./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/Ackermann02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/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_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Ackermann02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/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 32bit --witnessprinter.graph.data.programhash 035ba3eae82c1904e7a9c5ede20dafeb782b642c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:58:37,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:58:37,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:58:37,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:58:37,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:58:37,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:58:37,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:58:37,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:58:37,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:58:37,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:58:37,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:58:37,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:58:37,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:58:37,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:58:37,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:58:37,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:58:37,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:58:37,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:58:37,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:58:37,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:58:37,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:58:37,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:58:37,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:58:37,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:58:37,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:58:37,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:58:37,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:58:37,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:58:37,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:58:37,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:58:37,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:58:37,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:58:37,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:58:37,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:58:37,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:58:37,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:58:37,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:58:37,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:58:37,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:58:37,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:58:37,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:58:37,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:58:37,507 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:58:37,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:58:37,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:58:37,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:58:37,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:58:37,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:58:37,510 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:58:37,510 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:58:37,510 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:58:37,510 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:58:37,511 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:58:37,511 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:58:37,511 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:58:37,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:58:37,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:58:37,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:58:37,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:58:37,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:58:37,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:58:37,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:58:37,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:58:37,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:58:37,514 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:58:37,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:58:37,514 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:58:37,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:58:37,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:58:37,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:58:37,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:58:37,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:58:37,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:58:37,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:58:37,517 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:58:37,517 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_323bb8e3-7a01-4797-84b9-82f4d92ab008/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 035ba3eae82c1904e7a9c5ede20dafeb782b642c [2021-10-13 00:58:37,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:58:37,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:58:37,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:58:37,829 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:58:37,831 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:58:37,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/recursive/Ackermann02.c [2021-10-13 00:58:37,906 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/data/1b088ca87/a1f5df864ea847e8937a4288794d22a2/FLAGba86cfc6d [2021-10-13 00:58:38,328 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:58:38,329 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/sv-benchmarks/c/recursive/Ackermann02.c [2021-10-13 00:58:38,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/data/1b088ca87/a1f5df864ea847e8937a4288794d22a2/FLAGba86cfc6d [2021-10-13 00:58:38,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/data/1b088ca87/a1f5df864ea847e8937a4288794d22a2 [2021-10-13 00:58:38,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:58:38,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:58:38,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:58:38,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:58:38,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:58:38,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:58:38" (1/1) ... [2021-10-13 00:58:38,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d194cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:38, skipping insertion in model container [2021-10-13 00:58:38,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:58:38" (1/1) ... [2021-10-13 00:58:38,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:58:38,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:58:38,974 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/sv-benchmarks/c/recursive/Ackermann02.c[1157,1170] [2021-10-13 00:58:38,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:58:38,986 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:58:39,001 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/sv-benchmarks/c/recursive/Ackermann02.c[1157,1170] [2021-10-13 00:58:39,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:58:39,014 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:58:39,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:39 WrapperNode [2021-10-13 00:58:39,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:58:39,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:58:39,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:58:39,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:58:39,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:39" (1/1) ... [2021-10-13 00:58:39,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:39" (1/1) ... [2021-10-13 00:58:39,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:58:39,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:58:39,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:58:39,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:58:39,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:39" (1/1) ... [2021-10-13 00:58:39,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:39" (1/1) ... [2021-10-13 00:58:39,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:39" (1/1) ... [2021-10-13 00:58:39,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:39" (1/1) ... [2021-10-13 00:58:39,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:39" (1/1) ... [2021-10-13 00:58:39,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:39" (1/1) ... [2021-10-13 00:58:39,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:39" (1/1) ... [2021-10-13 00:58:39,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:58:39,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:58:39,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:58:39,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:58:39,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:39" (1/1) ... [2021-10-13 00:58:39,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:39,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:39,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:39,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:58:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:58:39,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:58:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2021-10-13 00:58:39,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2021-10-13 00:58:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:58:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:58:39,354 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:58:39,354 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 00:58:39,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:39 BoogieIcfgContainer [2021-10-13 00:58:39,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:58:39,357 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:58:39,358 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:58:39,361 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:58:39,362 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:58:39,362 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:58:38" (1/3) ... [2021-10-13 00:58:39,364 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@651ffbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:58:39, skipping insertion in model container [2021-10-13 00:58:39,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:58:39,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:39" (2/3) ... [2021-10-13 00:58:39,365 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@651ffbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:58:39, skipping insertion in model container [2021-10-13 00:58:39,365 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:58:39,365 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:39" (3/3) ... [2021-10-13 00:58:39,366 INFO L389 chiAutomizerObserver]: Analyzing ICFG Ackermann02.c [2021-10-13 00:58:39,431 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:58:39,431 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:58:39,431 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:58:39,431 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:58:39,431 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:58:39,431 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:58:39,432 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:58:39,432 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:58:39,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-13 00:58:39,504 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 00:58:39,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:39,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:39,514 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:58:39,515 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:58:39,516 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:58:39,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-13 00:58:39,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 00:58:39,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:39,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:39,521 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 00:58:39,522 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:58:39,529 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 9#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 8#L29true assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 22#L35true assume !(main_~n~0 < 0 || main_~n~0 > 23); 16#L41true call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 6#ackermannENTRYtrue [2021-10-13 00:58:39,530 INFO L793 eck$LassoCheckResult]: Loop: 6#ackermannENTRYtrue ~m := #in~m;~n := #in~n; 13#L17true assume !(0 == ~m); 14#L20true assume 0 == ~n; 17#L21true call #t~ret7 := ackermann(~m - 1, 1);< 6#ackermannENTRYtrue [2021-10-13 00:58:39,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:39,543 INFO L82 PathProgramCache]: Analyzing trace with hash 28695872, now seen corresponding path program 1 times [2021-10-13 00:58:39,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:39,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106395231] [2021-10-13 00:58:39,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:39,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:39,694 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:39,745 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:39,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:39,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1697199, now seen corresponding path program 1 times [2021-10-13 00:58:39,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:39,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432894114] [2021-10-13 00:58:39,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:39,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:39,755 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:39,761 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:39,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:39,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1292962670, now seen corresponding path program 1 times [2021-10-13 00:58:39,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:39,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186326863] [2021-10-13 00:58:39,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:39,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:39,802 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:39,846 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:39,993 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:58:39,994 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:58:39,994 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:58:39,994 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:58:39,994 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:58:39,995 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:39,995 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:58:39,995 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:58:39,995 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration1_Loop [2021-10-13 00:58:39,995 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:58:39,996 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:58:40,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,123 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:58:40,124 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:58:40,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:58:40,139 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:40,139 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:40,164 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:40,164 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~m=0} Honda state: {ackermann_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:40,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:40,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:58:40,194 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:40,195 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:40,203 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:40,203 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:40,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:40,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,228 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,233 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:40,234 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:40,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:58:40,262 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:40,262 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:40,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:40,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,286 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:58:40,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:40,294 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:40,307 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:40,307 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0} Honda state: {ackermann_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:40,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:40,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,328 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:58:40,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:40,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:40,342 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:40,342 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:40,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:40,375 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,376 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:58:40,378 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:40,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:40,386 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:40,386 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:40,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:40,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,406 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:58:40,414 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:40,415 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:40,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-13 00:58:40,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,458 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:58:40,460 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:58:40,460 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:40,494 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:58:40,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:40,516 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:58:40,517 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:58:40,517 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:58:40,517 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:58:40,517 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:58:40,517 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,517 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:58:40,517 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:58:40,517 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration1_Loop [2021-10-13 00:58:40,517 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:58:40,517 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:58:40,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:40,632 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:58:40,636 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:58:40,638 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,642 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,645 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 [2021-10-13 00:58:40,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:58:40,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:40,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:40,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:40,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:40,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:40,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:40,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:40,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:40,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:40,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,697 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:58:40,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:58:40,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:40,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:40,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:40,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:40,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:40,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:40,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:40,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:40,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:40,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,746 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:58:40,747 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 [2021-10-13 00:58:40,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:40,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:40,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:40,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:40,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:40,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:40,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:40,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:40,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:40,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,818 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:58:40,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:40,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:40,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:40,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:40,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:40,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:40,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:40,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:58:40,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:40,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:40,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,891 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:58:40,892 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 [2021-10-13 00:58:40,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:40,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:40,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:40,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:40,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:40,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:40,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:40,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:40,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:40,933 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,934 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:58:40,938 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 [2021-10-13 00:58:40,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:40,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:40,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:40,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:40,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:40,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:40,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:40,951 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:58:40,963 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:58:40,963 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:58:40,965 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:40,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,969 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:58:41,002 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:58:41,002 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:58:41,002 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:58:41,003 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_#in~n) = -2*ackermann_#in~n + 1 Supporting invariants [] [2021-10-13 00:58:41,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:41,025 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:58:41,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:41,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:58:41,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:41,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:58:41,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:41,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:41,179 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 00:58:41,197 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:41,359 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4). Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 65 transitions. Complement of second has 12 states. [2021-10-13 00:58:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:58:41,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:41,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-10-13 00:58:41,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-13 00:58:41,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:41,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 4 letters. [2021-10-13 00:58:41,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:41,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 8 letters. [2021-10-13 00:58:41,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:41,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 65 transitions. [2021-10-13 00:58:41,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 00:58:41,379 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 29 states and 37 transitions. [2021-10-13 00:58:41,380 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-13 00:58:41,381 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-10-13 00:58:41,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2021-10-13 00:58:41,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:58:41,382 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-10-13 00:58:41,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2021-10-13 00:58:41,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 22. [2021-10-13 00:58:41,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-13 00:58:41,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-10-13 00:58:41,410 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-10-13 00:58:41,410 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-10-13 00:58:41,410 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:58:41,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-10-13 00:58:41,412 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 00:58:41,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:41,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:41,412 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:58:41,413 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:58:41,413 INFO L791 eck$LassoCheckResult]: Stem: 133#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 134#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 146#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 147#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 136#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 135#ackermannENTRY ~m := #in~m;~n := #in~n; 138#L17 assume !(0 == ~m); 151#L20 assume !(0 == ~n); 142#L23 [2021-10-13 00:58:41,413 INFO L793 eck$LassoCheckResult]: Loop: 142#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 150#ackermannENTRY ~m := #in~m;~n := #in~n; 153#L17 assume !(0 == ~m); 154#L20 assume !(0 == ~n); 142#L23 [2021-10-13 00:58:41,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:41,414 INFO L82 PathProgramCache]: Analyzing trace with hash 180255807, now seen corresponding path program 1 times [2021-10-13 00:58:41,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:41,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759995607] [2021-10-13 00:58:41,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:41,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:41,434 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:41,470 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:41,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:41,472 INFO L82 PathProgramCache]: Analyzing trace with hash 2259284, now seen corresponding path program 1 times [2021-10-13 00:58:41,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:41,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414623642] [2021-10-13 00:58:41,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:41,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:41,478 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:41,483 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:41,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:41,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1387046546, now seen corresponding path program 1 times [2021-10-13 00:58:41,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:41,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951144803] [2021-10-13 00:58:41,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:41,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:41,525 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:41,550 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:41,660 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:58:41,660 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:58:41,660 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:58:41,660 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:58:41,660 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:58:41,660 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:41,660 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:58:41,661 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:58:41,661 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration2_Loop [2021-10-13 00:58:41,661 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:58:41,661 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:58:41,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:41,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:41,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:41,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:41,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:41,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:41,779 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:58:41,779 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:58:41,781 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:41,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:41,786 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:41,793 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:41,793 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:41,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:58:41,819 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:41,819 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=7, ackermann_~m=7} Honda state: {ackermann_#in~m=7, ackermann_~m=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:41,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:41,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:41,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:41,858 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:41,864 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:41,864 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:41,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:58:41,886 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:41,886 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:41,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:41,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:41,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:41,924 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:41,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:41,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:41,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:58:41,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:41,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:41,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:41,995 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:42,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:58:42,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-13 00:58:42,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:58:42,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:45,464 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:45,464 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=-1, ackermann_#in~n=1} Honda state: {ackermann_~n=-1, ackermann_#in~n=1} Generalized eigenvectors: [{ackermann_~n=-1, ackermann_#in~n=7}, {ackermann_~n=0, ackermann_#in~n=-8}, {ackermann_~n=0, ackermann_#in~n=-2}] Lambdas: [1, 0, 0] Nus: [1, 0] [2021-10-13 00:58:45,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:45,485 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:45,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:45,485 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:45,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:58:45,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:45,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:45,497 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:45,497 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:45,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:45,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:45,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:45,519 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:45,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:58:45,520 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:45,520 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:45,562 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:45,562 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:45,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:45,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:45,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:45,599 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:45,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:45,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:45,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:58:45,618 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:45,618 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:45,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:46,332 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:58:46,332 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:58:46,332 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:58:46,333 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:58:46,333 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:58:46,333 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:46,333 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:58:46,333 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:58:46,333 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration2_Lasso [2021-10-13 00:58:46,333 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:58:46,333 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:58:46,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:46,774 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:58:46,774 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:58:46,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:46,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:46,775 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:46,777 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 [2021-10-13 