./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strcat_short.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt --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 2cfe214f4978682dac68f5565e20ebc7c152d196 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-12 23:59:02,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-12 23:59:02,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-12 23:59:02,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-12 23:59:02,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-12 23:59:02,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-12 23:59:02,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-12 23:59:02,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-12 23:59:02,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-12 23:59:02,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-12 23:59:02,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-12 23:59:02,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-12 23:59:02,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-12 23:59:02,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-12 23:59:02,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-12 23:59:02,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-12 23:59:02,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-12 23:59:02,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-12 23:59:02,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-12 23:59:02,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-12 23:59:02,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-12 23:59:02,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-12 23:59:02,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-12 23:59:02,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-12 23:59:02,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-12 23:59:02,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-12 23:59:02,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-12 23:59:02,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-12 23:59:02,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-12 23:59:02,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-12 23:59:02,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-12 23:59:02,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-12 23:59:02,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-12 23:59:02,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-12 23:59:02,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-12 23:59:02,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-12 23:59:02,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-12 23:59:02,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-12 23:59:02,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-12 23:59:02,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-12 23:59:02,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-12 23:59:02,358 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-12 23:59:02,390 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-12 23:59:02,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-12 23:59:02,391 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-12 23:59:02,392 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-12 23:59:02,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-12 23:59:02,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-12 23:59:02,394 INFO L138 SettingsManager]: * Use SBE=true [2021-10-12 23:59:02,394 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-12 23:59:02,394 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-12 23:59:02,394 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-12 23:59:02,395 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-12 23:59:02,396 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-12 23:59:02,396 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-12 23:59:02,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-12 23:59:02,396 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-12 23:59:02,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-12 23:59:02,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-12 23:59:02,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-12 23:59:02,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-12 23:59:02,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-12 23:59:02,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-12 23:59:02,398 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-12 23:59:02,398 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-12 23:59:02,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-12 23:59:02,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-12 23:59:02,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-12 23:59:02,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-12 23:59:02,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-12 23:59:02,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-12 23:59:02,402 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-12 23:59:02,403 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_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cfe214f4978682dac68f5565e20ebc7c152d196 [2021-10-12 23:59:02,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-12 23:59:02,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-12 23:59:02,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-12 23:59:02,785 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-12 23:59:02,786 INFO L275 PluginConnector]: CDTParser initialized [2021-10-12 23:59:02,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-dietlibc/strcat_short.i [2021-10-12 23:59:02,866 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/data/8a10a2706/abe60b2c676840e487c04ef229513b0d/FLAGef69dbf35 [2021-10-12 23:59:03,506 INFO L306 CDTParser]: Found 1 translation units. [2021-10-12 23:59:03,510 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/sv-benchmarks/c/termination-dietlibc/strcat_short.i [2021-10-12 23:59:03,534 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/data/8a10a2706/abe60b2c676840e487c04ef229513b0d/FLAGef69dbf35 [2021-10-12 23:59:03,776 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/data/8a10a2706/abe60b2c676840e487c04ef229513b0d [2021-10-12 23:59:03,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-12 23:59:03,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-12 23:59:03,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:03,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-12 23:59:03,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-12 23:59:03,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:03" (1/1) ... [2021-10-12 23:59:03,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32a1e82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:03, skipping insertion in model container [2021-10-12 23:59:03,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:03" (1/1) ... [2021-10-12 23:59:03,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-12 23:59:03,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-12 23:59:04,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:04,188 INFO L203 MainTranslator]: Completed pre-run [2021-10-12 23:59:04,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:04,271 INFO L208 MainTranslator]: Completed translation [2021-10-12 23:59:04,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:04 WrapperNode [2021-10-12 23:59:04,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:04,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:04,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-12 23:59:04,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-12 23:59:04,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:04" (1/1) ... [2021-10-12 23:59:04,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:04" (1/1) ... [2021-10-12 23:59:04,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:04,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-12 23:59:04,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-12 23:59:04,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-12 23:59:04,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:04" (1/1) ... [2021-10-12 23:59:04,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:04" (1/1) ... [2021-10-12 23:59:04,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:04" (1/1) ... [2021-10-12 23:59:04,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:04" (1/1) ... [2021-10-12 23:59:04,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:04" (1/1) ... [2021-10-12 23:59:04,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:04" (1/1) ... [2021-10-12 23:59:04,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:04" (1/1) ... [2021-10-12 23:59:04,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-12 23:59:04,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-12 23:59:04,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-12 23:59:04,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-12 23:59:04,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:04" (1/1) ... [2021-10-12 23:59:04,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:04,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:04,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:04,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-12 23:59:04,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-12 23:59:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-12 23:59:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-12 23:59:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-12 23:59:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-12 23:59:04,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-12 23:59:04,753 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-12 23:59:04,759 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-12 23:59:04,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:04 BoogieIcfgContainer [2021-10-12 23:59:04,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-12 23:59:04,767 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-12 23:59:04,767 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-12 23:59:04,770 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-12 23:59:04,785 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:04,785 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 11:59:03" (1/3) ... [2021-10-12 23:59:04,787 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c5de9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 11:59:04, skipping insertion in model container [2021-10-12 23:59:04,787 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:04,787 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:04" (2/3) ... [2021-10-12 23:59:04,788 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c5de9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 11:59:04, skipping insertion in model container [2021-10-12 23:59:04,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:04,788 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:04" (3/3) ... [2021-10-12 23:59:04,790 INFO L389 chiAutomizerObserver]: Analyzing ICFG strcat_short.i [2021-10-12 23:59:04,850 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-12 23:59:04,850 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-12 23:59:04,850 