ULTIMATE.start_strlen_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1 Supporting invariants [] [2021-10-28 23:30:06,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:06,238 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-10-28 23:30:06,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:30:06,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 23:30:06,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:30:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:30:06,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:30:06,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:30:06,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:30:06,420 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 [2021-10-28 23:30:06,421 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 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) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2021-10-28 23:30:06,527 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 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). Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 45 states and 60 transitions. Complement of second has 8 states. [2021-10-28 23:30:06,528 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 [2021-10-28 23:30:06,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2021-10-28 23:30:06,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2021-10-28 23:30:06,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-28 23:30:06,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:30:06,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 9 letters. Loop has 3 letters. [2021-10-28 23:30:06,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:30:06,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 6 letters. Loop has 6 letters. [2021-10-28 23:30:06,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:30:06,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2021-10-28 23:30:06,544 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 23:30:06,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 18 states and 21 transitions. [2021-10-28 23:30:06,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 23:30:06,551 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-28 23:30:06,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-10-28 23:30:06,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:30:06,552 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-28 23:30:06,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-10-28 23:30:06,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2021-10-28 23:30:06,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 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) [2021-10-28 23:30:06,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-10-28 23:30:06,577 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-10-28 23:30:06,577 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-10-28 23:30:06,577 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:30:06,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2021-10-28 23:30:06,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:30:06,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:30:06,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:30:06,580 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:30:06,580 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:30:06,580 INFO L791 eck$LassoCheckResult]: Stem: 162#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 163#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out_end~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet9;havoc main_#t~nondet9; 166#L523 assume !(main_~in_len~0 < 1);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet11;havoc main_#t~nondet11; 167#L527 assume !(main_~out_len~0 < 1);main_~out_end~0 := main_#t~nondet12;havoc main_#t~nondet12; 164#L529 assume !(main_~out_len~0 < main_~out_end~0 + main_~in_len~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + main_~out_end~0, 1);strcat_#in~s.base, strcat_#in~s.offset, strcat_#in~t.base, strcat_#in~t.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcat_#res.base, strcat_#res.offset;havoc strcat_#t~ret5, strcat_#t~mem6, strcat_#t~pre7.base, strcat_#t~pre7.offset, strcat_#t~pre8.base, strcat_#t~pre8.offset, strcat_~s.base, strcat_~s.offset, strcat_~t.base, strcat_~t.offset, strcat_~dest~0.base, strcat_~dest~0.offset;strcat_~s.base, strcat_~s.offset := strcat_#in~s.base, strcat_#in~s.offset;strcat_~t.base, strcat_~t.offset := strcat_#in~t.base, strcat_#in~t.offset;strcat_~dest~0.base, strcat_~dest~0.offset := strcat_~s.base, strcat_~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strcat_~s.base, strcat_~s.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 165#L508 assume strlen_~s.base == 0 && strlen_~s.offset == 0;strlen_#res := 0; 174#L510 strcat_#t~ret5 := strlen_#res;strcat_~s.base, strcat_~s.offset := strcat_~s.base, strcat_~s.offset + strcat_#t~ret5;havoc strcat_#t~ret5; 175#L516-2 [2021-10-28 23:30:06,581 INFO L793 eck$LassoCheckResult]: Loop: 175#L516-2 assume !false;call strcat_#t~mem6 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem6, strcat_~s.base, strcat_~s.offset, 1); 176#L517 assume !(0 == strcat_#t~mem6);havoc strcat_#t~mem6;strcat_#t~pre7.base, strcat_#t~pre7.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre7.base, strcat_#t~pre7.offset;strcat_#t~pre8.base, strcat_#t~pre8.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre8.base, strcat_#t~pre8.offset; 175#L516-2 [2021-10-28 23:30:06,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:06,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907772, now seen corresponding path program 1 times [2021-10-28 23:30:06,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:30:06,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146826181] [2021-10-28 23:30:06,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:30:06,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:30:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:30:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:30:06,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:30:06,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146826181] [2021-10-28 23:30:06,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146826181] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:30:06,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:30:06,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:30:06,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116628088] [2021-10-28 23:30:06,686 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:30:06,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:06,686 INFO L85 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 1 times [2021-10-28 23:30:06,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:30:06,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996667242] [2021-10-28 23:30:06,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:30:06,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:30:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:06,692 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:30:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:06,703 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:30:06,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:30:06,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:30:06,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:30:06,849 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-10-28 23:30:06,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:30:06,876 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2021-10-28 23:30:06,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:30:06,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2021-10-28 23:30:06,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:30:06,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 17 transitions. [2021-10-28 23:30:06,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 23:30:06,879 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-28 23:30:06,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2021-10-28 23:30:06,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:30:06,880 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-28 23:30:06,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2021-10-28 23:30:06,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-10-28 23:30:06,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 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) [2021-10-28 23:30:06,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-10-28 23:30:06,883 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-28 23:30:06,883 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-28 23:30:06,883 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:30:06,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2021-10-28 23:30:06,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:06,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:30:06,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:30:06,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:30:06,886 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:30:06,886 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:30:06,886 INFO L791 eck$LassoCheckResult]: Stem: 201#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 202#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out_end~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet9;havoc main_#t~nondet9; 205#L523 assume !(main_~in_len~0 < 1);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet11;havoc main_#t~nondet11; 206#L527 assume !(main_~out_len~0 < 1);main_~out_end~0 := main_#t~nondet12;havoc main_#t~nondet12; 203#L529 assume !(main_~out_len~0 < main_~out_end~0 + main_~in_len~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + main_~out_end~0, 1);strcat_#in~s.base, strcat_#in~s.offset, strcat_#in~t.base, strcat_#in~t.