00:58:46,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:46,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:46,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:46,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:46,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:46,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:46,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:58:46,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:46,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:46,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:46,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:46,846 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:46,851 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 [2021-10-13 00:58:46,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:46,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:46,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:46,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:46,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:46,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:46,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:46,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:58:46,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:46,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:46,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:46,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:46,910 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:46,915 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 [2021-10-13 00:58:46,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:46,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:46,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:46,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:46,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:46,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:46,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:46,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:58:46,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:46,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:46,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:46,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:46,986 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:46,989 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 [2021-10-13 00:58:46,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:58:46,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:46,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:46,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:46,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:46,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:46,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:46,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:47,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:47,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-13 00:58:47,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:47,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:47,029 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:47,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:58:47,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 00:58:47,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:47,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:47,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:47,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:47,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:47,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:47,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:47,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:47,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-13 00:58:47,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:47,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:47,065 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:47,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 00:58:47,067 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 [2021-10-13 00:58:47,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:47,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:47,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:47,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:47,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:47,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:47,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:47,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:47,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:47,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:47,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:47,134 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:47,136 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 [2021-10-13 00:58:47,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:47,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:47,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:47,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:47,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 00:58:47,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:47,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:47,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:47,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-13 00:58:47,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:47,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:47,187 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:47,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 00:58:47,188 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 [2021-10-13 00:58:47,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:47,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:47,195 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:58:47,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:47,209 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-13 00:58:47,209 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:58:47,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:47,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:47,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:47,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:47,266 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:47,275 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 [2021-10-13 00:58:47,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:47,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:47,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:47,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:47,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:47,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:47,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:47,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 00:58:47,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:47,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:47,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:47,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:47,329 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:47,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 00:58:47,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:58:47,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:47,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:47,343 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:58:47,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:47,368 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-13 00:58:47,368 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:58:47,394 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:58:47,459 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-13 00:58:47,459 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-10-13 00:58:47,459 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:47,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:47,478 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:47,514 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:58:47,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 00:58:47,537 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-10-13 00:58:47,537 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:58:47,537 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~n) = 1*ackermann_~n Supporting invariants [2*ackermann_~n - 1 >= 0] [2021-10-13 00:58:47,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-13 00:58:47,587 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-13 00:58:47,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:47,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:58:47,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:47,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:58:47,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:47,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:47,815 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2021-10-13 00:58:47,816 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 8 Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:47,906 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 8. Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 45 transitions. Complement of second has 12 states. [2021-10-13 00:58:47,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-13 00:58:47,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:47,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2021-10-13 00:58:47,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 12 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-13 00:58:47,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:47,908 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:58:47,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:47,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:58:47,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:48,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:58:48,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:48,121 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 3 loop predicates [2021-10-13 00:58:48,121 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 8 Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:48,231 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 8. Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 67 transitions. Complement of second has 20 states. [2021-10-13 00:58:48,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 00:58:48,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:48,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 18 transitions. [2021-10-13 00:58:48,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-13 00:58:48,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:48,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 12 letters. Loop has 4 letters. [2021-10-13 00:58:48,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:48,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 8 letters. Loop has 8 letters. [2021-10-13 00:58:48,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:48,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 67 transitions. [2021-10-13 00:58:48,251 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 00:58:48,258 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 42 states and 59 transitions. [2021-10-13 00:58:48,258 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-13 00:58:48,258 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-10-13 00:58:48,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 59 transitions. [2021-10-13 00:58:48,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:58:48,259 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2021-10-13 00:58:48,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 59 transitions. [2021-10-13 00:58:48,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 33. [2021-10-13 00:58:48,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 8 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-13 00:58:48,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-13 00:58:48,268 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-13 00:58:48,269 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-13 00:58:48,269 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:58:48,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 45 transitions. [2021-10-13 00:58:48,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 00:58:48,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:48,271 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:48,272 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:58:48,272 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:58:48,272 INFO L791 eck$LassoCheckResult]: Stem: 420#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 421#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 432#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 433#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 423#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 422#ackermannENTRY ~m := #in~m;~n := #in~n; 425#L17 assume !(0 == ~m); 440#L20 assume !(0 == ~n); 429#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 446#ackermannENTRY ~m := #in~m;~n := #in~n; 452#L17 assume !(0 == ~m); 436#L20 assume 0 == ~n; 437#L21 [2021-10-13 00:58:48,272 INFO L793 eck$LassoCheckResult]: Loop: 437#L21 call #t~ret7 := ackermann(~m - 1, 1);< 439#ackermannENTRY ~m := #in~m;~n := #in~n; 450#L17 assume !(0 == ~m); 451#L20 assume 0 == ~n; 437#L21 [2021-10-13 00:58:48,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:48,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1387046543, now seen corresponding path program 1 times [2021-10-13 00:58:48,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:48,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927006887] [2021-10-13 00:58:48,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:48,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:48,307 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:48,341 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:48,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:48,351 INFO L82 PathProgramCache]: Analyzing trace with hash 2199699, now seen corresponding path program 2 times [2021-10-13 00:58:48,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:48,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784442590] [2021-10-13 00:58:48,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:48,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:48,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:48,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:58:48,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784442590] [2021-10-13 00:58:48,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784442590] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:58:48,390 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:58:48,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:58:48,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833080436] [2021-10-13 00:58:48,393 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:58:48,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:58:48,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:58:48,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:58:48,398 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. cyclomatic complexity: 15 Second operand has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:48,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:58:48,433 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2021-10-13 00:58:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:58:48,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2021-10-13 00:58:48,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-10-13 00:58:48,438 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 45 states and 61 transitions. [2021-10-13 00:58:48,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2021-10-13 00:58:48,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-13 00:58:48,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 61 transitions. [2021-10-13 00:58:48,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:58:48,439 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 61 transitions. [2021-10-13 00:58:48,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 61 transitions. [2021-10-13 00:58:48,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2021-10-13 00:58:48,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 31 states have internal predecessors, (35), 11 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (11), 6 states have call predecessors, (11), 8 states have call successors, (11) [2021-10-13 00:58:48,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2021-10-13 00:58:48,445 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 60 transitions. [2021-10-13 00:58:48,445 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 60 transitions. [2021-10-13 00:58:48,445 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:58:48,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 60 transitions. [2021-10-13 00:58:48,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-10-13 00:58:48,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:48,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:48,448 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:58:48,448 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2021-10-13 00:58:48,448 INFO L791 eck$LassoCheckResult]: Stem: 509#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 510#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 521#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 522#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 531#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 532#ackermannENTRY ~m := #in~m;~n := #in~n; 546#L17 assume !(0 == ~m); 549#L20 assume !(0 == ~n); 516#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 538#ackermannENTRY ~m := #in~m;~n := #in~n; 551#L17 assume !(0 == ~m); 547#L20 assume 0 == ~n; 528#L21 [2021-10-13 00:58:48,448 INFO L793 eck$LassoCheckResult]: Loop: 528#L21 call #t~ret7 := ackermann(~m - 1, 1);< 540#ackermannENTRY ~m := #in~m;~n := #in~n; 544#L17 assume !(0 == ~m); 527#L20 assume !(0 == ~n); 529#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 530#ackermannENTRY ~m := #in~m;~n := #in~n; 552#L17 assume !(0 == ~m); 550#L20 assume 0 == ~n; 528#L21 [2021-10-13 00:58:48,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:48,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1387046543, now seen corresponding path program 2 times [2021-10-13 00:58:48,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:48,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379339625] [2021-10-13 00:58:48,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:48,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:48,461 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:48,475 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:48,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:48,476 INFO L82 PathProgramCache]: Analyzing trace with hash -47204506, now seen corresponding path program 1 times [2021-10-13 00:58:48,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:48,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640767068] [2021-10-13 00:58:48,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:48,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:48,482 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:48,487 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:48,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:48,488 INFO L82 PathProgramCache]: Analyzing trace with hash -2117341196, now seen corresponding path program 1 times [2021-10-13 00:58:48,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:48,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047240773] [2021-10-13 00:58:48,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:48,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:48,502 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:48,518 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:48,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:48,761 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:58:48,762 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:58:48,762 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:58:48,762 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:58:48,762 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:58:48,762 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:48,762 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:58:48,762 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:58:48,763 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration4_Loop [2021-10-13 00:58:48,763 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:58:48,763 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:58:48,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:48,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:48,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:48,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:48,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:48,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:48,842 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:58:48,842 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:58:48,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:48,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:48,843 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:48,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 00:58:48,851 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:48,851 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:48,861 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:48,861 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:48,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-13 00:58:48,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:48,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:48,881 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:48,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 00:58:48,883 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:48,892 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:48,908 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:48,909 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:48,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:48,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:48,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:48,937 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:48,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 00:58:48,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:48,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:48,946 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:48,946 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:48,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:48,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:48,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:48,970 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:48,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 00:58:48,971 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:48,971 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:48,984 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:48,984 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0, ackermann_#in~n=0} Honda state: {ackermann_~n=0, ackermann_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:49,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-13 00:58:49,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:49,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:49,005 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:49,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 00:58:49,008 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:49,008 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:49,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-13 00:58:49,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:49,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:49,043 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:49,058 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:58:49,058 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:49,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 00:58:49,354 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:49,354 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=6, ackermann_~m=-2} Honda state: {ackermann_#in~m=6, ackermann_~m=-2} Generalized eigenvectors: [{ackermann_#in~m=-8, ackermann_~m=0}, {ackermann_#in~m=0, ackermann_~m=0}, {ackermann_#in~m=-1, ackermann_~m=-1}] Lambdas: [0, 6, 1] Nus: [0, 0] [2021-10-13 00:58:49,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:49,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:49,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:49,374 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:49,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 00:58:49,375 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:49,375 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:49,383 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:49,383 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:49,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:50,300 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:58:50,300 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:58:50,300 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:58:50,300 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:58:50,300 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:58:50,300 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:50,300 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:58:50,300 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:58:50,300 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration4_Lasso [2021-10-13 00:58:50,300 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:58:50,300 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:58:50,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:50,672 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:58:50,673 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:58:50,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:50,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:50,675 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:50,677 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 [2021-10-13 00:58:50,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:50,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:50,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:50,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:50,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:50,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:50,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 00:58:50,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:50,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:50,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:50,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:50,738 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:50,741 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 [2021-10-13 00:58:50,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:50,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:50,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:50,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:50,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:50,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:50,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:50,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 00:58:50,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:50,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:50,793 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:50,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:50,798 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:50,801 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 [2021-10-13 00:58:50,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:50,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:50,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:50,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:50,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:50,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:50,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 00:58:50,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:50,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-13 00:58:50,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:50,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:50,849 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:50,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 00:58:50,851 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 [2021-10-13 00:58:50,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:50,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:50,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:50,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:50,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:50,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:50,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:50,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:50,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-13 00:58:50,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:50,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:50,881 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:50,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 00:58:50,882 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 [2021-10-13 00:58:50,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:50,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:50,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:50,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:50,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:50,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:50,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:50,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:50,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-13 00:58:50,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:50,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:50,924 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:50,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:58:50,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 00:58:50,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:50,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:50,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:50,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:50,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:50,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:50,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:50,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:50,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:50,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:50,995 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,002 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 [2021-10-13 00:58:51,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:51,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:51,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-13 00:58:51,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:51,058 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,059 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,060 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 [2021-10-13 00:58:51,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:51,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:51,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 00:58:51,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:51,118 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,119 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,121 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 [2021-10-13 00:58:51,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 00:58:51,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:51,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:51,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-13 00:58:51,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,178 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,180 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 [2021-10-13 00:58:51,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 00:58:51,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:51,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:51,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:51,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,238 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,246 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 [2021-10-13 00:58:51,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 00:58:51,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:51,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:51,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:51,314 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,315 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,317 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 [2021-10-13 00:58:51,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:51,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:51,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-13 00:58:51,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-13 00:58:51,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,371 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-13 00:58:51,372 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 [2021-10-13 00:58:51,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:51,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:51,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:51,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,417 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-13 00:58:51,430 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 [2021-10-13 00:58:51,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:51,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:51,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-13 00:58:51,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,475 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-13 00:58:51,478 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 [2021-10-13 00:58:51,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:51,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:51,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:51,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,541 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-13 00:58:51,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:58:51,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:51,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:51,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:51,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,599 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:58:51,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:51,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-13 00:58:51,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:51,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:51,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-13 00:58:51,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,631 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-13 00:58:51,634 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 [2021-10-13 00:58:51,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:51,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:51,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:51,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,702 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-13 00:58:51,704 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 [2021-10-13 00:58:51,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:51,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:51,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:51,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-13 