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-12 23:59:04,850 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-12 23:59:04,850 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-12 23:59:04,851 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-12 23:59:04,851 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-12 23:59:04,851 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-12 23:59:04,865 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) [2021-10-12 23:59:04,884 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-12 23:59:04,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:04,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:04,892 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-12 23:59:04,892 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-12 23:59:04,892 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-12 23:59:04,893 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) [2021-10-12 23:59:04,895 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-12 23:59:04,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:04,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:04,896 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-12 23:59:04,897 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-12 23:59:04,912 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 [2021-10-12 23:59:04,912 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 [2021-10-12 23:59:04,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:04,923 INFO L82 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2021-10-12 23:59:04,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:04,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603607772] [2021-10-12 23:59:04,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:04,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:05,087 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:05,144 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:05,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:05,147 INFO L82 PathProgramCache]: Analyzing trace with hash 55771, now seen corresponding path program 1 times [2021-10-12 23:59:05,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:05,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652599703] [2021-10-12 23:59:05,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:05,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:05,183 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:05,192 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:05,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:05,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1271629391, now seen corresponding path program 1 times [2021-10-12 23:59:05,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:05,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882407141] [2021-10-12 23:59:05,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:05,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:05,255 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:05,305 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:06,518 INFO L210 LassoAnalysis]: Preferences: [2021-10-12 23:59:06,519 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-12 23:59:06,519 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-12 23:59:06,519 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-12 23:59:06,520 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-12 23:59:06,520 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:06,520 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-12 23:59:06,520 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-12 23:59:06,520 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat_short.i_Iteration1_Lasso [2021-10-12 23:59:06,521 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-12 23:59:06,521 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-12 23:59:06,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:06,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:07,451 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-12 23:59:07,456 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-12 23:59:07,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:07,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:07,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:07,462 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 [2021-10-12 23:59:07,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:07,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:07,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:07,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:07,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:07,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:07,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:07,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-12 23:59:07,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:07,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:07,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:07,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:07,581 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:07,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:07,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:07,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:07,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:07,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:07,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:07,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:07,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:07,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-12 23:59:07,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:07,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:07,638 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:07,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:07,639 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:07,645 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 [2021-10-12 23:59:07,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-12 23:59:07,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:07,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:07,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:07,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:07,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:07,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:07,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:07,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:07,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:07,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:07,713 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:07,725 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 [2021-10-12 23:59:07,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:07,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:07,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:07,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:07,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:07,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:07,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:07,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-12 23:59:07,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:07,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:07,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:07,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:07,787 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:07,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-12 23:59:07,793 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 [2021-10-12 23:59:07,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:07,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:07,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:07,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:07,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:07,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:07,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:07,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:07,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:07,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:07,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:07,846 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:07,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-12 23:59:07,853 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 [2021-10-12 23:59:07,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:07,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:07,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:07,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:07,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:07,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:07,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:07,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:07,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:07,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:07,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:07,886 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:07,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-12 23:59:07,892 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 [2021-10-12 23:59:07,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:07,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:07,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:07,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:07,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:07,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:07,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:07,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:07,951 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:07,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:07,952 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:07,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-12 23:59:07,954 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 [2021-10-12 23:59:07,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:07,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:07,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:07,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:07,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:07,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:07,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:07,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:07,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:07,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:07,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:07,986 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:07,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-12 23:59:07,988 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 [2021-10-12 23:59:07,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:07,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:07,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:07,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:07,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:07,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:07,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:07,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:08,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-12 