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcat_#res.base, strcat_#res.offset;havoc strcat_#t~ret5, strcat_#t~mem6, strcat_#t~pre7.base, strcat_#t~pre7.offset, strcat_#t~pre8.base, strcat_#t~pre8.offset, strcat_~s.base, strcat_~s.offset, strcat_~t.base, strcat_~t.offset, strcat_~dest~0.base, strcat_~dest~0.offset;strcat_~s.base, strcat_~s.offset := strcat_#in~s.base, strcat_#in~s.offset;strcat_~t.base, strcat_~t.offset := strcat_#in~t.base, strcat_#in~t.offset;strcat_~dest~0.base, strcat_~dest~0.offset := strcat_~s.base, strcat_~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strcat_~s.base, strcat_~s.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 204#L508 assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 209#L509-4 call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 210#L509-1 assume !(0 != strlen_#t~mem4);havoc strlen_#t~mem4; 212#L509-5 strlen_#res := strlen_~i~0; 213#L510 strcat_#t~ret5 := strlen_#res;strcat_~s.base, strcat_~s.offset := strcat_~s.base, strcat_~s.offset + strcat_#t~ret5;havoc strcat_#t~ret5; 214#L516-2 [2021-10-28 23:30:06,887 INFO L793 eck$LassoCheckResult]: Loop: 214#L516-2 assume !false;call strcat_#t~mem6 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem6, strcat_~s.base, strcat_~s.offset, 1); 215#L517 assume !(0 == strcat_#t~mem6);havoc strcat_#t~mem6;strcat_#t~pre7.base, strcat_#t~pre7.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre7.base, strcat_#t~pre7.offset;strcat_#t~pre8.base, strcat_#t~pre8.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre8.base, strcat_#t~pre8.offset; 214#L516-2 [2021-10-28 23:30:06,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:06,887 INFO L85 PathProgramCache]: Analyzing trace with hash 765803698, now seen corresponding path program 1 times [2021-10-28 23:30:06,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:30:06,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627501474] [2021-10-28 23:30:06,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:30:06,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:30:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:06,917 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:30:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:06,964 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:30:06,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:06,965 INFO L85 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 2 times [2021-10-28 23:30:06,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:30:06,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12030237] [2021-10-28 23:30:06,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:30:06,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:30:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:06,970 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:30:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:06,975 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:30:06,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:06,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1497947671, now seen corresponding path program 1 times [2021-10-28 23:30:06,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:30:06,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838677109] [2021-10-28 23:30:06,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:30:06,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:30:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:06,994 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:30:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:07,018 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:30:07,979 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:30:07,979 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:30:07,979 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:30:07,979 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:30:07,980 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:30:07,980 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:07,980 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:30:07,980 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:30:07,980 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat_short.i_Iteration3_Lasso [2021-10-28 23:30:07,980 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:30:07,980 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:30:07,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:07,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:07,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:07,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:07,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:07,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:08,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:30:09,158 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:30:09,158 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:30:09,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,159 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:30:09,170 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 [2021-10-28 23:30:09,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:09,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:09,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:09,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:09,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:09,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,229 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,231 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 [2021-10-28 23:30:09,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:09,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:09,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:09,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:30:09,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:09,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:09,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,286 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,288 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 [2021-10-28 23:30:09,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:30:09,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:09,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:09,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:09,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:09,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-28 23:30:09,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,321 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:30:09,328 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 [2021-10-28 23:30:09,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:09,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:09,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:09,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:09,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-28 23:30:09,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,359 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 23:30:09,361 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 [2021-10-28 23:30:09,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:09,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:09,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:09,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:09,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:09,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,407 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 23:30:09,409 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 [2021-10-28 23:30:09,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,418 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:30:09,418 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:30:09,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:09,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:09,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,449 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 23:30:09,450 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 [2021-10-28 23:30:09,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:09,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:09,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:09,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:09,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:09,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,497 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,499 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 [2021-10-28 23:30:09,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 23:30:09,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:09,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:09,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:09,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:09,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-28 23:30:09,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,528 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 23:30:09,530 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 [2021-10-28 23:30:09,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:09,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:09,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:09,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:09,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-28 23:30:09,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,559 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 23:30:09,560 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 [2021-10-28 23:30:09,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:09,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:09,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:09,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:09,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:09,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,589 