00:58:51,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,731 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-13 00:58:51,733 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 [2021-10-13 00:58:51,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:51,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:51,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:51,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-13 00:58:51,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,762 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-13 00:58:51,763 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 [2021-10-13 00:58:51,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:51,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:51,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-10-13 00:58:51,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,793 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-13 00:58:51,794 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 [2021-10-13 00:58:51,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:51,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:51,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:51,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-13 00:58:51,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,822 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-13 00:58:51,823 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 [2021-10-13 00:58:51,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:51,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:51,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:51,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-13 00:58:51,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,852 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-13 00:58:51,853 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 [2021-10-13 00:58:51,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:51,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:51,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:51,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:51,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,881 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-13 00:58:51,891 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 [2021-10-13 00:58:51,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:51,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:51,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:51,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-13 00:58:51,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,919 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-13 00:58:51,922 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 [2021-10-13 00:58:51,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:51,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:51,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:51,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-13 00:58:51,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,950 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-13 00:58:51,951 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 [2021-10-13 00:58:51,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:51,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:51,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:51,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:51,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:51,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:51,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:51,979 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:51,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-13 00:58:51,981 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 [2021-10-13 00:58:51,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:51,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:51,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:51,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:51,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:51,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:51,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:51,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:52,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:52,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:52,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:52,009 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:52,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-13 00:58:52,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:58:52,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:52,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:52,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:52,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:52,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:52,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:52,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:52,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:52,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-13 00:58:52,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:52,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:52,057 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:52,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-13 00:58:52,058 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 [2021-10-13 00:58:52,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:52,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:52,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:52,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:52,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:52,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:52,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:52,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:52,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:52,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:52,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:52,086 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:52,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-13 00:58:52,087 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 [2021-10-13 00:58:52,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:52,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:52,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:52,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:52,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:52,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:52,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:52,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:52,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:52,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:52,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:52,166 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:52,168 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 [2021-10-13 00:58:52,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:52,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:52,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:52,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:52,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:52,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:52,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:52,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-13 00:58:52,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:52,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-13 00:58:52,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:52,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:52,225 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:52,227 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 [2021-10-13 00:58:52,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-13 00:58:52,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:52,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:52,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:52,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:52,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:52,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:52,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:52,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:52,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-13 00:58:52,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:52,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:52,273 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:52,302 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 [2021-10-13 00:58:52,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:52,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:52,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:52,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:52,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:52,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:52,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:52,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-13 00:58:52,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:52,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-13 00:58:52,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:52,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:52,346 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:52,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-13 00:58:52,347 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 [2021-10-13 00:58:52,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:52,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:52,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:52,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:52,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:52,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:52,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:52,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:52,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:52,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:52,389 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:52,390 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 [2021-10-13 00:58:52,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:52,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:52,399 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:58:52,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:52,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-13 00:58:52,407 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-13 00:58:52,407 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:58:52,438 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:58:52,461 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-13 00:58:52,461 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-10-13 00:58:52,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:52,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:52,466 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:52,467 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:58:52,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-13 00:58:52,499 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-10-13 00:58:52,500 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:58:52,500 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~m) = 1*ackermann_~m Supporting invariants [2*ackermann_~m - 1 >= 0] [2021-10-13 00:58:52,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:52,549 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-13 00:58:52,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:52,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 00:58:52,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:52,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 00:58:52,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:58:52,867 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 4 loop predicates [2021-10-13 00:58:52,867 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 60 transitions. cyclomatic complexity: 18 Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:52,978 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 60 transitions. cyclomatic complexity: 18. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 106 transitions. Complement of second has 14 states. [2021-10-13 00:58:52,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-13 00:58:52,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:52,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 21 transitions. [2021-10-13 00:58:52,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 12 letters. Loop has 8 letters. [2021-10-13 00:58:52,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:52,980 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:58:52,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:53,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 00:58:53,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:53,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 00:58:53,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:53,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:53,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:58:53,280 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 4 loop predicates [2021-10-13 00:58:53,280 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 60 transitions. cyclomatic complexity: 18 Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:53,516 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 60 transitions. cyclomatic complexity: 18. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 151 states and 223 transitions. Complement of second has 31 states. [2021-10-13 00:58:53,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 5 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-13 00:58:53,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:53,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 34 transitions. [2021-10-13 00:58:53,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 34 transitions. Stem has 12 letters. Loop has 8 letters. [2021-10-13 00:58:53,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:53,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 34 transitions. Stem has 20 letters. Loop has 8 letters. [2021-10-13 00:58:53,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:53,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 34 transitions. Stem has 12 letters. Loop has 16 letters. [2021-10-13 00:58:53,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:53,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 223 transitions. [2021-10-13 00:58:53,526 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2021-10-13 00:58:53,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 115 states and 180 transitions. [2021-10-13 00:58:53,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76 [2021-10-13 00:58:53,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 78 [2021-10-13 00:58:53,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 180 transitions. [2021-10-13 00:58:53,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:58:53,533 INFO L681 BuchiCegarLoop]: Abstraction has 115 states and 180 transitions. [2021-10-13 00:58:53,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 180 transitions. [2021-10-13 00:58:53,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 110. [2021-10-13 00:58:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 72 states have (on average 1.1805555555555556) internal successors, (85), 76 states have internal predecessors, (85), 25 states have call successors, (36), 15 states have call predecessors, (36), 13 states have return successors, (54), 18 states have call predecessors, (54), 20 states have call successors, (54) [2021-10-13 00:58:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 175 transitions. [2021-10-13 00:58:53,548 INFO L704 BuchiCegarLoop]: Abstraction has 110 states and 175 transitions. [2021-10-13 00:58:53,548 INFO L587 BuchiCegarLoop]: Abstraction has 110 states and 175 transitions. [2021-10-13 00:58:53,549 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 00:58:53,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states and 175 transitions. [2021-10-13 00:58:53,551 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2021-10-13 00:58:53,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:53,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:53,552 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:58:53,552 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:58:53,553 INFO L791 eck$LassoCheckResult]: Stem: 1030#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1031#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 1049#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 1050#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 1066#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 1070#ackermannENTRY ~m := #in~m;~n := #in~n; 1098#L17 assume !(0 == ~m); 1099#L20 assume !(0 == ~n); 1034#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1032#ackermannENTRY ~m := #in~m;~n := #in~n; 1035#L17 assume 0 == ~m;#res := 1 + ~n; 1101#ackermannFINAL assume true; 1051#ackermannEXIT >#45#return; 1041#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 1067#ackermannENTRY [2021-10-13 00:58:53,553 INFO L793 eck$LassoCheckResult]: Loop: 1067#ackermannENTRY ~m := #in~m;~n := #in~n; 1138#L17 assume !(0 == ~m); 1137#L20 assume !(0 == ~n); 1042#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1067#ackermannENTRY [2021-10-13 00:58:53,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:53,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1511844440, now seen corresponding path program 1 times [2021-10-13 00:58:53,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:53,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617974235] [2021-10-13 00:58:53,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:53,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:53,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-10-13 00:58:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 00:58:53,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:58:53,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617974235] [2021-10-13 00:58:53,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617974235] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:58:53,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:58:53,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:58:53,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194351076] [2021-10-13 00:58:53,594 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:58:53,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:53,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1697294, now seen corresponding path program 2 times [2021-10-13 00:58:53,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:53,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446949836] [2021-10-13 00:58:53,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:53,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:53,599 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:53,601 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:53,660 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:58:53,660 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:58:53,660 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:58:53,661 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:58:53,661 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:58:53,661 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:53,661 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:58:53,661 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:58:53,661 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration5_Loop [2021-10-13 00:58:53,661 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:58:53,661 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:58:53,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:53,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:53,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:53,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:53,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:53,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:53,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:53,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:53,728 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:58:53,728 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:58:53,728 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:53,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:53,729 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:53,738 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:53,738 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:53,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-13 00:58:53,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:53,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:53,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:53,788 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:53,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-13 00:58:53,789 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:58:53,789 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:53,811 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:53,811 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~n=-4} Honda state: {ackermann_#in~n=-4} Generalized eigenvectors: [{ackermann_#in~n=0}, {ackermann_#in~n=-1}, {ackermann_#in~n=0}] Lambdas: [15, 1, 13] Nus: [0, 0] [2021-10-13 00:58:53,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-13 00:58:53,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:53,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:53,831 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:53,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-13 00:58:53,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:53,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:53,840 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:53,840 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~m=0} Honda state: {ackermann_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:53,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-13 00:58:53,865 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:53,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:53,866 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:53,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-13 00:58:53,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:53,867 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:53,874 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:53,875 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:53,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:53,894 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:53,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:53,894 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:53,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-13 00:58:53,896 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:53,896 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:53,903 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:53,904 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0} Honda state: {ackermann_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:53,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:53,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:53,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:53,924 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:53,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-13 00:58:53,925 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:53,925 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:53,933 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:53,933 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:53,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:53,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:53,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:53,952 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:53,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-13 00:58:53,953 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:53,954 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:53,961 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:53,962 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:53,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:53,980 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:53,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:53,981 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:53,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-13 00:58:53,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:53,983 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:53,991 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:53,991 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:54,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-13 00:58:54,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:54,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:54,010 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:54,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-13 00:58:54,011 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:54,012 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:54,024 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:54,024 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=4} Honda state: {ackermann_#in~m=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:54,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:54,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:58:54,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:58:54,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:58:54,046 INFO L87 Difference]: Start difference. First operand 110 states and 175 transitions. cyclomatic complexity: 71 Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:58:54,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:58:54,093 INFO L93 Difference]: Finished difference Result 82 states and 111 transitions. [2021-10-13 00:58:54,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:58:54,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 111 transitions. [2021-10-13 00:58:54,095 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2021-10-13 00:58:54,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 76 states and 105 transitions. [2021-10-13 00:58:54,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2021-10-13 00:58:54,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-10-13 00:58:54,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 76 states and 105 transitions. [2021-10-13 00:58:54,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:58:54,099 INFO L681 BuchiCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-10-13 00:58:54,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states and 105 transitions. [2021-10-13 00:58:54,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-10-13 00:58:54,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 53 states have (on average 1.1132075471698113) internal successors, (59), 56 states have internal predecessors, (59), 16 states have call successors, (22), 12 states have call predecessors, (22), 7 states have return successors, (24), 7 states have call predecessors, (24), 13 states have call successors, (24) [2021-10-13 00:58:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2021-10-13 00:58:54,108 INFO L704 BuchiCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-10-13 00:58:54,108 INFO L587 BuchiCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-10-13 00:58:54,108 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 00:58:54,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states and 105 transitions. [2021-10-13 00:58:54,110 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2021-10-13 00:58:54,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:54,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:54,111 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:58:54,111 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:58:54,111 INFO L791 eck$LassoCheckResult]: Stem: 1238#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1239#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 1253#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 1254#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 1259#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 1265#ackermannENTRY ~m := #in~m;~n := #in~n; 1301#L17 assume !(0 == ~m); 1299#L20 assume !(0 == ~n); 1272#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1284#ackermannENTRY ~m := #in~m;~n := #in~n; 1293#L17 assume !(0 == ~m); 1292#L20 assume 0 == ~n; 1244#L21 call #t~ret7 := ackermann(~m - 1, 1);< 1270#ackermannENTRY ~m := #in~m;~n := #in~n; 1305#L17 assume !(0 == ~m); 1294#L20 [2021-10-13 00:58:54,111 INFO L793 eck$LassoCheckResult]: Loop: 1294#L20 assume !(0 == ~n); 1241#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1240#ackermannENTRY ~m := #in~m;~n := #in~n; 1242#L17 assume !(0 == ~m); 1294#L20 [2021-10-13 00:58:54,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:54,112 INFO L82 PathProgramCache]: Analyzing trace with hash -376751137, now seen corresponding path program 2 times [2021-10-13 00:58:54,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:54,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715613805] [2021-10-13 00:58:54,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:54,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:54,122 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:54,134 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:54,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:54,135 INFO L82 PathProgramCache]: Analyzing trace with hash 2009294, now seen corresponding path program 3 times [2021-10-13 00:58:54,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:54,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133914320] [2021-10-13 00:58:54,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:54,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:54,139 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:54,141 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:54,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:54,142 INFO L82 PathProgramCache]: Analyzing trace with hash 2009908652, now seen corresponding path program 3 times [2021-10-13 00:58:54,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:54,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270721071] [2021-10-13 00:58:54,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:54,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:54,175 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:54,188 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:54,252 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:58:54,253 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:58:54,253 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:58:54,253 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:58:54,253 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:58:54,253 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:54,253 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:58:54,253 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:58:54,253 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration6_Loop [2021-10-13 00:58:54,253 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:58:54,253 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:58:54,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:54,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:54,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:54,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:54,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:54,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:54,330 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:58:54,330 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:58:54,330 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:54,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:54,333 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:54,341 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:54,341 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:54,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-13 00:58:54,350 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:54,351 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:54,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:54,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:54,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:54,370 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:54,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-13 00:58:54,372 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:54,372 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:54,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-13 00:58:54,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:54,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:54,405 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:54,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-13 00:58:54,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:58:54,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:54,456 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:54,456 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=-4, ackermann_#in~n=-5} Honda state: {ackermann_~n=-4, ackermann_#in~n=-5} Generalized eigenvectors: [{ackermann_~n=-1, ackermann_#in~n=5}, {ackermann_~n=0, ackermann_#in~n=-6}, {ackermann_~n=0, ackermann_#in~n=1}] Lambdas: [1, 0, 0] Nus: [1, 0] [2021-10-13 00:58:54,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-10-13 00:58:54,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:54,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:54,480 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:54,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-13 00:58:54,481 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:54,481 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:54,489 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:54,489 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:54,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-10-13 00:58:54,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:54,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:54,509 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:54,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-13 00:58:54,511 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:54,511 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:54,519 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:54,519 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:54,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:54,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:54,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:54,538 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:54,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-13 00:58:54,539 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:54,539 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:54,552 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:54,553 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=7, ackermann_~m=7} Honda state: {ackermann_#in~m=7, ackermann_~m=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:54,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-10-13 00:58:54,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:54,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:54,572 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:54,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-13 00:58:54,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:54,573 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:54,581 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:54,581 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:54,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:55,473 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:58:55,473 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:58:55,473 