23:59:08,021 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:08,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:08,022 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:08,027 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 [2021-10-12 23:59:08,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-12 23:59:08,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:08,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:08,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:08,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:08,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:08,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:08,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:08,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:08,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:08,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:08,079 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:08,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-12 23:59:08,081 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 [2021-10-12 23:59:08,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:08,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:08,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:08,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:08,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:08,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:08,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:08,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:08,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:08,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:08,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:08,117 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:08,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-12 23:59:08,121 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 [2021-10-12 23:59:08,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:08,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:08,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:08,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:08,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:08,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:08,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:08,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:08,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:08,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:08,164 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:08,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-12 23:59:08,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-12 23:59:08,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:08,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:08,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:08,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:08,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:08,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:08,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:08,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:08,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:08,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:08,247 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:08,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-12 23:59:08,251 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 [2021-10-12 23:59:08,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:08,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:08,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:08,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:08,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:08,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:08,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:08,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:08,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:08,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:08,291 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:08,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-12 23:59:08,292 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 [2021-10-12 23:59:08,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:08,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:08,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:08,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:08,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:08,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:08,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:08,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:08,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:08,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:08,352 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:08,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-12 23:59:08,355 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 [2021-10-12 23:59:08,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:08,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:08,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:08,362 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-12 23:59:08,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:08,364 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-12 23:59:08,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:08,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:08,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:08,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:08,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:08,393 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:08,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-12 23:59:08,395 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 [2021-10-12 23:59:08,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:08,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:08,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:08,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:08,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:08,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:08,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:08,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:08,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:08,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:08,449 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:08,455 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 [2021-10-12 23:59:08,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-12 23:59:08,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:08,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:08,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:08,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:08,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:08,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:08,517 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-12 23:59:08,553 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-12 23:59:08,553 INFO L444 ModelExtractionUtils]: 16 out of 55 variables were initially zero. Simplification set additionally 36 variables to zero. [2021-10-12 23:59:08,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:08,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:08,562 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:08,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-12 23:59:08,629 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-12 23:59:08,650 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-12 23:59:08,650 INFO L513 LassoAnalysis]: Proved termination. [2021-10-12 23:59:08,651 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 [] [2021-10-12 23:59:08,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:08,717 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-10-12 23:59:08,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:08,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-12 23:59:08,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:08,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-12 23:59:08,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:08,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:08,969 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 [2021-10-12 23:59:08,971 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) [2021-10-12 23:59:09,069 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. [2021-10-12 23:59:09,070 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 [2021-10-12 23:59:09,071 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) [2021-10-12 23:59:09,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2021-10-12 23:59:09,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-12 23:59:09,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:09,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 9 letters. Loop has 3 letters. [2021-10-12 23:59:09,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:09,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 6 letters. Loop has 6 letters. [2021-10-12 23:59:09,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:09,081 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2021-10-12 23:59:09,090 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-12 23:59:09,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 18 states and 21 transitions. [2021-10-12 23:59:09,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-12 23:59:09,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-12 23:59:09,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-10-12 23:59:09,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-12 23:59:09,099 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-12 23:59:09,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-10-12 23:59:09,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2021-10-12 23:59:09,131 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) [2021-10-12 23:59:09,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-10-12 23:59:09,133 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-10-12 23:59:09,133 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-10-12 23:59:09,134 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-12 23:59:09,134 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2021-10-12 23:59:09,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-12 23:59:09,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:09,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:09,138 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:09,138 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-12 23:59:09,139 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 % 4294967296;havoc strcat_#t~ret5; 175#L516-2 [2021-10-12 23:59:09,139 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 [2021-10-12 23:59:09,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:09,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907772, now