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 23:30:09,590 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 [2021-10-28 23:30:09,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:30:09,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:30:09,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:30:09,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:09,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:09,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,619 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 23:30:09,620 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 [2021-10-28 23:30:09,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:30:09,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:30:09,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:09,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-28 23:30:09,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,673 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:30:09,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,700 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:30:09,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:30:09,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 23:30:09,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:09,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:09,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,759 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,760 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 [2021-10-28 23:30:09,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:30:09,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:30:09,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 23:30:09,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:30:09,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:09,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,814 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 23:30:09,816 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 [2021-10-28 23:30:09,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:30:09,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:30:09,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:30:09,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:30:09,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:30:09,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:30:09,874 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:30:09,930 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-28 23:30:09,931 INFO L444 ModelExtractionUtils]: 44 out of 64 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-28 23:30:09,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:09,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:09,934 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:09,939 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:30:09,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 23:30:09,966 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:30:09,966 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:30:09,967 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcat_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_2) = -1*ULTIMATE.start_strcat_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_2 Supporting invariants [] [2021-10-28 23:30:09,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:10,062 INFO L297 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2021-10-28 23:30:10,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:30:10,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 23:30:10,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:30:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:30:10,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:30:10,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:30:10,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:30:10,238 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 [2021-10-28 23:30:10,238 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-10-28 23:30:10,287 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 17 states and 20 transitions. Complement of second has 6 states. [2021-10-28 23:30:10,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:30:10,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-10-28 23:30:10,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-10-28 23:30:10,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-28 23:30:10,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:30:10,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 12 letters. Loop has 2 letters. [2021-10-28 23:30:10,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:30:10,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-28 23:30:10,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:30:10,290 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2021-10-28 23:30:10,297 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:30:10,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2021-10-28 23:30:10,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:30:10,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:30:10,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:30:10,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:30:10,299 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:30:10,299 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:30:10,299 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:30:10,299 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:30:10,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:30:10,299 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:30:10,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:30:10,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:30:10 BoogieIcfgContainer [2021-10-28 23:30:10,305 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:30:10,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:30:10,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:30:10,306 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:30:10,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:30:02" (3/4) ... [2021-10-28 23:30:10,309 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:30:10,309 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:30:10,311 INFO L168 Benchmark]: Toolchain (without parser) took 8966.35 ms. Allocated memory was 90.2 MB in the beginning and 138.4 MB in the end (delta: 48.2 MB). Free memory was 54.3 MB in the beginning and 49.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 54.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:30:10,311 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory was 61.9 MB in the beginning and 61.9 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:30:10,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.70 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 54.1 MB in the beginning and 81.5 MB in the end (delta: -27.4 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:30:10,313 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.89 ms. Allocated memory is still 111.1 MB. Free memory was 81.5 MB in the beginning and 79.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:30:10,313 INFO L168 Benchmark]: Boogie Preprocessor took 57.05 ms. Allocated memory is still 111.1 MB. Free memory was 79.5 MB in the beginning and 78.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:30:10,314 INFO L168 Benchmark]: RCFGBuilder took 367.65 ms. Allocated memory is still 111.1 MB. Free memory was 78.0 MB in the beginning and 67.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:30:10,314 INFO L168 Benchmark]: BuchiAutomizer took 8036.29 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 66.9 MB in the beginning and 50.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 43.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:30:10,315 INFO L168 Benchmark]: Witness Printer took 3.76 ms. Allocated memory is still 138.4 MB. Free memory was 50.6 MB in the beginning and 49.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:30:10,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory was 61.9 MB in the beginning and 61.9 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 425.70 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 54.1 MB in the beginning and 81.5 MB in the end (delta: -27.4 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.89 ms. Allocated memory is still 111.1 MB. Free memory was 81.5 MB in the beginning and 79.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.05 ms. Allocated memory is still 111.1 MB. Free memory was 79.5 MB in the beginning and 78.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 367.65 ms. Allocated memory is still 111.1 MB. Free memory was 78.0 MB in the beginning and 67.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8036.29 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 66.9 MB in the beginning and 50.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 43.9 MB. Max. memory is 16.1 GB. * Witness Printer took 3.76 ms. Allocated memory is still 138.4 MB. Free memory was 50.6 MB in the beginning and 49.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 6 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 7.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 15 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 39 SDtfs, 79 SDslu, 24 SDs, 0 SdLazy, 36 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital226 mio100 ax100 hnf100 lsp95 ukn84 mio100 lsp49 div100 bol100 ite100 ukn100 eq194 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:30:10,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 23:30:10,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becf33b0-2644-4a8d-a562-1bcba039058c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...