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:58:55,473 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:58:55,473 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:58:55,473 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:55,473 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:58:55,473 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:58:55,473 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration6_Lasso [2021-10-13 00:58:55,473 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:58:55,473 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:58:55,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:55,842 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:58:55,842 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:58:55,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:55,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:55,852 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:55,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-13 00:58:55,866 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 [2021-10-13 00:58:55,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:55,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:55,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:55,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:55,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:55,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:55,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:55,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:55,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-10-13 00:58:55,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:55,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:55,900 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:55,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-13 00:58:55,901 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 [2021-10-13 00:58:55,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:55,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:55,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:55,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:55,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:55,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:55,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:55,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:55,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:55,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:55,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:55,934 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:55,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-13 00:58:55,936 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 [2021-10-13 00:58:55,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:55,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:55,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:55,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:55,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:55,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:55,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:55,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:55,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-10-13 00:58:55,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:55,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:55,964 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:55,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-13 00:58:55,965 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 [2021-10-13 00:58:55,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:55,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:55,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:55,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:55,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:55,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:55,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:55,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-10-13 00:58:55,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:55,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:55,995 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:55,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-13 00:58:55,996 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 [2021-10-13 00:58:56,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:56,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:56,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:56,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,024 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-13 00:58:56,025 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 [2021-10-13 00:58:56,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:56,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:56,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-10-13 00:58:56,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,054 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-13 00:58:56,056 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 [2021-10-13 00:58:56,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:56,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:56,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:56,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-10-13 00:58:56,083 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,084 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-13 00:58:56,086 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 [2021-10-13 00:58:56,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:56,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:56,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,152 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,154 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 [2021-10-13 00:58:56,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:56,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:56,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:56,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-13 00:58:56,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,202 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,204 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 [2021-10-13 00:58:56,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-13 00:58:56,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:56,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:56,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:56,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,232 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-13 00:58:56,233 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 [2021-10-13 00:58:56,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:56,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:56,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:56,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,261 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,265 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 [2021-10-13 00:58:56,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-13 00:58:56,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:56,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:56,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:56,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-10-13 00:58:56,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,293 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-13 00:58:56,294 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 [2021-10-13 00:58:56,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:56,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:56,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:56,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-10-13 00:58:56,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,321 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-13 00:58:56,322 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 [2021-10-13 00:58:56,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:56,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:56,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,353 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-13 00:58:56,354 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 [2021-10-13 00:58:56,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:56,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:56,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,386 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-13 00:58:56,387 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 [2021-10-13 00:58:56,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:56,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:56,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,417 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-13 00:58:56,418 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 [2021-10-13 00:58:56,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:56,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:56,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,448 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-13 00:58:56,450 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 [2021-10-13 00:58:56,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:56,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:56,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,485 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-13 00:58:56,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:58:56,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:56,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:56,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,515 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-13 00:58:56,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:58:56,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:56,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:56,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-10-13 00:58:56,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,553 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-13 00:58:56,554 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 [2021-10-13 00:58:56,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:56,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:56,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-10-13 00:58:56,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,584 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-13 00:58:56,585 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 [2021-10-13 00:58:56,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:56,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:56,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-10-13 00:58:56,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,624 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-13 00:58:56,625 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 [2021-10-13 00:58:56,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:56,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:56,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,665 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-13 00:58:56,666 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 [2021-10-13 00:58:56,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:56,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:56,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,705 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-13 00:58:56,706 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 [2021-10-13 00:58:56,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:56,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:56,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:56,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-10-13 00:58:56,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,734 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,735 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 [2021-10-13 00:58:56,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-13 00:58:56,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:56,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:56,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:56,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-10-13 00:58:56,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,763 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-13 00:58:56,764 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 [2021-10-13 00:58:56,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:56,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:56,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:56,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,792 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-13 00:58:56,793 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 [2021-10-13 00:58:56,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:58:56,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:58:56,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-10-13 00:58:56,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,823 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-13 00:58:56,830 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 [2021-10-13 00:58:56,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:58:56,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:58:56,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:58:56,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:58:56,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:58:56,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:56,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,860 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-13 00:58:56,861 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 [2021-10-13 00:58:56,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:58:56,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:58:56,868 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:58:56,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:58:56,873 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-13 00:58:56,873 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:58:56,888 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:58:56,905 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-13 00:58:56,905 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-13 00:58:56,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:56,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:56,911 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:56,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-13 00:58:56,927 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:58:56,936 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-10-13 00:58:56,936 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:58:56,936 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~n) = 1*ackermann_~n Supporting invariants [1*ackermann_~n >= 0] [2021-10-13 00:58:56,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-10-13 00:58:56,967 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-13 00:58:56,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:57,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:58:57,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:57,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:58:57,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:57,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:57,184 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 4 loop predicates [2021-10-13 00:58:57,185 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34 Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:57,207 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 106 transitions. Complement of second has 6 states. [2021-10-13 00:58:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:58:57,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-13 00:58:57,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-13 00:58:57,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:57,209 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:58:57,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:57,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:58:57,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:57,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:58:57,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:57,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:57,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:57,425 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 4 loop predicates [2021-10-13 00:58:57,425 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34 Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:57,455 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 106 transitions. Complement of second has 6 states. [2021-10-13 00:58:57,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:58:57,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:57,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-13 00:58:57,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-13 00:58:57,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:57,458 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:58:57,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:57,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:58:57,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:57,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:58:57,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:57,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:57,664 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 4 loop predicates [2021-10-13 00:58:57,666 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34 Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:57,785 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 171 states and 230 transitions. Complement of second has 38 states. [2021-10-13 00:58:57,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 3 stem states 3 non-accepting loop states 2 accepting loop states [2021-10-13 00:58:57,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2021-10-13 00:58:57,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-13 00:58:57,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:57,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 19 letters. Loop has 4 letters. [2021-10-13 00:58:57,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:57,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 15 letters. Loop has 8 letters. [2021-10-13 00:58:57,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:58:57,788 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 171 states and 230 transitions. [2021-10-13 00:58:57,792 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2021-10-13 00:58:57,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 171 states to 113 states and 162 transitions. [2021-10-13 00:58:57,796 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2021-10-13 00:58:57,796 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2021-10-13 00:58:57,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 162 transitions. [2021-10-13 00:58:57,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:58:57,797 INFO L681 BuchiCegarLoop]: Abstraction has 113 states and 162 transitions. [2021-10-13 00:58:57,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 162 transitions. [2021-10-13 00:58:57,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 108. [2021-10-13 00:58:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 76 states have (on average 1.131578947368421) internal successors, (86), 79 states have internal predecessors, (86), 22 states have call successors, (29), 17 states have call predecessors, (29), 10 states have return successors, (35), 11 states have call predecessors, (35), 20 states have call successors, (35) [2021-10-13 00:58:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 150 transitions. [2021-10-13 00:58:57,808 INFO L704 BuchiCegarLoop]: Abstraction has 108 states and 150 transitions. [2021-10-13 00:58:57,808 INFO L587 BuchiCegarLoop]: Abstraction has 108 states and 150 transitions. [2021-10-13 00:58:57,808 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-13 00:58:57,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 150 transitions. [2021-10-13 00:58:57,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2021-10-13 00:58:57,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:58:57,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:58:57,811 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:58:57,811 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:58:57,812 INFO L791 eck$LassoCheckResult]: Stem: 1939#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1940#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 1949#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 1950#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 1959#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 1968#ackermannENTRY ~m := #in~m;~n := #in~n; 1958#L17 assume !(0 == ~m); 1960#L20 assume !(0 == ~n); 1942#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1941#ackermannENTRY ~m := #in~m;~n := #in~n; 1943#L17 assume !(0 == ~m); 2025#L20 assume 0 == ~n; 1953#L21 call #t~ret7 := ackermann(~m - 1, 1);< 2006#ackermannENTRY ~m := #in~m;~n := #in~n; 2020#L17 assume 0 == ~m;#res := 1 + ~n; 2019#ackermannFINAL assume true; 1951#ackermannEXIT >#43#return; 1957#L21-1 #res := #t~ret7;havoc #t~ret7; 1947#ackermannFINAL assume true; 1948#ackermannEXIT >#45#return; 1975#L23-1 [2021-10-13 00:58:57,812 INFO L793 eck$LassoCheckResult]: Loop: 1975#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 1978#ackermannENTRY ~m := #in~m;~n := #in~n; 2012#L17 assume !(0 == ~m); 1980#L20 assume !(0 == ~n); 1974#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1978#ackermannENTRY ~m := #in~m;~n := #in~n; 2012#L17 assume !(0 == ~m); 1980#L20 assume 0 == ~n; 1965#L21 call #t~ret7 := ackermann(~m - 1, 1);< 1970#ackermannENTRY ~m := #in~m;~n := #in~n; 2015#L17 assume 0 == ~m;#res := 1 + ~n; 2014#ackermannFINAL assume true; 2004#ackermannEXIT >#43#return; 2001#L21-1 #res := #t~ret7;havoc #t~ret7; 1999#ackermannFINAL assume true; 1985#ackermannEXIT >#45#return; 1975#L23-1 [2021-10-13 00:58:57,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:57,813 INFO L82 PathProgramCache]: Analyzing trace with hash -2142297082, now seen corresponding path program 1 times [2021-10-13 00:58:57,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:57,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171146140] [2021-10-13 00:58:57,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:57,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:57,823 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:57,836 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:57,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:57,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1250092377, now seen corresponding path program 1 times [2021-10-13 00:58:57,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:57,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320223443] [2021-10-13 00:58:57,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:57,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:57,843 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:57,850 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:57,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:57,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1017421986, now seen corresponding path program 1 times [2021-10-13 00:58:57,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:57,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445109033] [2021-10-13 00:58:57,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:57,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:57,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-10-13 00:58:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:57,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:58:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-10-13 00:58:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:57,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:58:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:57,959 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-13 00:58:57,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:58:57,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445109033] [2021-10-13 00:58:57,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445109033] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:58:57,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888210182] [2021-10-13 00:58:57,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:57,960 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:58:57,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:57,974 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:58:57,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Waiting until timeout for monitored process [2021-10-13 00:58:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:58,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 00:58:58,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 00:58:58,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888210182] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:58:58,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:58:58,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 13 [2021-10-13 00:58:58,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54953435] [2021-10-13 00:58:58,486 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:58:58,486 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:58:58,486 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:58:58,486 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:58:58,486 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:58:58,486 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:58,486 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:58:58,486 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:58:58,487 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration7_Loop [2021-10-13 00:58:58,487 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:58:58,487 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:58:58,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:58,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:58,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:58,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:58,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:58:58,553 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:58:58,553 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:58:58,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:58,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:58,554 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:58,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-10-13 00:58:58,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:58,556 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:58,566 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:58:58,566 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:58:58,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:58,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:58,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:58,585 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:58,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-13 00:58:58,588 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:58:58,588 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:58:58,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-10-13 00:58:58,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:58:58,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:58,615 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:58,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-10-13 00:58:58,616 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:58:58,616 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:00,560 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:59:00,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:00,564 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:59:00,564 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:59:00,564 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:59:00,564 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:59:00,564 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:59:00,564 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:00,564 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:59:00,564 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:59:00,564 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration7_Loop [2021-10-13 00:59:00,564 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:59:00,565 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:59:00,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:00,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:00,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:00,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:00,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:00,640 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:59:00,640 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:59:00,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:00,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:00,642 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:00,658 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 [2021-10-13 00:59:00,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:59:00,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:59:00,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:59:00,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:59:00,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:59:00,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:59:00,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:59:00,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-13 00:59:00,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:59:00,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:00,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:00,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:00,712 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:00,714 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 [2021-10-13 00:59:00,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-13 00:59:00,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:59:00,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:59:00,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:59:00,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:59:00,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:59:00,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:59:00,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:59:00,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:59:00,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:00,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:00,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:00,786 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:00,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-13 00:59:00,787 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 [2021-10-13 00:59:00,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:59:00,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:59:00,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:59:00,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:59:00,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:59:00,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:59:00,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:59:00,797 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:59:00,798 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-13 00:59:00,798 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:59:00,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:00,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:00,800 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:00,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-13 00:59:00,800 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:59:00,800 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:59:00,801 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:59:00,801 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~m) = 1*ackermann_~m Supporting invariants [] [2021-10-13 00:59:00,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:00,819 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:59:00,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:00,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:59:00,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:00,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:01,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-13 00:59:01,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:01,291 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:59:01,292 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 7 loop predicates [2021-10-13 00:59:01,292 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 108 states and 150 transitions. cyclomatic complexity: 46 Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-13 00:59:01,391 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 108 states and 150 transitions. cyclomatic complexity: 46. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Result 185 states and 266 transitions. Complement of second has 20 states. [2021-10-13 00:59:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 00:59:01,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-13 00:59:01,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2021-10-13 00:59:01,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 20 letters. Loop has 16 letters. [2021-10-13 00:59:01,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:59:01,394 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:59:01,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:01,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:59:01,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:01,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-13 00:59:01,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:59:01,774 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 7 loop predicates [2021-10-13 00:59:01,774 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 108 states and 150 transitions. cyclomatic complexity: 46 Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-13 00:59:01,966 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 108 states and 150 transitions. cyclomatic complexity: 46. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Result 272 states and 409 transitions. Complement of second has 32 states. [2021-10-13 00:59:01,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-13 00:59:01,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-13 00:59:01,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 33 transitions. [2021-10-13 00:59:01,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 20 letters. Loop has 16 letters. [2021-10-13 00:59:01,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:59:01,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 36 letters. Loop has 16 letters. [2021-10-13 00:59:01,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:59:01,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 20 letters. Loop has 32 letters. [2021-10-13 00:59:01,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:59:01,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 272 states and 409 transitions. [2021-10-13 00:59:01,976 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 47 [2021-10-13 00:59:01,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 272 states to 222 states and 347 transitions. [2021-10-13 00:59:01,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2021-10-13 00:59:01,983 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 122 [2021-10-13 00:59:01,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 222 states and 347 transitions. [2021-10-13 00:59:01,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:59:01,983 INFO L681 BuchiCegarLoop]: Abstraction has 222 states and 347 transitions. [2021-10-13 00:59:01,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states and 347 transitions. [2021-10-13 00:59:01,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 209. [2021-10-13 00:59:02,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 138 states have (on average 1.1666666666666667) internal successors, (161), 148 states have internal predecessors, (161), 47 states have call successors, (64), 28 states have call predecessors, (64), 24 states have return successors, (102), 32 states have call predecessors, (102), 41 states have call successors, (102) [2021-10-13 00:59:02,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 327 transitions. [2021-10-13 00:59:02,004 INFO L704 BuchiCegarLoop]: Abstraction has 209 states and 327 transitions. [2021-10-13 00:59:02,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:02,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-13 00:59:02,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-10-13 00:59:02,005 INFO L87 Difference]: Start difference. First operand 209 states and 327 transitions. Second operand has 14 states, 12 states have (on average 2.5) internal successors, (30), 10 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2021-10-13 00:59:02,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:02,219 INFO L93 Difference]: Finished difference Result 232 states and 364 transitions. [2021-10-13 00:59:02,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:59:02,219 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 364 transitions. [2021-10-13 00:59:02,225 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 53 [2021-10-13 00:59:02,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 230 states and 362 transitions. [2021-10-13 00:59:02,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-10-13 00:59:02,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-10-13 00:59:02,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 230 states and 362 transitions. [2021-10-13 00:59:02,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:59:02,234 INFO L681 BuchiCegarLoop]: Abstraction has 230 states and 362 transitions. [2021-10-13 00:59:02,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states and 362 transitions. [2021-10-13 00:59:02,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 223. [2021-10-13 00:59:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 147 states have (on average 1.1360544217687074) internal successors, (167), 157 states have internal predecessors, (167), 48 states have call successors, (63), 30 states have call predecessors, (63), 28 states have return successors, (121), 35 states have call predecessors, (121), 42 states have call successors, (121) [2021-10-13 00:59:02,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 351 transitions. [2021-10-13 00:59:02,267 INFO L704 BuchiCegarLoop]: Abstraction has 223 states and 351 transitions. [2021-10-13 00:59:02,267 INFO L587 BuchiCegarLoop]: Abstraction has 223 states and 351 transitions. [2021-10-13 00:59:02,267 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-13 00:59:02,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 223 states and 351 transitions. [2021-10-13 00:59:02,270 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 53 [2021-10-13 00:59:02,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:59:02,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:59:02,272 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:02,272 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:59:02,272 INFO L791 eck$LassoCheckResult]: Stem: 3422#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3423#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 3443#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 3444#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 3476#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 3477#ackermannENTRY ~m := #in~m;~n := #in~n; 3524#L17 assume !(0 == ~m); 3522#L20 assume !(0 == ~n); 3451#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3518#ackermannENTRY ~m := #in~m;~n := #in~n; 3519#L17 assume !(0 == ~m); 3535#L20 assume 0 == ~n; 3431#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3533#ackermannENTRY ~m := #in~m;~n := #in~n; 3536#L17 assume 0 == ~m;#res := 1 + ~n; 3534#ackermannFINAL assume true; 3530#ackermannEXIT >#43#return; 3529#L21-1 #res := #t~ret7;havoc #t~ret7; 3528#ackermannFINAL assume true; 3526#ackermannEXIT >#45#return; 3469#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 3475#ackermannENTRY ~m := #in~m;~n := #in~n; 3608#L17 assume !(0 == ~m); 3462#L20 assume !(0 == ~n); 3464#L23 [2021-10-13 00:59:02,273 INFO L793 eck$LassoCheckResult]: Loop: 3464#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3581#ackermannENTRY ~m := #in~m;~n := #in~n; 3578#L17 assume !(0 == ~m); 3579#L20 assume !(0 == ~n); 3464#L23 [2021-10-13 00:59:02,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:02,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1132004457, now seen corresponding path program 2 times [2021-10-13 00:59:02,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:02,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455484261] [2021-10-13 00:59:02,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:02,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:02,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-10-13 00:59:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:02,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 00:59:02,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:02,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455484261] [2021-10-13 00:59:02,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455484261] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:02,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197766006] [2021-10-13 00:59:02,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:59:02,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:59:02,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:02,410 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:59:02,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (134)] Waiting until timeout for monitored process [2021-10-13 00:59:02,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:59:02,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:59:02,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-13 00:59:02,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 00:59:02,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197766006] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:02,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:59:02,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-10-13 00:59:02,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343056125] [2021-10-13 00:59:02,684 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:59:02,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:02,684 INFO L82 PathProgramCache]: Analyzing trace with hash 2259284, now seen corresponding path program 4 times [2021-10-13 00:59:02,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:02,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159363861] [2021-10-13 00:59:02,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:02,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:59:02,690 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:59:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:59:02,693 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:59:02,771 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:59:02,771 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:59:02,771 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:59:02,771 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:59:02,771 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:59:02,771 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:02,771 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:59:02,772 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:59:02,772 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration8_Loop [2021-10-13 00:59:02,772 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:59:02,772 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:59:02,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:02,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:02,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:02,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:02,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:02,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:02,862 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:59:02,862 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:59:02,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:02,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:02,866 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:02,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:59:02,871 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:02,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-10-13 00:59:02,898 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:59:02,898 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:59:02,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:02,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:02,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:02,926 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:02,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-10-13 00:59:02,927 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:59:02,928 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:02,935 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:59:02,935 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:59:02,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:02,954 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:02,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:02,955 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:02,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-10-13 00:59:02,966 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:59:02,966 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:02,979 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:59:02,979 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=7, ackermann_~m=7} Honda state: {ackermann_#in~m=7, ackermann_~m=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:59:02,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-10-13 00:59:02,998 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:02,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:02,999 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:03,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:59:03,019 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:03,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-10-13 00:59:03,032 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:59:03,032 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:59:03,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:03,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:03,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:03,052 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:03,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-10-13 00:59:03,053 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:59:03,053 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:03,060 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:59:03,061 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:59:03,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:03,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:03,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:03,080 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:03,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-10-13 00:59:03,081 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:59:03,081 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:03,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:03,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:03,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:03,115 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:03,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-10-13 00:59:03,116 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:59:03,116 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:06,447 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:59:06,447 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=-1, ackermann_#in~n=1} Honda state: {ackermann_~n=-1, ackermann_#in~n=1} Generalized eigenvectors: [{ackermann_~n=-1, ackermann_#in~n=7}, {ackermann_~n=0, ackermann_#in~n=-8}, {ackermann_~n=0, ackermann_#in~n=-2}] Lambdas: [1, 0, 0] Nus: [1, 0] [2021-10-13 00:59:06,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:06,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:06,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:59:06,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:59:06,467 INFO L87 Difference]: Start difference. First operand 223 states and 351 transitions. cyclomatic complexity: 135 Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 00:59:06,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:06,563 INFO L93 Difference]: Finished difference Result 169 states and 264 transitions. [2021-10-13 00:59:06,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:59:06,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 264 transitions. [2021-10-13 00:59:06,568 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2021-10-13 00:59:06,571 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 161 states and 238 transitions. [2021-10-13 00:59:06,572 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2021-10-13 00:59:06,572 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113 [2021-10-13 00:59:06,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 238 transitions. [2021-10-13 00:59:06,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:59:06,573 INFO L681 BuchiCegarLoop]: Abstraction has 161 states and 238 transitions. [2021-10-13 00:59:06,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 238 transitions. [2021-10-13 00:59:06,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 155. [2021-10-13 00:59:06,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 104 states have (on average 1.0961538461538463) internal successors, (114), 105 states have internal predecessors, (114), 31 states have call successors, (37), 23 states have call predecessors, (37), 20 states have return successors, (64), 26 states have call predecessors, (64), 29 states have call successors, (64) [2021-10-13 00:59:06,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2021-10-13 00:59:06,585 INFO L704 BuchiCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-10-13 00:59:06,585 INFO L587 BuchiCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-10-13 00:59:06,585 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-13 00:59:06,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 215 transitions. [2021-10-13 00:59:06,587 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2021-10-13 00:59:06,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:59:06,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:59:06,602 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 7, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-10-13 00:59:06,602 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [12, 11, 7, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2] [2021-10-13 00:59:06,602 INFO L791 eck$LassoCheckResult]: Stem: 3913#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3914#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 3929#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 3930#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 3936#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 3937#ackermannENTRY ~m := #in~m;~n := #in~n; 4032#L17 assume !(0 == ~m); 3935#L20 assume !(0 == ~n); 3919#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 4015#ackermannENTRY ~m := #in~m;~n := #in~n; 4009#L17 assume !(0 == ~m); 4008#L20 assume 0 == ~n; 3922#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3983#ackermannENTRY ~m := #in~m;~n := #in~n; 4001#L17 assume !(0 == ~m); 4000#L20 assume !(0 == ~n); 3972#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3999#ackermannENTRY ~m := #in~m;~n := #in~n; 4026#L17 assume !(0 == ~m); 4025#L20 assume !(0 == ~n); 3965#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 4018#ackermannENTRY ~m := #in~m;~n := #in~n; 4019#L17 assume !(0 == ~m); 4016#L20 assume 0 == ~n; 3925#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3984#ackermannENTRY ~m := #in~m;~n := #in~n; 4014#L17 assume 0 == ~m;#res := 1 + ~n; 4007#ackermannFINAL assume true; 4004#ackermannEXIT >#43#return; 4005#L21-1 #res := #t~ret7;havoc #t~ret7; 4053#ackermannFINAL assume true; 4052#ackermannEXIT >#45#return; 4049#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4051#ackermannENTRY ~m := #in~m;~n := #in~n; 4055#L17 assume 0 == ~m;#res := 1 + ~n; 4054#ackermannFINAL assume true; 4047#ackermannEXIT >#47#return; 4050#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 4064#ackermannFINAL assume true; 4062#ackermannEXIT >#45#return; 4061#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4066#ackermannENTRY ~m := #in~m;~n := #in~n; 4067#L17 assume 0 == ~m;#res := 1 + ~n; 3993#ackermannFINAL assume true; 4065#ackermannEXIT >#47#return; 3932#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 3921#ackermannFINAL assume true; 3928#ackermannEXIT >#43#return; 3981#L21-1 #res := #t~ret7;havoc #t~ret7; 4020#ackermannFINAL assume true; 3968#ackermannEXIT >#45#return; 3938#L23-1 [2021-10-13 00:59:06,604 INFO L793 eck$LassoCheckResult]: Loop: 3938#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 3950#ackermannENTRY ~m := #in~m;~n := #in~n; 3956#L17 assume !(0 == ~m); 3958#L20 assume !(0 == ~n); 3942#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3950#ackermannENTRY ~m := #in~m;~n := #in~n; 3956#L17 assume !(0 == ~m); 3958#L20 assume 0 == ~n; 3927#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3944#ackermannENTRY ~m := #in~m;~n := #in~n; 3979#L17 assume !(0 == ~m); 3977#L20 assume !(0 == ~n); 3948#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3967#ackermannENTRY ~m := #in~m;~n := #in~n; 3989#L17 assume !(0 == ~m); 3988#L20 assume !(0 == ~n); 3941#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3962#ackermannENTRY ~m := #in~m;~n := #in~n; 3959#L17 assume !(0 == ~m); 3960#L20 assume !(0 == ~n); 3943#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3962#ackermannENTRY ~m := #in~m;~n := #in~n; 3959#L17 assume !(0 == ~m); 3960#L20 assume !(0 == ~n); 3943#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3962#ackermannENTRY ~m := #in~m;~n := #in~n; 3959#L17 assume !(0 == ~m); 3961#L20 assume 0 == ~n; 3927#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3944#ackermannENTRY ~m := #in~m;~n := #in~n; 3979#L17 assume 0 == ~m;#res := 1 + ~n; 3980#ackermannFINAL assume true; 4043#ackermannEXIT >#43#return; 4033#L21-1 #res := #t~ret7;havoc #t~ret7; 4034#ackermannFINAL assume true; 3985#ackermannEXIT >#45#return; 3986#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4042#ackermannENTRY ~m := #in~m;~n := #in~n; 4057#L17 assume 0 == ~m;#res := 1 + ~n; 4056#ackermannFINAL assume true; 4040#ackermannEXIT >#47#return; 4035#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 4021#ackermannFINAL assume true; 4022#ackermannEXIT >#45#return; 4037#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4041#ackermannENTRY ~m := #in~m;~n := #in~n; 4058#L17 assume 0 == ~m;#res := 1 + ~n; 3957#ackermannFINAL assume true; 4036#ackermannEXIT >#47#return; 4035#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 4021#ackermannFINAL assume true; 4022#ackermannEXIT >#45#return; 4038#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4041#ackermannENTRY ~m := #in~m;~n := #in~n; 4058#L17 assume 0 == ~m;#res := 1 + ~n; 3957#ackermannFINAL assume true; 4036#ackermannEXIT >#47#return; 4039#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 4063#ackermannFINAL assume true; 4060#ackermannEXIT >#45#return; 4061#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4066#ackermannENTRY ~m := #in~m;~n := #in~n; 4067#L17 assume 0 == ~m;#res := 1 + ~n; 3993#ackermannFINAL assume true; 4065#ackermannEXIT >#47#return; 3932#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 3921#ackermannFINAL assume true; 3928#ackermannEXIT >#43#return; 3981#L21-1 #res := #t~ret7;havoc #t~ret7; 4020#ackermannFINAL assume true; 3968#ackermannEXIT >#45#return; 3938#L23-1 [2021-10-13 00:59:06,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:06,605 INFO L82 PathProgramCache]: Analyzing trace with hash -77167706, now seen corresponding path program 1 times [2021-10-13 00:59:06,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:06,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781573683] [2021-10-13 00:59:06,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:06,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:06,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-10-13 00:59:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:06,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:06,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:06,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:06,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:06,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:06,755 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 45 proven. 23 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-13 00:59:06,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:06,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781573683] [2021-10-13 00:59:06,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781573683] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:06,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762042422] [2021-10-13 00:59:06,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:06,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:59:06,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:06,758 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:59:06,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (142)] Waiting until timeout for monitored process [2021-10-13 00:59:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:06,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:59:06,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:07,133 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 48 proven. 15 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-10-13 00:59:07,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762042422] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:07,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:59:07,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-10-13 00:59:07,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081782773] [2021-10-13 00:59:07,137 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:59:07,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:07,138 INFO L82 PathProgramCache]: Analyzing trace with hash -804805273, now seen corresponding path program 1 times [2021-10-13 00:59:07,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:07,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482144691] [2021-10-13 00:59:07,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:07,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:07,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 00:59:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:07,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:07,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:07,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:07,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:07,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:07,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:07,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:07,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:07,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:07,369 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 103 proven. 65 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-10-13 00:59:07,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:07,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482144691] [2021-10-13 00:59:07,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482144691] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:07,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263171565] [2021-10-13 00:59:07,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:07,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:59:07,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:07,378 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:59:07,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (143)] Waiting until timeout for monitored process [2021-10-13 00:59:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:07,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 00:59:07,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:07,836 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 112 proven. 45 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-10-13 00:59:07,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263171565] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:07,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:59:07,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-10-13 00:59:07,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120392790] [2021-10-13 00:59:07,839 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:59:07,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:07,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 00:59:07,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-10-13 00:59:07,840 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. cyclomatic complexity: 64 Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 9 states have call successors, (11), 1 states have call predecessors, (11), 7 states have return successors, (12), 6 states have call predecessors, (12), 9 states have call successors, (12) [2021-10-13 00:59:07,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:07,984 INFO L93 Difference]: Finished difference Result 177 states and 292 transitions. [2021-10-13 00:59:07,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:59:07,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 177 states and 292 transitions. [2021-10-13 00:59:07,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2021-10-13 00:59:07,992 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 177 states to 156 states and 245 transitions. [2021-10-13 00:59:07,992 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 109 [2021-10-13 00:59:07,993 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 109 [2021-10-13 00:59:07,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 245 transitions. [2021-10-13 00:59:07,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:59:07,993 INFO L681 BuchiCegarLoop]: Abstraction has 156 states and 245 transitions. [2021-10-13 00:59:07,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 245 transitions. [2021-10-13 00:59:08,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 137. [2021-10-13 00:59:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 93 states have (on average 1.10752688172043) internal successors, (103), 94 states have internal predecessors, (103), 28 states have call successors, (33), 21 states have call predecessors, (33), 16 states have return successors, (48), 21 states have call predecessors, (48), 25 states have call successors, (48) [2021-10-13 00:59:08,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 184 transitions. [2021-10-13 00:59:08,015 INFO L704 BuchiCegarLoop]: Abstraction has 137 states and 184 transitions. [2021-10-13 00:59:08,015 INFO L587 BuchiCegarLoop]: Abstraction has 137 states and 184 transitions. [2021-10-13 00:59:08,015 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-13 00:59:08,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 184 transitions. [2021-10-13 00:59:08,016 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 28 [2021-10-13 00:59:08,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:59:08,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:59:08,023 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:08,023 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [13, 12, 9, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3] [2021-10-13 00:59:08,024 INFO L791 eck$LassoCheckResult]: Stem: 5023#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 5024#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 5046#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 5047#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 5045#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 5063#ackermannENTRY ~m := #in~m;~n := #in~n; 5093#L17 assume !(0 == ~m); 5091#L20 assume !(0 == ~n); 5040#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5088#ackermannENTRY ~m := #in~m;~n := #in~n; 5087#L17 assume !(0 == ~m); 5055#L20 assume 0 == ~n; 5056#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5100#ackermannENTRY ~m := #in~m;~n := #in~n; 5105#L17 assume !(0 == ~m); 5106#L20 assume !(0 == ~n); 5058#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5071#ackermannENTRY ~m := #in~m;~n := #in~n; 5103#L17 assume !(0 == ~m); 5097#L20 assume 0 == ~n; 5070#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5101#ackermannENTRY ~m := #in~m;~n := #in~n; 5123#L17 assume 0 == ~m;#res := 1 + ~n; 5121#ackermannFINAL assume true; 5115#ackermannEXIT >#43#return; 5116#L21-1 #res := #t~ret7;havoc #t~ret7; 5147#ackermannFINAL assume true; 5144#ackermannEXIT >#45#return; 5126#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5127#ackermannENTRY ~m := #in~m;~n := #in~n; 5139#L17 assume 0 == ~m;#res := 1 + ~n; 5138#ackermannFINAL assume true; 5125#ackermannEXIT >#47#return; 5124#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 5122#ackermannFINAL assume true; 5113#ackermannEXIT >#43#return; 5066#L21-1 #res := #t~ret7;havoc #t~ret7; 5032#ackermannFINAL assume true; 5044#ackermannEXIT >#45#return; 5035#L23-1 [2021-10-13 00:59:08,024 INFO L793 eck$LassoCheckResult]: Loop: 5035#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5069#ackermannENTRY ~m := #in~m;~n := #in~n; 5075#L17 assume !(0 == ~m); 5077#L20 assume !(0 == ~n); 5034#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5069#ackermannENTRY ~m := #in~m;~n := #in~n; 5075#L17 assume !(0 == ~m); 5077#L20 assume 0 == ~n; 5064#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume !(0 == ~m); 5084#L20 assume !(0 == ~n); 5067#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5081#ackermannENTRY ~m := #in~m;~n := #in~n; 5082#L17 assume !(0 == ~m); 5074#L20 assume 0 == ~n; 5073#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume !(0 == ~m); 5084#L20 assume !(0 == ~n); 5067#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5081#ackermannENTRY ~m := #in~m;~n := #in~n; 5082#L17 assume !(0 == ~m); 5074#L20 assume 0 == ~n; 5073#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume 0 == ~m;#res := 1 + ~n; 5086#ackermannFINAL assume true; 5117#ackermannEXIT >#43#return; 5119#L21-1 #res := #t~ret7;havoc #t~ret7; 5137#ackermannFINAL assume true; 5136#ackermannEXIT >#45#return; 5132#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5133#ackermannENTRY ~m := #in~m;~n := #in~n; 5146#L17 assume 0 == ~m;#res := 1 + ~n; 5145#ackermannFINAL assume true; 5131#ackermannEXIT >#47#return; 5129#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 5128#ackermannFINAL assume true; 5120#ackermannEXIT >#43#return; 5114#L21-1 #res := #t~ret7;havoc #t~ret7; 5143#ackermannFINAL assume true; 5135#ackermannEXIT >#45#return; 5061#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5134#ackermannENTRY ~m := #in~m;~n := #in~n; 5140#L17 assume !(0 == ~m); 5072#L20 assume 0 == ~n; 5073#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume !(0 == ~m); 5084#L20 assume !(0 == ~n); 5067#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5081#ackermannENTRY ~m := #in~m;~n := #in~n; 5082#L17 assume !(0 == ~m); 5074#L20 assume 0 == ~n; 5073#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume 0 == ~m;#res := 1 + ~n; 5086#ackermannFINAL assume true; 5117#ackermannEXIT >#43#return; 5119#L21-1 #res := #t~ret7;havoc #t~ret7; 5137#ackermannFINAL assume true; 5136#ackermannEXIT >#45#return; 5132#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5133#ackermannENTRY ~m := #in~m;~n := #in~n; 5146#L17 assume 0 == ~m;#res := 1 + ~n; 5145#ackermannFINAL assume true; 5131#ackermannEXIT >#47#return; 5129#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 5128#ackermannFINAL assume true; 5120#ackermannEXIT >#43#return; 5114#L21-1 #res := #t~ret7;havoc #t~ret7; 5143#ackermannFINAL assume true; 5135#ackermannEXIT >#47#return; 5129#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 5128#ackermannFINAL assume true; 5120#ackermannEXIT >#43#return; 5066#L21-1 #res := #t~ret7;havoc #t~ret7; 5032#ackermannFINAL assume true; 5044#ackermannEXIT >#45#return; 5035#L23-1 [2021-10-13 00:59:08,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:08,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1100790060, now seen corresponding path program 2 times [2021-10-13 00:59:08,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:08,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603054455] [2021-10-13 00:59:08,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:08,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:59:08,037 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:59:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:59:08,051 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:59:08,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:08,052 INFO L82 PathProgramCache]: Analyzing trace with hash -119431079, now seen corresponding path program 2 times [2021-10-13 00:59:08,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:08,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669740710] [2021-10-13 00:59:08,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:08,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 00:59:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:08,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:08,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:08,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:08,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:08,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:08,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:08,252 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 152 proven. 59 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-13 00:59:08,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:08,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669740710] [2021-10-13 00:59:08,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669740710] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:08,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748138984] [2021-10-13 00:59:08,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:59:08,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:59:08,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:08,262 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:59:08,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (144)] Waiting until timeout for monitored process [2021-10-13 00:59:08,557 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:59:08,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:59:08,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-13 00:59:08,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:08,836 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 90 proven. 