seen corresponding path program 1 times [2021-10-12 23:59:09,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:09,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163697813] [2021-10-12 23:59:09,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:09,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:09,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:09,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:09,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163697813] [2021-10-12 23:59:09,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163697813] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:09,246 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:09,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-12 23:59:09,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928599047] [2021-10-12 23:59:09,249 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-12 23:59:09,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:09,250 INFO L82 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 1 times [2021-10-12 23:59:09,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:09,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093802402] [2021-10-12 23:59:09,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:09,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:09,268 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:09,285 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:09,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:09,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-12 23:59:09,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-12 23:59:09,411 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) [2021-10-12 23:59:09,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:09,434 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2021-10-12 23:59:09,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-12 23:59:09,435 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2021-10-12 23:59:09,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-12 23:59:09,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 17 transitions. [2021-10-12 23:59:09,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-12 23:59:09,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-12 23:59:09,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2021-10-12 23:59:09,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-12 23:59:09,438 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-12 23:59:09,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2021-10-12 23:59:09,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-10-12 23:59:09,440 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) [2021-10-12 23:59:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-10-12 23:59:09,441 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-12 23:59:09,441 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-12 23:59:09,441 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-12 23:59:09,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2021-10-12 23:59:09,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-12 23:59:09,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:09,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:09,445 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:09,445 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-12 23:59:09,445 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 % 4294967296;havoc strcat_#t~ret5; 214#L516-2 [2021-10-12 23:59:09,445 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 [2021-10-12 23:59:09,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:09,446 INFO L82 PathProgramCache]: Analyzing trace with hash 765803698, now seen corresponding path program 1 times [2021-10-12 23:59:09,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:09,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104558149] [2021-10-12 23:59:09,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:09,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:09,500 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:09,538 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:09,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:09,540 INFO L82 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 2 times [2021-10-12 23:59:09,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:09,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100372724] [2021-10-12 23:59:09,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:09,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:09,552 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:09,563 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:09,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:09,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1497947671, now seen corresponding path program 1 times [2021-10-12 23:59:09,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:09,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631896148] [2021-10-12 23:59:09,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:09,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:09,637 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:09,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-10-12 23:59:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:09,706 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:10,735 INFO L210 LassoAnalysis]: Preferences: [2021-10-12 23:59:10,735 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-12 23:59:10,735 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-12 23:59:10,735 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-12 23:59:10,735 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-12 23:59:10,735 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:10,735 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-12 23:59:10,735 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-12 23:59:10,735 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat_short.i_Iteration3_Lasso [2021-10-12 23:59:10,735 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-12 23:59:10,736 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-12 23:59:10,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:10,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:10,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:10,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:10,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:10,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:10,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:10,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:10,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:10,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:10,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:10,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:10,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:11,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:11,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:11,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:11,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:11,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:11,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:11,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:11,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-12 23:59:12,000 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-12 23:59:12,001 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-12 23:59:12,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,003 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,012 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 [2021-10-12 23:59:12,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:12,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:12,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:12,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-12 23:59:12,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:12,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:12,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,074 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,076 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 [2021-10-12 23:59:12,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:12,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-12 23:59:12,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:12,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:12,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:12,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-12 23:59:12,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,114 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-12 23:59:12,126 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 [2021-10-12 23:59:12,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:12,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:12,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:12,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:12,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-12 23:59:12,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,157 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-12 23:59:12,158 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 [2021-10-12 23:59:12,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:12,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:12,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:12,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:12,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-12 23:59:12,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,188 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-12 23:59:12,189 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 [2021-10-12 23:59:12,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:12,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:12,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:12,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:12,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:12,218 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,219 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-12 23:59:12,222 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 [2021-10-12 23:59:12,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:12,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:12,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:12,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:12,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,275 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-12 23:59:12,276 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 [2021-10-12 23:59:12,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:12,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:12,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:12,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:12,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-12 23:59:12,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,307 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-12 23:59:12,309 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 [2021-10-12 