84 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-10-13 00:59:08,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748138984] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:08,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:59:08,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-10-13 00:59:08,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309258984] [2021-10-13 00:59:08,838 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:59:08,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:08,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-13 00:59:08,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-13 00:59:08,839 INFO L87 Difference]: Start difference. First operand 137 states and 184 transitions. cyclomatic complexity: 51 Second operand has 20 states, 16 states have (on average 2.375) internal successors, (38), 13 states have internal predecessors, (38), 7 states have call successors, (11), 1 states have call predecessors, (11), 11 states have return successors, (21), 15 states have call predecessors, (21), 7 states have call successors, (21) [2021-10-13 00:59:09,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:09,700 INFO L93 Difference]: Finished difference Result 177 states and 270 transitions. [2021-10-13 00:59:09,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-13 00:59:09,701 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 177 states and 270 transitions. [2021-10-13 00:59:09,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 34 [2021-10-13 00:59:09,708 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 177 states to 176 states and 262 transitions. [2021-10-13 00:59:09,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 130 [2021-10-13 00:59:09,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 130 [2021-10-13 00:59:09,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 176 states and 262 transitions. [2021-10-13 00:59:09,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:59:09,709 INFO L681 BuchiCegarLoop]: Abstraction has 176 states and 262 transitions. [2021-10-13 00:59:09,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states and 262 transitions. [2021-10-13 00:59:09,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 165. [2021-10-13 00:59:09,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 109 states have (on average 1.0825688073394495) internal successors, (118), 113 states have internal predecessors, (118), 35 states have call successors, (40), 23 states have call predecessors, (40), 21 states have return successors, (88), 28 states have call predecessors, (88), 30 states have call successors, (88) [2021-10-13 00:59:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 246 transitions. [2021-10-13 00:59:09,718 INFO L704 BuchiCegarLoop]: Abstraction has 165 states and 246 transitions. [2021-10-13 00:59:09,718 INFO L587 BuchiCegarLoop]: Abstraction has 165 states and 246 transitions. [2021-10-13 00:59:09,718 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-13 00:59:09,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 246 transitions. [2021-10-13 00:59:09,720 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 34 [2021-10-13 00:59:09,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:59:09,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:59:09,721 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:59:09,721 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 00:59:09,722 INFO L791 eck$LassoCheckResult]: Stem: 5936#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 5937#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 5956#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 5957#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 5973#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 5974#ackermannENTRY ~m := #in~m;~n := #in~n; 6002#L17 assume !(0 == ~m); 6000#L20 assume !(0 == ~n); 5989#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5996#ackermannENTRY ~m := #in~m;~n := #in~n; 5997#L17 assume !(0 == ~m); 5988#L20 assume 0 == ~n; 5990#L21 call #t~ret7 := ackermann(~m - 1, 1);< 6038#ackermannENTRY ~m := #in~m;~n := #in~n; 6071#L17 assume !(0 == ~m); 6070#L20 assume !(0 == ~n); 5981#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 6040#ackermannENTRY ~m := #in~m;~n := #in~n; 6041#L17 assume !(0 == ~m); 5995#L20 assume 0 == ~n; 6009#L21 call #t~ret7 := ackermann(~m - 1, 1);< 6037#ackermannENTRY ~m := #in~m;~n := #in~n; 6078#L17 assume 0 == ~m;#res := 1 + ~n; 6077#ackermannFINAL assume true; 6076#ackermannEXIT >#43#return; 6074#L21-1 #res := #t~ret7;havoc #t~ret7; 6072#ackermannFINAL assume true; 6069#ackermannEXIT >#45#return; 6067#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 6068#ackermannENTRY ~m := #in~m;~n := #in~n; 6075#L17 assume 0 == ~m;#res := 1 + ~n; 6073#ackermannFINAL assume true; 6066#ackermannEXIT >#47#return; 6065#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 6064#ackermannFINAL assume true; 6057#ackermannEXIT >#43#return; 6054#L21-1 #res := #t~ret7;havoc #t~ret7; 6051#ackermannFINAL assume true; 6043#ackermannEXIT >#45#return; 5952#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 6023#ackermannENTRY [2021-10-13 00:59:09,722 INFO L793 eck$LassoCheckResult]: Loop: 6023#ackermannENTRY ~m := #in~m;~n := #in~n; 6022#L17 assume !(0 == ~m); 6021#L20 assume !(0 == ~n); 5950#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 6023#ackermannENTRY [2021-10-13 00:59:09,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:09,722 INFO L82 PathProgramCache]: Analyzing trace with hash -235246462, now seen corresponding path program 3 times [2021-10-13 00:59:09,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:09,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333190825] [2021-10-13 00:59:09,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:09,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:59:09,735 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:59:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:59:09,749 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:59:09,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:09,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1697294, now seen corresponding path program 5 times [2021-10-13 00:59:09,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:09,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074055537] [2021-10-13 00:59:09,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:09,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:59:09,755 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:59:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:59:09,757 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:59:09,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:09,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1578641935, now seen corresponding path program 4 times [2021-10-13 00:59:09,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:09,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379474280] [2021-10-13 00:59:09,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:09,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:59:09,789 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:59:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:59:09,806 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:59:09,867 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:59:09,868 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:59:09,868 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:59:09,868 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:59:09,868 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:59:09,868 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:09,868 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:59:09,869 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:59:09,869 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration11_Loop [2021-10-13 00:59:09,869 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:59:09,869 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:59:09,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:09,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:09,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:09,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:09,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:09,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:09,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:09,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:09,951 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:59:09,951 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:59:09,951 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:09,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:09,984 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:10,047 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:59:10,047 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:10,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-10-13 00:59:10,068 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:59:10,068 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:59:10,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:10,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:10,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:10,100 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:10,102 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:59:10,102 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:10,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-10-13 00:59:10,122 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:59:10,122 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:59:10,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:10,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:10,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:10,160 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:10,161 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:59:10,162 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:10,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-10-13 00:59:10,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:10,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:10,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:10,215 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:10,217 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:59:10,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-10-13 00:59:10,217 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:10,280 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:59:10,280 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~n=-4} Honda state: {ackermann_#in~n=-4} Generalized eigenvectors: [{ackermann_#in~n=-1}, {ackermann_#in~n=0}, {ackermann_#in~n=0}] Lambdas: [1, 1, 1] Nus: [1, 0] [2021-10-13 00:59:10,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:10,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:10,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:10,301 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:10,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-10-13 00:59:10,302 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:59:10,302 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:10,309 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:59:10,309 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0} Honda state: {ackermann_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:59:10,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-10-13 00:59:10,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:10,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:10,329 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:10,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-10-13 00:59:10,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:59:10,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:10,343 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:59:10,343 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=4} Honda state: {ackermann_#in~m=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:59:10,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2021-10-13 00:59:10,362 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:10,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:10,363 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:10,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-10-13 00:59:10,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:59:10,364 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:10,372 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:59:10,372 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:59:10,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-10-13 00:59:10,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:10,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:10,392 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:10,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-10-13 00:59:10,393 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:59:10,393 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:10,401 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:59:10,401 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~m=0} Honda state: {ackermann_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:59:10,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2021-10-13 00:59:10,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:10,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:10,421 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:10,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-10-13 00:59:10,422 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:59:10,422 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:59:10,434 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:59:10,434 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:59:10,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2021-10-13 00:59:11,635 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:59:11,635 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:59:11,635 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:59:11,635 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:59:11,635 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:59:11,635 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:11,635 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:59:11,636 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:59:11,636 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration11_Lasso [2021-10-13 00:59:11,636 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:59:11,636 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:59:11,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:59:11,982 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:59:11,982 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:59:11,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:11,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:11,990 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:11,994 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 [2021-10-13 00:59:12,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:59:12,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:59:12,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:59:12,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:59:12,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:59:12,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:59:12,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:59:12,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-10-13 00:59:12,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:59:12,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2021-10-13 00:59:12,024 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:12,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:12,025 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:12,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-10-13 00:59:12,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:59:12,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:59:12,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:59:12,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:59:12,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:59:12,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:59:12,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:59:12,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:59:12,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:59:12,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2021-10-13 00:59:12,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:12,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:12,055 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:12,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-10-13 00:59:12,056 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 [2021-10-13 00:59:12,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:59:12,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:59:12,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:59:12,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:59:12,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:59:12,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:59:12,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:59:12,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2021-10-13 00:59:12,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:12,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:12,094 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:12,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-10-13 00:59:12,095 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 [2021-10-13 00:59:12,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:59:12,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:59:12,102 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:59:12,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:59:12,109 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-13 00:59:12,109 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:59:12,121 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:59:12,142 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-13 00:59:12,142 INFO L444 ModelExtractionUtils]: 0 out of 11 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-10-13 00:59:12,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:59:12,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:12,143 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:59:12,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-10-13 00:59:12,144 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:59:12,153 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-10-13 00:59:12,153 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:59:12,153 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_#in~n) = 1*ackermann_#in~n Supporting invariants [1*ackermann_#in~n >= 0] [2021-10-13 00:59:12,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:12,184 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-13 00:59:12,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:12,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-13 00:59:12,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:12,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:13,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:59:13,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:13,246 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.11 stem predicates 3 loop predicates [2021-10-13 00:59:13,246 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86 Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-13 00:59:13,565 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86. Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Result 169 states and 255 transitions. Complement of second has 13 states. [2021-10-13 00:59:13,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 7 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:59:13,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-13 00:59:13,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2021-10-13 00:59:13,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-13 00:59:13,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:59:13,571 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:59:13,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:13,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-13 00:59:13,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:14,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:59:14,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:14,545 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.11 stem predicates 3 loop predicates [2021-10-13 00:59:14,545 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86 Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-13 00:59:14,837 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86. Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Result 169 states and 255 transitions. Complement of second has 13 states. [2021-10-13 00:59:14,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 7 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:59:14,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-13 00:59:14,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2021-10-13 00:59:14,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-13 00:59:14,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:59:14,839 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:59:14,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:14,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-13 00:59:14,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:15,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:59:15,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:15,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:59:15,762 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.11 stem predicates 3 loop predicates [2021-10-13 00:59:15,763 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86 Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-13 00:59:16,307 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86. Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Result 258 states and 363 transitions. Complement of second has 42 states. [2021-10-13 00:59:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 12 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:59:16,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-13 00:59:16,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 37 transitions. [2021-10-13 00:59:16,309 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-13 00:59:16,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:59:16,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 44 letters. Loop has 4 letters. [2021-10-13 00:59:16,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:59:16,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 40 letters. Loop has 8 letters. [2021-10-13 00:59:16,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:59:16,312 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 258 states and 363 transitions. [2021-10-13 00:59:16,317 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 43 [2021-10-13 00:59:16,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 258 states to 209 states and 287 transitions. [2021-10-13 00:59:16,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2021-10-13 00:59:16,321 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142 [2021-10-13 00:59:16,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 209 states and 287 transitions. [2021-10-13 00:59:16,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:59:16,326 INFO L681 BuchiCegarLoop]: Abstraction has 209 states and 287 transitions. [2021-10-13 00:59:16,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states and 287 transitions. [2021-10-13 00:59:16,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 184. [2021-10-13 00:59:16,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 122 states have (on average 1.0819672131147542) internal successors, (132), 124 states have internal predecessors, (132), 42 states have call successors, (48), 25 states have call predecessors, (48), 20 states have return successors, (60), 34 states have call predecessors, (60), 37 states have call successors, (60) [2021-10-13 00:59:16,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 240 transitions. [2021-10-13 00:59:16,336 INFO L704 BuchiCegarLoop]: Abstraction has 184 states and 240 transitions. [2021-10-13 00:59:16,336 INFO L587 BuchiCegarLoop]: Abstraction has 184 states and 240 transitions. [2021-10-13 00:59:16,336 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-13 00:59:16,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 184 states and 240 transitions. [2021-10-13 00:59:16,338 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 40 [2021-10-13 00:59:16,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:59:16,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:59:16,341 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [14, 11, 10, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1] [2021-10-13 00:59:16,341 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [14, 11, 10, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3] [2021-10-13 00:59:16,342 INFO L791 eck$LassoCheckResult]: Stem: 7304#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 7305#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 7323#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 7324#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 7341#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 7342#ackermannENTRY ~m := #in~m;~n := #in~n; 7364#L17 assume !(0 == ~m); 7365#L20 assume 0 == ~n; 7345#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7346#ackermannENTRY ~m := #in~m;~n := #in~n; 7446#L17 assume !(0 == ~m); 7444#L20 assume !(0 == ~n); 7327#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7442#ackermannENTRY ~m := #in~m;~n := #in~n; 7326#L17 assume !(0 == ~m); 7328#L20 assume !(0 == ~n); 7312#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7373#ackermannENTRY ~m := #in~m;~n := #in~n; 7374#L17 assume !(0 == ~m); 7426#L20 assume 0 == ~n; 7362#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7396#ackermannENTRY ~m := #in~m;~n := #in~n; 7393#L17 assume !(0 == ~m); 7394#L20 assume !(0 == ~n); 7357#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7415#ackermannENTRY ~m := #in~m;~n := #in~n; 7395#L17 assume !(0 == ~m); 7356#L20 assume 0 == ~n; 7358#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7396#ackermannENTRY ~m := #in~m;~n := #in~n; 7393#L17 assume !(0 == ~m); 7394#L20 assume !(0 == ~n); 7357#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7415#ackermannENTRY ~m := #in~m;~n := #in~n; 7395#L17 assume !(0 == ~m); 7356#L20 assume 0 == ~n; 7358#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7422#ackermannENTRY ~m := #in~m;~n := #in~n; 7448#L17 assume 0 == ~m;#res := 1 + ~n; 7447#ackermannFINAL assume true; 7445#ackermannEXIT >#43#return; 7443#L21-1 #res := #t~ret7;havoc #t~ret7; 7441#ackermannFINAL assume true; 7433#ackermannEXIT >#45#return; 7430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7431#ackermannENTRY ~m := #in~m;~n := #in~n; 7450#L17 assume 0 == ~m;#res := 1 + ~n; 7449#ackermannFINAL assume true; 7429#ackermannEXIT >#47#return; 7424#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7423#ackermannFINAL assume true; 7419#ackermannEXIT >#43#return; 7418#L21-1 #res := #t~ret7;havoc #t~ret7; 7417#ackermannFINAL assume true; 7413#ackermannEXIT >#45#return; 7411#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7412#ackermannENTRY ~m := #in~m;~n := #in~n; 7487#L17 assume !(0 == ~m); 7486#L20 assume !(0 == ~n); 7321#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7355#ackermannENTRY ~m := #in~m;~n := #in~n; 7403#L17 assume !(0 == ~m); 7402#L20 assume 0 == ~n; 7343#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7344#ackermannENTRY ~m := #in~m;~n := #in~n; 7457#L17 assume 0 == ~m;#res := 1 + ~n; 7400#ackermannFINAL assume true; 7456#ackermannEXIT >#43#return; 7351#L21-1 #res := #t~ret7;havoc #t~ret7; 7315#ackermannFINAL assume true; 7322#ackermannEXIT >#45#return; 7309#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7306#ackermannENTRY ~m := #in~m;~n := #in~n; 7310#L17 assume 0 == ~m;#res := 1 + ~n; 7325#ackermannFINAL assume true; 7466#ackermannEXIT >#47#return; 7468#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7480#ackermannFINAL assume true; 7479#ackermannEXIT >#47#return; 7477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7476#ackermannFINAL assume true; 7472#ackermannEXIT >#43#return; 7470#L21-1 #res := #t~ret7;havoc #t~ret7; 7469#ackermannFINAL assume true; 7463#ackermannEXIT >#45#return; 7338#L23-1 [2021-10-13 00:59:16,343 INFO L793 eck$LassoCheckResult]: Loop: 7338#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7389#ackermannENTRY ~m := #in~m;~n := #in~n; 7379#L17 assume !(0 == ~m); 7377#L20 assume 0 == ~n; 7332#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7401#ackermannENTRY ~m := #in~m;~n := #in~n; 7399#L17 assume !(0 == ~m); 7329#L20 assume !(0 == ~n); 7334#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7416#ackermannENTRY ~m := #in~m;~n := #in~n; 7438#L17 assume !(0 == ~m); 7439#L20 assume !(0 == ~n); 7381#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7385#ackermannENTRY ~m := #in~m;~n := #in~n; 7380#L17 assume !(0 == ~m); 7384#L20 assume 0 == ~n; 7330#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7401#ackermannENTRY ~m := #in~m;~n := #in~n; 7399#L17 assume !(0 == ~m); 7329#L20 assume !(0 == ~n); 7334#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7416#ackermannENTRY ~m := #in~m;~n := #in~n; 7438#L17 assume !(0 == ~m); 7437#L20 assume 0 == ~n; 7331#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7401#ackermannENTRY ~m := #in~m;~n := #in~n; 7399#L17 assume !(0 == ~m); 7329#L20 assume !(0 == ~n); 7334#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7416#ackermannENTRY ~m := #in~m;~n := #in~n; 7438#L17 assume !(0 == ~m); 7437#L20 assume 0 == ~n; 7331#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7401#ackermannENTRY ~m := #in~m;~n := #in~n; 7399#L17 assume 0 == ~m;#res := 1 + ~n; 7400#ackermannFINAL assume true; 7456#ackermannEXIT >#43#return; 7455#L21-1 #res := #t~ret7;havoc #t~ret7; 7454#ackermannFINAL assume true; 7453#ackermannEXIT >#45#return; 7435#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7436#ackermannENTRY ~m := #in~m;~n := #in~n; 7452#L17 assume 0 == ~m;#res := 1 + ~n; 7451#ackermannFINAL assume true; 7434#ackermannEXIT >#47#return; 7432#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7425#ackermannFINAL assume true; 7420#ackermannEXIT >#43#return; 7418#L21-1 #res := #t~ret7;havoc #t~ret7; 7417#ackermannFINAL assume true; 7413#ackermannEXIT >#45#return; 7411#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7412#ackermannENTRY ~m := #in~m;~n := #in~n; 7487#L17 assume !(0 == ~m); 7486#L20 assume !(0 == ~n); 7321#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7355#ackermannENTRY ~m := #in~m;~n := #in~n; 7403#L17 assume !(0 == ~m); 7402#L20 assume 0 == ~n; 7343#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7344#ackermannENTRY ~m := #in~m;~n := #in~n; 7457#L17 assume 0 == ~m;#res := 1 + ~n; 7400#ackermannFINAL assume true; 7456#ackermannEXIT >#43#return; 7351#L21-1 #res := #t~ret7;havoc #t~ret7; 7315#ackermannFINAL assume true; 7322#ackermannEXIT >#45#return; 7309#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7306#ackermannENTRY ~m := #in~m;~n := #in~n; 7310#L17 assume 0 == ~m;#res := 1 + ~n; 7325#ackermannFINAL assume true; 7466#ackermannEXIT >#47#return; 7468#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7480#ackermannFINAL assume true; 7479#ackermannEXIT >#47#return; 7477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7476#ackermannFINAL assume true; 7472#ackermannEXIT >#43#return; 7470#L21-1 #res := #t~ret7;havoc #t~ret7; 7469#ackermannFINAL assume true; 7463#ackermannEXIT >#45#return; 7338#L23-1 [2021-10-13 00:59:16,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:16,343 INFO L82 PathProgramCache]: Analyzing trace with hash 2029382637, now seen corresponding path program 5 times [2021-10-13 00:59:16,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:16,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818341767] [2021-10-13 00:59:16,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:16,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-13 00:59:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:16,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:16,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:16,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:16,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:16,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:16,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:16,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:16,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:16,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:16,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 32 proven. 87 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-10-13 00:59:16,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:16,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818341767] [2021-10-13 00:59:16,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818341767] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:16,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369237715] [2021-10-13 00:59:16,513 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-13 00:59:16,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:59:16,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:16,518 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:59:16,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (159)] Waiting until timeout for monitored process [2021-10-13 00:59:17,053 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-10-13 00:59:17,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:59:17,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:59:17,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 36 proven. 83 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-10-13 00:59:17,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369237715] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:17,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:59:17,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-10-13 00:59:17,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220849471] [2021-10-13 00:59:17,277 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:59:17,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:17,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1345023226, now seen corresponding path program 3 times [2021-10-13 00:59:17,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:17,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801744614] [2021-10-13 00:59:17,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:17,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-10-13 00:59:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:17,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:17,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:17,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:17,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:17,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:17,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:17,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 36 proven. 83 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-10-13 00:59:17,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:17,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801744614] [2021-10-13 00:59:17,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801744614] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:17,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331641415] [2021-10-13 00:59:17,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 00:59:17,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:59:17,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:17,407 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:59:17,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (160)] Waiting until timeout for monitored process [2021-10-13 00:59:17,875 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-10-13 00:59:17,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:59:17,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-13 00:59:17,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 112 proven. 69 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-10-13 00:59:18,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331641415] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:18,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:59:18,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13] total 17 [2021-10-13 00:59:18,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129329470] [2021-10-13 00:59:18,166 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:59:18,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:18,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-13 00:59:18,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-10-13 00:59:18,166 INFO L87 Difference]: Start difference. First operand 184 states and 240 transitions. cyclomatic complexity: 61 Second operand has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 12 states have internal predecessors, (37), 9 states have call successors, (12), 3 states have call predecessors, (12), 8 states have return successors, (16), 10 states have call predecessors, (16), 8 states have call successors, (16) [2021-10-13 00:59:18,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:18,506 INFO L93 Difference]: Finished difference Result 216 states and 293 transitions. [2021-10-13 00:59:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-13 00:59:18,507 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 216 states and 293 transitions. [2021-10-13 00:59:18,511 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 41 [2021-10-13 00:59:18,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 216 states to 200 states and 266 transitions. [2021-10-13 00:59:18,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 133 [2021-10-13 00:59:18,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 133 [2021-10-13 00:59:18,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 200 states and 266 transitions. [2021-10-13 00:59:18,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:59:18,516 INFO L681 BuchiCegarLoop]: Abstraction has 200 states and 266 transitions. [2021-10-13 00:59:18,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states and 266 transitions. [2021-10-13 00:59:18,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 175. [2021-10-13 00:59:18,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 117 states have (on average 1.0854700854700854) internal successors, (127), 119 states have internal predecessors, (127), 36 states have call successors, (41), 24 states have call predecessors, (41), 22 states have return successors, (57), 31 states have call predecessors, (57), 29 states have call successors, (57) [2021-10-13 00:59:18,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 225 transitions. [2021-10-13 00:59:18,525 INFO L704 BuchiCegarLoop]: Abstraction has 175 states and 225 transitions. [2021-10-13 00:59:18,525 INFO L587 BuchiCegarLoop]: Abstraction has 175 states and 225 transitions. [2021-10-13 00:59:18,525 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-13 00:59:18,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 225 transitions. [2021-10-13 00:59:18,527 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2021-10-13 00:59:18,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:59:18,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:59:18,529 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [14, 13, 9, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2021-10-13 00:59:18,529 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [14, 13, 9, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4] [2021-10-13 00:59:18,530 INFO L791 eck$LassoCheckResult]: Stem: 8746#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 8747#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 8764#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 8765#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 8782#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 8783#ackermannENTRY ~m := #in~m;~n := #in~n; 8807#L17 assume !(0 == ~m); 8805#L20 assume !(0 == ~n); 8761#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8801#ackermannENTRY ~m := #in~m;~n := #in~n; 8802#L17 assume !(0 == ~m); 8795#L20 assume 0 == ~n; 8796#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8840#ackermannENTRY ~m := #in~m;~n := #in~n; 8838#L17 assume !(0 == ~m); 8839#L20 assume !(0 == ~n); 8781#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8844#ackermannENTRY ~m := #in~m;~n := #in~n; 8862#L17 assume !(0 == ~m); 8793#L20 assume 0 == ~n; 8794#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8840#ackermannENTRY ~m := #in~m;~n := #in~n; 8838#L17 assume !(0 == ~m); 8839#L20 assume !(0 == ~n); 8781#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8844#ackermannENTRY ~m := #in~m;~n := #in~n; 8862#L17 assume !(0 == ~m); 8793#L20 assume 0 == ~n; 8794#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8851#ackermannENTRY ~m := #in~m;~n := #in~n; 8879#L17 assume 0 == ~m;#res := 1 + ~n; 8877#ackermannFINAL assume true; 8875#ackermannEXIT >#43#return; 8874#L21-1 #res := #t~ret7;havoc #t~ret7; 8873#ackermannFINAL assume true; 8871#ackermannEXIT >#45#return; 8858#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8859#ackermannENTRY ~m := #in~m;~n := #in~n; 8868#L17 assume 0 == ~m;#res := 1 + ~n; 8867#ackermannFINAL assume true; 8857#ackermannEXIT >#47#return; 8855#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8853#ackermannFINAL assume true; 8850#ackermannEXIT >#43#return; 8847#L21-1 #res := #t~ret7;havoc #t~ret7; 8846#ackermannFINAL assume true; 8841#ackermannEXIT >#45#return; 8823#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8822#ackermannENTRY ~m := #in~m;~n := #in~n; 8824#L17 assume !(0 == ~m); 8914#L20 assume !(0 == ~n); 8772#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8819#ackermannENTRY ~m := #in~m;~n := #in~n; 8820#L17 assume !(0 == ~m); 8821#L20 assume !(0 == ~n); 8771#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8819#ackermannENTRY ~m := #in~m;~n := #in~n; 8818#L17 assume !(0 == ~m); 8817#L20 assume 0 == ~n; 8784#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8785#ackermannENTRY ~m := #in~m;~n := #in~n; 8885#L17 assume 0 == ~m;#res := 1 + ~n; 8815#ackermannFINAL assume true; 8883#ackermannEXIT >#43#return; 8884#L21-1 #res := #t~ret7;havoc #t~ret7; 8919#ackermannFINAL assume true; 8918#ackermannEXIT >#45#return; 8749#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8748#ackermannENTRY ~m := #in~m;~n := #in~n; 8752#L17 assume 0 == ~m;#res := 1 + ~n; 8773#ackermannFINAL assume true; 8898#ackermannEXIT >#47#return; 8899#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8920#ackermannFINAL assume true; 8901#ackermannEXIT >#45#return; 8750#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8748#ackermannENTRY ~m := #in~m;~n := #in~n; 8752#L17 assume 0 == ~m;#res := 1 + ~n; 8773#ackermannFINAL assume true; 8898#ackermannEXIT >#47#return; 8900#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8913#ackermannFINAL assume true; 8912#ackermannEXIT >#47#return; 8910#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8909#ackermannFINAL assume true; 8908#ackermannEXIT >#43#return; 8789#L21-1 #res := #t~ret7;havoc #t~ret7; 8790#ackermannFINAL assume true; 8766#ackermannEXIT >#45#return; 8768#L23-1 [2021-10-13 00:59:18,530 INFO L793 eck$LassoCheckResult]: Loop: 8768#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8833#ackermannENTRY ~m := #in~m;~n := #in~n; 8835#L17 assume !(0 == ~m); 8836#L20 assume !(0 == ~n); 8759#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8828#ackermannENTRY ~m := #in~m;~n := #in~n; 8830#L17 assume !(0 == ~m); 8854#L20 assume 0 == ~n; 8778#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8816#ackermannENTRY ~m := #in~m;~n := #in~n; 8814#L17 assume !(0 == ~m); 8775#L20 assume !(0 == ~n); 8779#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8845#ackermannENTRY ~m := #in~m;~n := #in~n; 8860#L17 assume !(0 == ~m); 8856#L20 assume 0 == ~n; 8777#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8816#ackermannENTRY ~m := #in~m;~n := #in~n; 8814#L17 assume !(0 == ~m); 8775#L20 assume !(0 == ~n); 8779#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8845#ackermannENTRY ~m := #in~m;~n := #in~n; 8860#L17 assume !(0 == ~m); 8856#L20 assume 0 == ~n; 8777#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8816#ackermannENTRY ~m := #in~m;~n := #in~n; 8814#L17 assume 0 == ~m;#res := 1 + ~n; 8815#ackermannFINAL assume true; 8883#ackermannEXIT >#43#return; 8882#L21-1 #res := #t~ret7;havoc #t~ret7; 8881#ackermannFINAL assume true; 8880#ackermannEXIT >#45#return; 8865#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8866#ackermannENTRY ~m := #in~m;~n := #in~n; 8878#L17 assume 0 == ~m;#res := 1 + ~n; 8876#ackermannFINAL assume true; 8864#ackermannEXIT >#47#return; 8863#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8852#ackermannFINAL assume true; 8848#ackermannEXIT >#43#return; 8847#L21-1 #res := #t~ret7;havoc #t~ret7; 8846#ackermannFINAL assume true; 8841#ackermannEXIT >#45#return; 8823#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8822#ackermannENTRY ~m := #in~m;~n := #in~n; 8824#L17 assume !(0 == ~m); 8914#L20 assume !(0 == ~n); 8772#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8819#ackermannENTRY ~m := #in~m;~n := #in~n; 8820#L17 assume !(0 == ~m); 8821#L20 assume !(0 == ~n); 8771#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8819#ackermannENTRY ~m := #in~m;~n := #in~n; 8818#L17 assume !(0 == ~m); 8817#L20 assume 0 == ~n; 8784#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8785#ackermannENTRY ~m := #in~m;~n := #in~n; 8885#L17 assume 0 == ~m;#res := 1 + ~n; 8815#ackermannFINAL assume true; 8883#ackermannEXIT >#43#return; 8884#L21-1 #res := #t~ret7;havoc #t~ret7; 8919#ackermannFINAL assume true; 8918#ackermannEXIT >#45#return; 8749#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8748#ackermannENTRY ~m := #in~m;~n := #in~n; 8752#L17 assume 0 == ~m;#res := 1 + ~n; 8773#ackermannFINAL assume true; 8898#ackermannEXIT >#47#return; 8899#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8920#ackermannFINAL assume true; 8901#ackermannEXIT >#45#return; 8750#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8748#ackermannENTRY ~m := #in~m;~n := #in~n; 8752#L17 assume 0 == ~m;#res := 1 + ~n; 8773#ackermannFINAL assume true; 8898#ackermannEXIT >#47#return; 8900#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8913#ackermannFINAL assume true; 8912#ackermannEXIT >#47#return; 8910#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8909#ackermannFINAL assume true; 8908#ackermannEXIT >#43#return; 8789#L21-1 #res := #t~ret7;havoc #t~ret7; 8790#ackermannFINAL assume true; 8766#ackermannEXIT >#45#return; 8768#L23-1 [2021-10-13 00:59:18,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:18,531 INFO L82 PathProgramCache]: Analyzing trace with hash 2095171192, now seen corresponding path program 6 times [2021-10-13 00:59:18,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:18,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461279213] [2021-10-13 00:59:18,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:18,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-10-13 00:59:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:18,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:18,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:18,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:18,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:18,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:18,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:18,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:18,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:18,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:18,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:18,792 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 139 proven. 101 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-10-13 00:59:18,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:18,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461279213] [2021-10-13 00:59:18,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461279213] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:18,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427752638] [2021-10-13 00:59:18,793 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-13 00:59:18,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:59:18,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:18,799 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:59:18,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Waiting until timeout for monitored process [2021-10-13 00:59:19,293 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-10-13 00:59:19,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:59:19,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-13 00:59:19,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:19,549 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 125 proven. 109 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-10-13 00:59:19,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427752638] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:19,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:59:19,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 18 [2021-10-13 00:59:19,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041662747] [2021-10-13 00:59:19,550 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:59:19,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:19,550 INFO L82 PathProgramCache]: Analyzing trace with hash -869926651, now seen corresponding path program 4 times [2021-10-13 00:59:19,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:19,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702505024] [2021-10-13 00:59:19,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:19,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 00:59:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:19,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:19,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:19,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:19,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:19,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:19,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:19,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:19,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:19,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:19,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:19,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 143 proven. 101 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-10-13 00:59:19,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:19,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702505024] [2021-10-13 00:59:19,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702505024] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:19,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705615649] [2021-10-13 00:59:19,797 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-13 00:59:19,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:59:19,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:19,802 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:59:19,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (162)] Waiting until timeout for monitored process [2021-10-13 00:59:20,311 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-13 00:59:20,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:59:20,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-13 00:59:20,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:20,537 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 129 proven. 109 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-10-13 00:59:20,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705615649] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:20,537 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:59:20,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 18 [2021-10-13 00:59:20,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815097890] [2021-10-13 00:59:20,537 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:59:20,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:20,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-13 00:59:20,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-10-13 00:59:20,539 INFO L87 Difference]: Start difference. First operand 175 states and 225 transitions. cyclomatic complexity: 55 Second operand has 18 states, 16 states have (on average 2.25) internal successors, (36), 13 states have internal predecessors, (36), 9 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) [2021-10-13 00:59:21,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:21,111 INFO L93 Difference]: Finished difference Result 221 states and 305 transitions. [2021-10-13 00:59:21,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-13 00:59:21,112 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 221 states and 305 transitions. [2021-10-13 00:59:21,116 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 40 [2021-10-13 00:59:21,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 221 states to 205 states and 279 transitions. [2021-10-13 00:59:21,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 146 [2021-10-13 00:59:21,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 146 [2021-10-13 00:59:21,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 205 states and 279 transitions. [2021-10-13 00:59:21,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:59:21,120 INFO L681 BuchiCegarLoop]: Abstraction has 205 states and 279 transitions. [2021-10-13 00:59:21,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states and 279 transitions. [2021-10-13 00:59:21,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 187. [2021-10-13 00:59:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 123 states have (on average 1.08130081300813) internal successors, (133), 125 states have internal predecessors, (133), 39 states have call successors, (44), 24 states have call predecessors, (44), 25 states have return successors, (69), 37 states have call predecessors, (69), 32 states have call successors, (69) [2021-10-13 00:59:21,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 246 transitions. [2021-10-13 00:59:21,134 INFO L704 BuchiCegarLoop]: Abstraction has 187 states and 246 transitions. [2021-10-13 00:59:21,134 INFO L587 BuchiCegarLoop]: Abstraction has 187 states and 246 transitions. [2021-10-13 00:59:21,134 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-13 00:59:21,134 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states and 246 transitions. [2021-10-13 00:59:21,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 36 [2021-10-13 00:59:21,136 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:59:21,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:59:21,143 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [16, 15, 10, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2021-10-13 00:59:21,143 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [59, 58, 35, 24, 24, 24, 24, 24, 23, 23, 11, 11, 11, 11] [2021-10-13 00:59:21,143 INFO L791 eck$LassoCheckResult]: Stem: 10364#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 10365#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 10380#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 10381#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 10399#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 10400#ackermannENTRY ~m := #in~m;~n := #in~n; 10425#L17 assume !(0 == ~m); 10423#L20 assume !(0 == ~n); 10405#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10419#ackermannENTRY ~m := #in~m;~n := #in~n; 10420#L17 assume !(0 == ~m); 10413#L20 assume 0 == ~n; 10414#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10465#ackermannENTRY ~m := #in~m;~n := #in~n; 10464#L17 assume !(0 == ~m); 10461#L20 assume !(0 == ~n); 10412#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10449#ackermannENTRY ~m := #in~m;~n := #in~n; 10466#L17 assume !(0 == ~m); 10411#L20 assume 0 == ~n; 10367#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10465#ackermannENTRY ~m := #in~m;~n := #in~n; 10464#L17 assume !(0 == ~m); 10461#L20 assume !(0 == ~n); 10412#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10449#ackermannENTRY ~m := #in~m;~n := #in~n; 10466#L17 assume !(0 == ~m); 10411#L20 assume 0 == ~n; 10367#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10366#ackermannENTRY ~m := #in~m;~n := #in~n; 10368#L17 assume 0 == ~m;#res := 1 + ~n; 10504#ackermannFINAL assume true; 10503#ackermannEXIT >#43#return; 10501#L21-1 #res := #t~ret7;havoc #t~ret7; 10500#ackermannFINAL assume true; 10486#ackermannEXIT >#45#return; 10483#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10484#ackermannENTRY ~m := #in~m;~n := #in~n; 10499#L17 assume 0 == ~m;#res := 1 + ~n; 10498#ackermannFINAL assume true; 10482#ackermannEXIT >#47#return; 10481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10477#ackermannFINAL assume true; 10474#ackermannEXIT >#43#return; 10473#L21-1 #res := #t~ret7;havoc #t~ret7; 10472#ackermannFINAL assume true; 10468#ackermannEXIT >#45#return; 10469#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10514#ackermannENTRY ~m := #in~m;~n := #in~n; 10534#L17 assume !(0 == ~m); 10532#L20 assume !(0 == ~n); 10373#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10386#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10518#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10516#ackermannFINAL assume true; 10512#ackermannEXIT >#47#return; 10510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10509#ackermannFINAL assume true; 10507#ackermannEXIT >#43#return; 10404#L21-1 #res := #t~ret7;havoc #t~ret7; 10408#ackermannFINAL assume true; 10547#ackermannEXIT >#45#return; 10427#L23-1 [2021-10-13 00:59:21,144 INFO L793 eck$LassoCheckResult]: Loop: 10427#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10453#ackermannENTRY ~m := #in~m;~n := #in~n; 10454#L17 assume !(0 == ~m); 10540#L20 assume !(0 == ~n); 10374#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10457#L17 assume !(0 == ~m); 10480#L20 assume 0 == ~n; 10396#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume !(0 == ~m); 10393#L20 assume !(0 == ~n); 10397#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10471#ackermannENTRY ~m := #in~m;~n := #in~n; 10502#L17 assume !(0 == ~m); 10479#L20 assume 0 == ~n; 10395#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume !(0 == ~m); 10393#L20 assume !(0 == ~n); 10397#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10471#ackermannENTRY ~m := #in~m;~n := #in~n; 10502#L17 assume !(0 == ~m); 10479#L20 assume 0 == ~n; 10395#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10494#L21-1 #res := #t~ret7;havoc #t~ret7; 10493#ackermannFINAL assume true; 10491#ackermannEXIT >#45#return; 10488#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10489#ackermannENTRY ~m := #in~m;~n := #in~n; 10492#L17 assume 0 == ~m;#res := 1 + ~n; 10490#ackermannFINAL assume true; 10487#ackermannEXIT >#47#return; 10485#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10478#ackermannFINAL assume true; 10475#ackermannEXIT >#43#return; 10473#L21-1 #res := #t~ret7;havoc #t~ret7; 10472#ackermannFINAL assume true; 10468#ackermannEXIT >#45#return; 10469#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10514#ackermannENTRY ~m := #in~m;~n := #in~n; 10534#L17 assume !(0 == ~m); 10532#L20 assume !(0 == ~n); 10373#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10386#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10518#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10516#ackermannFINAL assume true; 10512#ackermannEXIT >#47#return; 10510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10509#ackermannFINAL assume true; 10507#ackermannEXIT >#43#return; 10404#L21-1 #res := #t~ret7;havoc #t~ret7; 10408#ackermannFINAL assume true; 10547#ackermannEXIT >#45#return; 10428#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10453#ackermannENTRY ~m := #in~m;~n := #in~n; 10454#L17 assume !(0 == ~m); 10540#L20 assume !(0 == ~n); 10374#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10457#L17 assume !(0 == ~m); 10480#L20 assume 0 == ~n; 10396#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume !(0 == ~m); 10393#L20 assume !(0 == ~n); 10397#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10471#ackermannENTRY ~m := #in~m;~n := #in~n; 10502#L17 assume !(0 == ~m); 10479#L20 assume 0 == ~n; 10395#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume !(0 == ~m); 10393#L20 assume !(0 == ~n); 10397#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10471#ackermannENTRY ~m := #in~m;~n := #in~n; 10502#L17 assume !(0 == ~m); 10479#L20 assume 0 == ~n; 10395#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10494#L21-1 #res := #t~ret7;havoc #t~ret7; 10493#ackermannFINAL assume true; 10491#ackermannEXIT >#45#return; 10488#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10489#ackermannENTRY ~m := #in~m;~n := #in~n; 10492#L17 assume 0 == ~m;#res := 1 + ~n; 10490#ackermannFINAL assume true; 10487#ackermannEXIT >#47#return; 10485#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10478#ackermannFINAL assume true; 10475#ackermannEXIT >#43#return; 10473#L21-1 #res := #t~ret7;havoc #t~ret7; 10472#ackermannFINAL assume true; 10468#ackermannEXIT >#45#return; 10469#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10514#ackermannENTRY ~m := #in~m;~n := #in~n; 10534#L17 assume !(0 == ~m); 10532#L20 assume !(0 == ~n); 10373#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10386#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10518#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10516#ackermannFINAL assume true; 10512#ackermannEXIT >#47#return; 10510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10509#ackermannFINAL assume true; 10507#ackermannEXIT >#43#return; 10404#L21-1 #res := #t~ret7;havoc #t~ret7; 10408#ackermannFINAL assume true; 10547#ackermannEXIT >#45#return; 10428#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10453#ackermannENTRY ~m := #in~m;~n := #in~n; 10454#L17 assume !(0 == ~m); 10540#L20 assume !(0 == ~n); 10374#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10457#L17 assume !(0 == ~m); 10480#L20 assume 0 == ~n; 10396#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10387#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10528#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10538#ackermannFINAL assume true; 10523#ackermannEXIT >#47#return; 10524#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10548#ackermannFINAL assume true; 10470#ackermannEXIT >#45#return; 10446#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10443#ackermannENTRY ~m := #in~m;~n := #in~n; 10448#L17 assume !(0 == ~m); 10541#L20 assume !(0 == ~n); 10375#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10387#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10528#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10538#ackermannFINAL assume true; 10523#ackermannEXIT >#47#return; 10525#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10543#ackermannFINAL assume true; 10529#ackermannEXIT >#45#return; 10447#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10443#ackermannENTRY ~m := #in~m;~n := #in~n; 10448#L17 assume !(0 == ~m); 10541#L20 assume !(0 == ~n); 10375#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10387#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10528#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10538#ackermannFINAL assume true; 10523#ackermannEXIT >#47#return; 10522#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10537#ackermannFINAL assume true; 10519#ackermannEXIT >#47#return; 10520#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10546#ackermannFINAL assume true; 10545#ackermannEXIT >#45#return; 10427#L23-1 [2021-10-13 00:59:21,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:21,148 INFO L82 PathProgramCache]: Analyzing trace with hash 478890302, now seen corresponding path program 7 times [2021-10-13 00:59:21,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:21,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859686202] [2021-10-13 00:59:21,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:21,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:59:21,190 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:59:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:59:21,222 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:59:21,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:21,222 INFO L82 PathProgramCache]: Analyzing trace with hash 888511461, now seen corresponding path program 5 times [2021-10-13 00:59:21,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:21,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179797573] [2021-10-13 00:59:21,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:21,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 00:59:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:21,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-10-13 00:59:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-10-13 00:59:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-10-13 00:59:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-10-13 00:59:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 8238 backedges. 1382 proven. 1901 refuted. 0 times theorem prover too weak. 4955 trivial. 0 not checked. [2021-10-13 00:59:22,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:22,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179797573] [2021-10-13 00:59:22,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179797573] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:22,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162179952] [2021-10-13 00:59:22,494 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-13 00:59:22,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:59:22,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:22,499 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:59:22,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (163)] Waiting until timeout for monitored process [2021-10-13 00:59:23,213 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-10-13 00:59:23,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:59:23,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-13 00:59:23,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:24,252 INFO L134 CoverageAnalysis]: Checked inductivity of 8238 backedges. 787 proven. 1614 refuted. 0 times theorem prover too weak. 5837 trivial. 0 not checked. [2021-10-13 00:59:24,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162179952] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:24,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:59:24,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 21] total 35 [2021-10-13 00:59:24,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009755751] [2021-10-13 00:59:24,254 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:59:24,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:24,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-10-13 00:59:24,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1076, Unknown=0, NotChecked=0, Total=1190 [2021-10-13 00:59:24,256 INFO L87 Difference]: Start difference. First operand 187 states and 246 transitions. cyclomatic complexity: 64 Second operand has 35 states, 25 states have (on average 2.16) internal successors, (54), 20 states have internal predecessors, (54), 18 states have call successors, (22), 1 states have call predecessors, (22), 18 states have return successors, (42), 28 states have call predecessors, (42), 18 states have call successors, (42) [2021-10-13 00:59:26,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:26,807 INFO L93 Difference]: Finished difference Result 343 states and 494 transitions. [2021-10-13 00:59:26,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-10-13 00:59:26,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 343 states and 494 transitions. [2021-10-13 00:59:26,814 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 57 [2021-10-13 00:59:26,819 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 343 states to 308 states and 429 transitions. [2021-10-13 00:59:26,819 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 229 [2021-10-13 00:59:26,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 232 [2021-10-13 00:59:26,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 308 states and 429 transitions. [2021-10-13 00:59:26,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:59:26,821 INFO L681 BuchiCegarLoop]: Abstraction has 308 states and 429 transitions. [2021-10-13 00:59:26,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states and 429 transitions. [2021-10-13 00:59:26,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 260. [2021-10-13 00:59:26,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 167 states have (on average 1.0658682634730539) internal successors, (178), 170 states have internal predecessors, (178), 56 states have call successors, (61), 30 states have call predecessors, (61), 37 states have return successors, (104), 59 states have call predecessors, (104), 48 states have call successors, (104) [2021-10-13 00:59:26,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 343 transitions. [2021-10-13 00:59:26,832 INFO L704 BuchiCegarLoop]: Abstraction has 260 states and 343 transitions. [2021-10-13 00:59:26,832 INFO L587 BuchiCegarLoop]: Abstraction has 260 states and 343 transitions. [2021-10-13 00:59:26,832 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-13 00:59:26,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 343 transitions. [2021-10-13 00:59:26,835 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 41 [2021-10-13 00:59:26,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:59:26,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:59:26,849 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [65, 64, 38, 27, 27, 27, 27, 26, 26, 26, 11, 11, 11, 11, 1, 1, 1, 1, 1] [2021-10-13 00:59:26,849 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [322, 321, 184, 138, 138, 138, 138, 138, 137, 137, 46, 46, 46, 46] [2021-10-13 00:59:26,850 INFO L791 eck$LassoCheckResult]: Stem: 14292#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 14293#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 14311#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 14312#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 14341#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 14342#ackermannENTRY ~m := #in~m;~n := #in~n; 14378#L17 assume !(0 == ~m); 14376#L20 assume !(0 == ~n); 14305#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14372#ackermannENTRY ~m := #in~m;~n := #in~n; 14373#L17 assume !(0 == ~m); 14367#L20 assume 0 == ~n; 14368#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14393#ackermannENTRY ~m := #in~m;~n := #in~n; 14392#L17 assume !(0 == ~m); 14386#L20 assume !(0 == ~n); 14365#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14401#ackermannENTRY ~m := #in~m;~n := #in~n; 14387#L17 assume !(0 == ~m); 14363#L20 assume 0 == ~n; 14366#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14393#ackermannENTRY ~m := #in~m;~n := #in~n; 14392#L17 assume !(0 == ~m); 14386#L20 assume !(0 == ~n); 14365#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14401#ackermannENTRY ~m := #in~m;~n := #in~n; 14387#L17 assume !(0 == ~m); 14363#L20 assume 0 == ~n; 14366#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14393#ackermannENTRY ~m := #in~m;~n := #in~n; 14392#L17 assume !(0 == ~m); 14386#L20 assume !(0 == ~n); 14365#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14401#ackermannENTRY ~m := #in~m;~n := #in~n; 14387#L17 assume !(0 == ~m); 14363#L20 assume 0 == ~n; 14366#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14405#ackermannENTRY ~m := #in~m;~n := #in~n; 14463#L17 assume 0 == ~m;#res := 1 + ~n; 14462#ackermannFINAL assume true; 14461#ackermannEXIT >#43#return; 14460#L21-1 #res := #t~ret7;havoc #t~ret7; 14459#ackermannFINAL assume true; 14457#ackermannEXIT >#45#return; 14433#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14434#ackermannENTRY ~m := #in~m;~n := #in~n; 14438#L17 assume 0 == ~m;#res := 1 + ~n; 14437#ackermannFINAL assume true; 14432#ackermannEXIT >#47#return; 14428#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14426#ackermannFINAL assume true; 14424#ackermannEXIT >#43#return; 14421#L21-1 #res := #t~ret7;havoc #t~ret7; 14420#ackermannFINAL assume true; 14419#ackermannEXIT >#45#return; 14417#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14418#ackermannENTRY ~m := #in~m;~n := #in~n; 14485#L17 assume !(0 == ~m); 14484#L20 assume !