23:59:12,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:12,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:12,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:12,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:12,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:12,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,340 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-12 23:59:12,343 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 [2021-10-12 23:59:12,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:12,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:12,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:12,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:12,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-12 23:59:12,381 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,383 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-12 23:59:12,385 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 [2021-10-12 23:59:12,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:12,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:12,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:12,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:12,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-12 23:59:12,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,416 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,418 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 [2021-10-12 23:59:12,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-12 23:59:12,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-12 23:59:12,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-12 23:59:12,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-12 23:59:12,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:12,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:12,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,448 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-12 23:59:12,450 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 [2021-10-12 23:59:12,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:12,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:12,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:12,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:12,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,519 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,533 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 [2021-10-12 23:59:12,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:12,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:12,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-12 23:59:12,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:12,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:12,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,608 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,610 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 [2021-10-12 23:59:12,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:12,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:12,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-12 23:59:12,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-12 23:59:12,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:12,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,675 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,682 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 [2021-10-12 23:59:12,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-12 23:59:12,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-12 23:59:12,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-12 23:59:12,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-12 23:59:12,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-12 23:59:12,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-12 23:59:12,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-12 23:59:12,752 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-12 23:59:12,819 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-10-12 23:59:12,820 INFO L444 ModelExtractionUtils]: 45 out of 64 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-10-12 23:59:12,820 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:12,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:12,821 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:12,824 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-12 23:59:12,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-12 23:59:12,854 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-12 23:59:12,854 INFO L513 LassoAnalysis]: Proved termination. [2021-10-12 23:59:12,854 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_2, ULTIMATE.start_strcat_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_2 - 1*ULTIMATE.start_strcat_~s.offset Supporting invariants [] [2021-10-12 23:59:12,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:12,970 INFO L297 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2021-10-12 23:59:12,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:13,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-12 23:59:13,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:13,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-12 23:59:13,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:13,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:13,126 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 [2021-10-12 23:59:13,127 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) [2021-10-12 23:59:13,181 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. [2021-10-12 23:59:13,181 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 [2021-10-12 23:59:13,182 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) [2021-10-12 23:59:13,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-10-12 23:59:13,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-12 23:59:13,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:13,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 12 letters. Loop has 2 letters. [2021-10-12 23:59:13,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:13,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-12 23:59:13,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-12 23:59:13,183 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2021-10-12 23:59:13,184 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-12 23:59:13,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2021-10-12 23:59:13,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-12 23:59:13,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-12 23:59:13,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-12 23:59:13,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-12 23:59:13,184 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-12 23:59:13,184 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-12 23:59:13,185 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-12 23:59:13,185 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-12 23:59:13,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-12 23:59:13,185 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-12 23:59:13,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-12 23:59:13,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 11:59:13 BoogieIcfgContainer [2021-10-12 23:59:13,190 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-12 23:59:13,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-12 23:59:13,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-12 23:59:13,190 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-12 23:59:13,191 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:04" (3/4) ... [2021-10-12 23:59:13,194 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-12 23:59:13,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-12 23:59:13,196 INFO L168 Benchmark]: Toolchain (without parser) took 9398.12 ms. Allocated memory was 90.2 MB in the beginning and 144.7 MB in the end (delta: 54.5 MB). Free memory was 68.7 MB in the beginning and 67.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 55.0 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:13,196 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory is still 65.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:13,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.86 ms. Allocated memory is still 90.2 MB. Free memory was 68.7 MB in the beginning and 59.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:13,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.52 ms. Allocated memory is still 90.2 MB. Free memory was 59.5 MB in the beginning and 57.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:13,198 INFO L168 Benchmark]: Boogie Preprocessor took 53.65 ms. Allocated memory is still 90.2 MB. Free memory was 57.4 MB in the beginning and 56.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:13,198 INFO L168 Benchmark]: RCFGBuilder took 366.21 ms. Allocated memory is still 90.2 MB. Free memory was 56.0 MB in the beginning and 45.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:13,199 INFO L168 Benchmark]: BuchiAutomizer took 8423.21 ms. Allocated memory was 90.2 MB in the beginning and 144.7 MB in the end (delta: 54.5 MB). Free memory was 44.9 MB in the beginning and 68.7 MB in the end (delta: -23.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:13,199 INFO L168 Benchmark]: Witness Printer took 4.29 ms. Allocated memory is still 144.7 MB. Free memory was 68.7 MB in the beginning and 67.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:13,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory is still 65.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 473.86 ms. Allocated memory is still 90.2 MB. Free memory was 68.7 MB in the beginning and 59.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.52 ms. Allocated memory is still 90.2 MB. Free memory was 59.5 MB in the beginning and 57.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.65 ms. Allocated memory is still 90.2 MB. Free memory was 57.4 MB in the beginning and 56.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 366.21 ms. Allocated memory is still 90.2 MB. Free memory was 56.0 MB in the beginning and 45.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8423.21 ms. Allocated memory was 90.2 MB in the beginning and 144.7 MB in the end (delta: 54.5 MB). Free memory was 44.9 MB in the beginning and 68.7 MB in the end (delta: -23.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.29 ms. Allocated memory is still 144.7 MB. Free memory was 68.7 MB in the beginning and 67.6 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 8.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 7.6s. 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 22.1ms 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, 47.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital227 mio100 ax100 hnf100 lsp95 ukn84 mio100 lsp49 div117 bol100 ite100 ukn100 eq186 hnf82 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms 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! [2021-10-12 23:59:13,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:13,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708fcab3-a9e3-49d0-9973-94dba2796207/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...