(0 == ~n); 14448#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14322#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14475#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14466#ackermannFINAL assume true; 14416#ackermannEXIT >#47#return; 14410#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14406#ackermannFINAL assume true; 14404#ackermannEXIT >#43#return; 14403#L21-1 #res := #t~ret7;havoc #t~ret7; 14402#ackermannFINAL assume true; 14395#ackermannEXIT >#45#return; 14396#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14500#ackermannENTRY ~m := #in~m;~n := #in~n; 14518#L17 assume !(0 == ~m); 14517#L20 assume !(0 == ~n); 14357#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14360#L17 assume !(0 == ~m); 14359#L20 assume 0 == ~n; 14350#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14355#ackermannENTRY ~m := #in~m;~n := #in~n; 14354#L17 assume !(0 == ~m); 14353#L20 assume !(0 == ~n); 14349#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14351#ackermannENTRY ~m := #in~m;~n := #in~n; 14451#L17 assume !(0 == ~m); 14446#L20 assume 0 == ~n; 14442#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14423#L21-1 #res := #t~ret7;havoc #t~ret7; 14539#ackermannFINAL assume true; 14537#ackermannEXIT >#45#return; 14297#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14538#ackermannFINAL assume true; 14536#ackermannEXIT >#47#return; 14508#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14534#ackermannFINAL assume true; 14532#ackermannEXIT >#45#return; 14299#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14521#ackermannFINAL assume true; 14520#ackermannEXIT >#45#return; 14295#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14507#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14519#ackermannFINAL assume true; 14512#ackermannEXIT >#45#return; 14296#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14504#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14502#ackermannFINAL assume true; 14498#ackermannEXIT >#47#return; 14497#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14496#ackermannFINAL assume true; 14493#ackermannEXIT >#43#return; 14495#L21-1 #res := #t~ret7;havoc #t~ret7; 14546#ackermannFINAL assume true; 14313#ackermannEXIT >#45#return; 14316#L23-1 [2021-10-13 00:59:26,852 INFO L793 eck$LassoCheckResult]: Loop: 14316#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14474#ackermannENTRY ~m := #in~m;~n := #in~n; 14326#L17 assume !(0 == ~m); 14331#L20 assume !(0 == ~n); 14306#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14412#L17 assume !(0 == ~m); 14335#L20 assume !(0 == ~n); 14308#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14411#L17 assume !(0 == ~m); 14408#L20 assume 0 == ~n; 14400#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14407#ackermannENTRY ~m := #in~m;~n := #in~n; 14469#L17 assume !(0 == ~m); 14465#L20 assume !(0 == ~n); 14302#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14301#ackermannENTRY ~m := #in~m;~n := #in~n; 14303#L17 assume !(0 == ~m); 14467#L20 assume 0 == ~n; 14398#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14343#ackermannENTRY ~m := #in~m;~n := #in~n; 14470#L17 assume !(0 == ~m); 14465#L20 assume !(0 == ~n); 14302#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14301#ackermannENTRY ~m := #in~m;~n := #in~n; 14303#L17 assume !(0 == ~m); 14467#L20 assume 0 == ~n; 14398#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14343#ackermannENTRY ~m := #in~m;~n := #in~n; 14470#L17 assume !(0 == ~m); 14465#L20 assume !(0 == ~n); 14302#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14301#ackermannENTRY ~m := #in~m;~n := #in~n; 14303#L17 assume !(0 == ~m); 14467#L20 assume 0 == ~n; 14398#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14343#ackermannENTRY ~m := #in~m;~n := #in~n; 14470#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14421#L21-1 #res := #t~ret7;havoc #t~ret7; 14420#ackermannFINAL assume true; 14419#ackermannEXIT >#45#return; 14417#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14418#ackermannENTRY ~m := #in~m;~n := #in~n; 14485#L17 assume !(0 == ~m); 14484#L20 assume !(0 == ~n); 14448#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14322#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14475#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14466#ackermannFINAL assume true; 14416#ackermannEXIT >#47#return; 14410#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14406#ackermannFINAL assume true; 14404#ackermannEXIT >#43#return; 14403#L21-1 #res := #t~ret7;havoc #t~ret7; 14402#ackermannFINAL assume true; 14395#ackermannEXIT >#45#return; 14396#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14500#ackermannENTRY ~m := #in~m;~n := #in~n; 14518#L17 assume !(0 == ~m); 14517#L20 assume !(0 == ~n); 14357#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14360#L17 assume !(0 == ~m); 14359#L20 assume 0 == ~n; 14350#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14355#ackermannENTRY ~m := #in~m;~n := #in~n; 14354#L17 assume !(0 == ~m); 14353#L20 assume !(0 == ~n); 14349#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14351#ackermannENTRY ~m := #in~m;~n := #in~n; 14451#L17 assume !(0 == ~m); 14446#L20 assume 0 == ~n; 14442#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14423#L21-1 #res := #t~ret7;havoc #t~ret7; 14539#ackermannFINAL assume true; 14537#ackermannEXIT >#45#return; 14297#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14538#ackermannFINAL assume true; 14536#ackermannEXIT >#47#return; 14508#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14534#ackermannFINAL assume true; 14532#ackermannEXIT >#45#return; 14299#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14521#ackermannFINAL assume true; 14520#ackermannEXIT >#45#return; 14295#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14507#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14519#ackermannFINAL assume true; 14512#ackermannEXIT >#45#return; 14296#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14504#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14502#ackermannFINAL assume true; 14498#ackermannEXIT >#47#return; 14497#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14496#ackermannFINAL assume true; 14493#ackermannEXIT >#43#return; 14495#L21-1 #res := #t~ret7;havoc #t~ret7; 14546#ackermannFINAL assume true; 14313#ackermannEXIT >#45#return; 14317#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14474#ackermannENTRY ~m := #in~m;~n := #in~n; 14326#L17 assume !(0 == ~m); 14331#L20 assume !(0 == ~n); 14306#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14412#L17 assume !(0 == ~m); 14335#L20 assume !(0 == ~n); 14308#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14412#L17 assume !(0 == ~m); 14335#L20 assume !(0 == ~n); 14308#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14412#L17 assume !(0 == ~m); 14335#L20 assume !(0 == ~n); 14308#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14411#L17 assume !(0 == ~m); 14408#L20 assume 0 == ~n; 14400#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14407#ackermannENTRY ~m := #in~m;~n := #in~n; 14469#L17 assume !(0 == ~m); 14465#L20 assume !(0 == ~n); 14302#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14301#ackermannENTRY ~m := #in~m;~n := #in~n; 14303#L17 assume !(0 == ~m); 14467#L20 assume 0 == ~n; 14398#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14343#ackermannENTRY ~m := #in~m;~n := #in~n; 14470#L17 assume !(0 == ~m); 14465#L20 assume !(0 == ~n); 14302#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14301#ackermannENTRY ~m := #in~m;~n := #in~n; 14303#L17 assume !(0 == ~m); 14467#L20 assume 0 == ~n; 14398#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14343#ackermannENTRY ~m := #in~m;~n := #in~n; 14470#L17 assume !(0 == ~m); 14465#L20 assume !(0 == ~n); 14302#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14301#ackermannENTRY ~m := #in~m;~n := #in~n; 14303#L17 assume !(0 == ~m); 14467#L20 assume 0 == ~n; 14398#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14343#ackermannENTRY ~m := #in~m;~n := #in~n; 14470#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14421#L21-1 #res := #t~ret7;havoc #t~ret7; 14420#ackermannFINAL assume true; 14419#ackermannEXIT >#45#return; 14417#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14418#ackermannENTRY ~m := #in~m;~n := #in~n; 14485#L17 assume !(0 == ~m); 14484#L20 assume !(0 == ~n); 14448#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14322#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14475#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14466#ackermannFINAL assume true; 14416#ackermannEXIT >#47#return; 14410#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14406#ackermannFINAL assume true; 14404#ackermannEXIT >#43#return; 14403#L21-1 #res := #t~ret7;havoc #t~ret7; 14402#ackermannFINAL assume true; 14395#ackermannEXIT >#45#return; 14396#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14500#ackermannENTRY ~m := #in~m;~n := #in~n; 14518#L17 assume !(0 == ~m); 14517#L20 assume !(0 == ~n); 14357#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14360#L17 assume !(0 == ~m); 14359#L20 assume 0 == ~n; 14350#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14355#ackermannENTRY ~m := #in~m;~n := #in~n; 14354#L17 assume !(0 == ~m); 14353#L20 assume !(0 == ~n); 14349#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14351#ackermannENTRY ~m := #in~m;~n := #in~n; 14451#L17 assume !(0 == ~m); 14446#L20 assume 0 == ~n; 14442#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14423#L21-1 #res := #t~ret7;havoc #t~ret7; 14539#ackermannFINAL assume true; 14537#ackermannEXIT >#45#return; 14297#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14538#ackermannFINAL assume true; 14536#ackermannEXIT >#47#return; 14508#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14534#ackermannFINAL assume true; 14532#ackermannEXIT >#45#return; 14299#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14521#ackermannFINAL assume true; 14520#ackermannEXIT >#45#return; 14295#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14507#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14519#ackermannFINAL assume true; 14512#ackermannEXIT >#45#return; 14296#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14504#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14502#ackermannFINAL assume true; 14498#ackermannEXIT >#47#return; 14497#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14496#ackermannFINAL assume true; 14493#ackermannEXIT >#43#return; 14495#L21-1 #res := #t~ret7;havoc #t~ret7; 14546#ackermannFINAL assume true; 14313#ackermannEXIT >#45#return; 14317#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14474#ackermannENTRY ~m := #in~m;~n := #in~n; 14326#L17 assume !(0 == ~m); 14331#L20 assume !(0 == ~n); 14306#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14412#L17 assume !(0 == ~m); 14335#L20 assume !(0 == ~n); 14308#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14412#L17 assume !(0 == ~m); 14335#L20 assume !(0 == ~n); 14308#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14412#L17 assume !(0 == ~m); 14335#L20 assume !(0 == ~n); 14308#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14397#ackermannENTRY ~m := #in~m;~n := #in~n; 14411#L17 assume !(0 == ~m); 14408#L20 assume 0 == ~n; 14400#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14407#ackermannENTRY ~m := #in~m;~n := #in~n; 14469#L17 assume !(0 == ~m); 14465#L20 assume !(0 == ~n); 14302#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14301#ackermannENTRY ~m := #in~m;~n := #in~n; 14303#L17 assume !(0 == ~m); 14467#L20 assume 0 == ~n; 14398#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14343#ackermannENTRY ~m := #in~m;~n := #in~n; 14470#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14423#L21-1 #res := #t~ret7;havoc #t~ret7; 14539#ackermannFINAL assume true; 14537#ackermannEXIT >#45#return; 14297#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14538#ackermannFINAL assume true; 14536#ackermannEXIT >#47#return; 14508#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14534#ackermannFINAL assume true; 14532#ackermannEXIT >#45#return; 14299#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14521#ackermannFINAL assume true; 14520#ackermannEXIT >#45#return; 14295#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14507#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14519#ackermannFINAL assume true; 14512#ackermannEXIT >#45#return; 14298#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14509#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14541#ackermannFINAL assume true; 14524#ackermannEXIT >#47#return; 14525#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14551#ackermannFINAL assume true; 14550#ackermannEXIT >#45#return; 14337#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14380#ackermannENTRY ~m := #in~m;~n := #in~n; 14381#L17 assume !(0 == ~m); 14535#L20 assume !(0 == ~n); 14358#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14360#L17 assume !(0 == ~m); 14359#L20 assume 0 == ~n; 14350#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14355#ackermannENTRY ~m := #in~m;~n := #in~n; 14354#L17 assume !(0 == ~m); 14353#L20 assume !(0 == ~n); 14349#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14351#ackermannENTRY ~m := #in~m;~n := #in~n; 14451#L17 assume !(0 == ~m); 14446#L20 assume 0 == ~n; 14442#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14423#L21-1 #res := #t~ret7;havoc #t~ret7; 14539#ackermannFINAL assume true; 14537#ackermannEXIT >#45#return; 14297#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14538#ackermannFINAL assume true; 14536#ackermannEXIT >#47#return; 14508#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14534#ackermannFINAL assume true; 14532#ackermannEXIT >#45#return; 14299#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14521#ackermannFINAL assume true; 14520#ackermannEXIT >#45#return; 14295#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14507#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14519#ackermannFINAL assume true; 14512#ackermannEXIT >#45#return; 14298#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14509#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14541#ackermannFINAL assume true; 14524#ackermannEXIT >#47#return; 14528#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14549#ackermannFINAL assume true; 14548#ackermannEXIT >#45#return; 14336#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14380#ackermannENTRY ~m := #in~m;~n := #in~n; 14381#L17 assume !(0 == ~m); 14535#L20 assume !(0 == ~n); 14358#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14360#L17 assume !(0 == ~m); 14359#L20 assume 0 == ~n; 14350#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14355#ackermannENTRY ~m := #in~m;~n := #in~n; 14354#L17 assume !(0 == ~m); 14353#L20 assume !(0 == ~n); 14349#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14351#ackermannENTRY ~m := #in~m;~n := #in~n; 14451#L17 assume !(0 == ~m); 14446#L20 assume 0 == ~n; 14442#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14423#L21-1 #res := #t~ret7;havoc #t~ret7; 14539#ackermannFINAL assume true; 14537#ackermannEXIT >#45#return; 14297#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14538#ackermannFINAL assume true; 14536#ackermannEXIT >#47#return; 14508#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14534#ackermannFINAL assume true; 14532#ackermannEXIT >#45#return; 14299#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14521#ackermannFINAL assume true; 14520#ackermannEXIT >#45#return; 14295#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14507#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14519#ackermannFINAL assume true; 14512#ackermannEXIT >#45#return; 14298#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14509#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14541#ackermannFINAL assume true; 14524#ackermannEXIT >#47#return; 14526#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14542#ackermannFINAL assume true; 14533#ackermannEXIT >#45#return; 14338#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14380#ackermannENTRY ~m := #in~m;~n := #in~n; 14381#L17 assume !(0 == ~m); 14535#L20 assume !(0 == ~n); 14358#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14362#L17 assume !(0 == ~m); 14379#L20 assume !(0 == ~n); 14356#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14361#ackermannENTRY ~m := #in~m;~n := #in~n; 14360#L17 assume !(0 == ~m); 14359#L20 assume 0 == ~n; 14350#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14355#ackermannENTRY ~m := #in~m;~n := #in~n; 14354#L17 assume !(0 == ~m); 14353#L20 assume !(0 == ~n); 14349#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14351#ackermannENTRY ~m := #in~m;~n := #in~n; 14451#L17 assume !(0 == ~m); 14446#L20 assume 0 == ~n; 14442#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14440#L21-1 #res := #t~ret7;havoc #t~ret7; 14439#ackermannFINAL assume true; 14436#ackermannEXIT >#45#return; 14430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14431#ackermannENTRY ~m := #in~m;~n := #in~n; 14458#L17 assume 0 == ~m;#res := 1 + ~n; 14435#ackermannFINAL assume true; 14429#ackermannEXIT >#47#return; 14427#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14425#ackermannFINAL assume true; 14422#ackermannEXIT >#43#return; 14423#L21-1 #res := #t~ret7;havoc #t~ret7; 14539#ackermannFINAL assume true; 14537#ackermannEXIT >#45#return; 14297#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14321#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14479#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14538#ackermannFINAL assume true; 14536#ackermannEXIT >#47#return; 14508#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14534#ackermannFINAL assume true; 14532#ackermannEXIT >#45#return; 14299#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14521#ackermannFINAL assume true; 14520#ackermannEXIT >#45#return; 14295#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14507#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14519#ackermannFINAL assume true; 14512#ackermannEXIT >#45#return; 14298#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14294#ackermannENTRY ~m := #in~m;~n := #in~n; 14300#L17 assume !(0 == ~m); 14490#L20 assume !(0 == ~n); 14450#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14455#L17 assume !(0 == ~m); 14486#L20 assume !(0 == ~n); 14449#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 14454#ackermannENTRY ~m := #in~m;~n := #in~n; 14453#L17 assume !(0 == ~m); 14452#L20 assume 0 == ~n; 14443#L21 call #t~ret7 := ackermann(~m - 1, 1);< 14445#ackermannENTRY ~m := #in~m;~n := #in~n; 14456#L17 assume 0 == ~m;#res := 1 + ~n; 14447#ackermannFINAL assume true; 14441#ackermannEXIT >#43#return; 14444#L21-1 #res := #t~ret7;havoc #t~ret7; 14492#ackermannFINAL assume true; 14491#ackermannEXIT >#45#return; 14320#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14478#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14489#ackermannFINAL assume true; 14488#ackermannEXIT >#45#return; 14319#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14516#ackermannFINAL assume true; 14514#ackermannEXIT >#45#return; 14324#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14487#ackermannFINAL assume true; 14483#ackermannEXIT >#45#return; 14323#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 14482#ackermannENTRY ~m := #in~m;~n := #in~n; 14318#L17 assume 0 == ~m;#res := 1 + ~n; 14325#ackermannFINAL assume true; 14476#ackermannEXIT >#47#return; 14480#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14511#ackermannFINAL assume true; 14506#ackermannEXIT >#47#return; 14509#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14541#ackermannFINAL assume true; 14524#ackermannEXIT >#47#return; 14527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14540#ackermannFINAL assume true; 14529#ackermannEXIT >#47#return; 14530#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 14547#ackermannFINAL assume true; 14545#ackermannEXIT >#45#return; 14316#L23-1 [2021-10-13 00:59:26,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:26,853 INFO L82 PathProgramCache]: Analyzing trace with hash -20727646, now seen corresponding path program 8 times [2021-10-13 00:59:26,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:26,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81153188] [2021-10-13 00:59:26,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:26,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:27,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-10-13 00:59:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:27,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:27,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:27,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:27,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:27,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:27,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:27,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:27,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-10-13 00:59:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-10-13 00:59:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-10-13 00:59:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-10-13 00:59:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 10006 backedges. 970 proven. 2328 refuted. 0 times theorem prover too weak. 6708 trivial. 0 not checked. [2021-10-13 00:59:28,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:28,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81153188] [2021-10-13 00:59:28,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81153188] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:28,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586868744] [2021-10-13 00:59:28,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:59:28,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:59:28,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:28,670 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:59:28,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (164)] Waiting until timeout for monitored process [2021-10-13 00:59:29,597 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:59:29,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:59:29,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-13 00:59:29,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:30,564 INFO L134 CoverageAnalysis]: Checked inductivity of 10006 backedges. 363 proven. 1707 refuted. 0 times theorem prover too weak. 7936 trivial. 0 not checked. [2021-10-13 00:59:30,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586868744] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:30,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:59:30,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 10] total 34 [2021-10-13 00:59:30,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657731683] [2021-10-13 00:59:30,566 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:59:30,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:59:30,567 INFO L82 PathProgramCache]: Analyzing trace with hash 144396281, now seen corresponding path program 6 times [2021-10-13 00:59:30,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:59:30,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957251525] [2021-10-13 00:59:30,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:59:30,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:59:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:33,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 00:59:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:34,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:34,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-10-13 00:59:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-10-13 00:59:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-10-13 00:59:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-10-13 00:59:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:35,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-10-13 00:59:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:37,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:37,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-10-13 00:59:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-10-13 00:59:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-10-13 00:59:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-10-13 00:59:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-10-13 00:59:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-10-13 00:59:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-10-13 00:59:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-10-13 00:59:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2021-10-13 00:59:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-10-13 00:59:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:38,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-10-13 00:59:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-10-13 00:59:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 985 [2021-10-13 00:59:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-10-13 00:59:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-10-13 00:59:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-10-13 00:59:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1279 [2021-10-13 00:59:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-13 00:59:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-10-13 00:59:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-10-13 00:59:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-10-13 00:59:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:59:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-13 00:59:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-13 00:59:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-13 00:59:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-13 00:59:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:59:39,731 INFO L134 CoverageAnalysis]: Checked inductivity of 253210 backedges. 1860 proven. 16321 refuted. 0 times theorem prover too weak. 235029 trivial. 0 not checked. [2021-10-13 00:59:39,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:59:39,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957251525] [2021-10-13 00:59:39,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957251525] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:39,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809453246] [2021-10-13 00:59:39,732 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-13 00:59:39,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:59:39,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:59:39,734 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:59:39,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (165)] Waiting until timeout for monitored process [2021-10-13 00:59:40,707 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2021-10-13 00:59:40,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:59:40,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-13 00:59:40,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:59:44,523 INFO L134 CoverageAnalysis]: Checked inductivity of 253210 backedges. 59890 proven. 350 refuted. 0 times theorem prover too weak. 192970 trivial. 0 not checked. [2021-10-13 00:59:44,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809453246] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:59:44,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:59:44,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21] total 26 [2021-10-13 00:59:44,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645407201] [2021-10-13 00:59:44,528 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:59:44,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:59:44,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-10-13 00:59:44,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1013, Unknown=0, NotChecked=0, Total=1122 [2021-10-13 00:59:44,529 INFO L87 Difference]: Start difference. First operand 260 states and 343 transitions. cyclomatic complexity: 89 Second operand has 34 states, 30 states have (on average 2.1666666666666665) internal successors, (65), 24 states have internal predecessors, (65), 18 states have call successors, (21), 2 states have call predecessors, (21), 18 states have return successors, (35), 20 states have call predecessors, (35), 17 states have call successors, (35) [2021-10-13 00:59:47,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:59:47,366 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2021-10-13 00:59:47,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-10-13 00:59:47,366 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 241 transitions. [2021-10-13 00:59:47,369 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:59:47,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 0 states and 0 transitions. [2021-10-13 00:59:47,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:59:47,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:59:47,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:59:47,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:59:47,370 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:59:47,370 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:59:47,371 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:59:47,371 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-13 00:59:47,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:59:47,371 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:59:47,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:59:47,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:59:47 BoogieIcfgContainer [2021-10-13 00:59:47,377 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:59:47,378 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:59:47,378 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:59:47,378 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:59:47,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:39" (3/4) ... [2021-10-13 00:59:47,382 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:59:47,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:59:47,383 INFO L168 Benchmark]: Toolchain (without parser) took 68635.54 ms. Allocated memory was 79.7 MB in the beginning and 752.9 MB in the end (delta: 673.2 MB). Free memory was 43.2 MB in the beginning and 208.0 MB in the end (delta: -164.8 MB). Peak memory consumption was 507.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:59:47,384 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory was 59.4 MB in the beginning and 59.3 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:59:47,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.87 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 43.0 MB in the beginning and 74.2 MB in the end (delta: -31.2 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:59:47,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.13 ms. Allocated memory is still 96.5 MB. Free memory was 74.2 MB in the beginning and 72.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:59:47,385 INFO L168 Benchmark]: Boogie Preprocessor took 19.10 ms. Allocated memory is still 96.5 MB. Free memory was 72.7 MB in the beginning and 71.9 MB in the end (delta: 879.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:59:47,386 INFO L168 Benchmark]: RCFGBuilder took 268.88 ms. Allocated memory is still 96.5 MB. Free memory was 71.6 MB in the beginning and 62.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:59:47,386 INFO L168 Benchmark]: BuchiAutomizer took 68019.91 ms. Allocated memory was 96.5 MB in the beginning and 752.9 MB in the end (delta: 656.4 MB). Free memory was 62.3 MB in the beginning and 208.0 MB in the end (delta: -145.8 MB). Peak memory consumption was 509.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:59:47,386 INFO L168 Benchmark]: Witness Printer took 4.09 ms. Allocated memory is still 752.9 MB. Free memory is still 208.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:59:47,388 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory was 59.4 MB in the beginning and 59.3 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 266.87 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 43.0 MB in the beginning and 74.2 MB in the end (delta: -31.2 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.13 ms. Allocated memory is still 96.5 MB. Free memory was 74.2 MB in the beginning and 72.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.10 ms. Allocated memory is still 96.5 MB. Free memory was 72.7 MB in the beginning and 71.9 MB in the end (delta: 879.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 268.88 ms. Allocated memory is still 96.5 MB. Free memory was 71.6 MB in the beginning and 62.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 68019.91 ms. Allocated memory was 96.5 MB in the beginning and 752.9 MB in the end (delta: 656.4 MB). Free memory was 62.3 MB in the beginning and 208.0 MB in the end (delta: -145.8 MB). Peak memory consumption was 509.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.09 ms. Allocated memory is still 752.9 MB. Free memory is still 208.0 MB. There was no memory consumed. 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 16 terminating modules (10 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -2 * \old(n) + 1 and consists of 4 locations. One deterministic module has affine ranking function n and consists of 8 locations. One deterministic module has affine ranking function m and consists of 10 locations. One deterministic module has affine ranking function m and consists of 8 locations. One nondeterministic module has affine ranking function n and consists of 8 locations. One nondeterministic module has affine ranking function \old(n) and consists of 15 locations. 10 modules have a trivial ranking function, the largest among these consists of 35 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 67.9s and 16 iterations. TraceHistogramMax:322. Analysis of lassos took 51.5s. Construction of modules took 3.0s. Büchi inclusion checks took 12.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 15. Automata minimization 203.4ms AutomataMinimizationTime, 15 MinimizatonAttempts, 199 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 260 states and ocurred in iteration 14. Nontrivial modules had stage [1, 3, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 7/12 HoareTripleCheckerStatistics: 414 SDtfs, 720 SDslu, 1168 SDs, 0 SdLazy, 4334 SolverSat, 1800 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3022.3ms Time LassoAnalysisResults: nont0 unkn0 SFLI3 SFLT1 conc0 concLT1 SILN2 SILU0 SILI4 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital56 mio100 ax100 hnf99 lsp62 ukn84 mio100 lsp87 div100 bol100 ite100 ukn100 eq195 hnf93 smp95 dnf149 smp100 tf104 neg95 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 41 LassoNonterminationAnalysisSatUnbounded: 6 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 10.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:59:47,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (165)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:47,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (164)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:47,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (163)] Ended with exit code 0 [2021-10-13 00:59:48,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (162)] Ended with exit code 0 [2021-10-13 00:59:48,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:48,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (160)] Ended with exit code 0 [2021-10-13 00:59:48,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (159)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:48,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (144)] Ended with exit code 0 [2021-10-13 00:59:49,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (143)] Ended with exit code 0 [2021-10-13 00:59:49,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (142)] Ended with exit code 0 [2021-10-13 00:59:49,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (134)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:49,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Forceful destruction successful, exit code 0 [2021-10-13 00:59:49,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_323bb8e3-7a01-4797-84b9-82f4d92ab008/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...