./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Ackermann02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU --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 20c02b81d1b1bc312ccc75d6e9b31c6252d69e8a6e2560afe3a2a95a3e53102a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:13:54,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:13:54,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:13:54,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:13:54,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:13:54,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:13:54,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:13:54,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:13:54,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:13:54,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:13:54,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:13:54,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:13:54,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:13:54,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:13:54,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:13:54,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:13:54,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:13:54,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:13:54,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:13:54,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:13:54,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:13:54,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:13:54,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:13:54,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:13:54,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:13:54,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:13:54,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:13:54,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:13:54,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:13:54,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:13:54,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:13:54,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:13:54,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:13:54,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:13:54,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:13:54,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:13:54,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:13:54,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:13:54,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:13:54,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:13:54,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:13:54,293 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 22:13:54,353 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:13:54,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:13:54,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:13:54,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:13:54,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:13:54,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:13:54,359 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:13:54,359 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:13:54,360 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:13:54,360 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:13:54,361 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:13:54,362 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:13:54,362 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:13:54,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:13:54,363 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:13:54,363 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:13:54,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:13:54,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:13:54,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:13:54,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:13:54,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:13:54,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:13:54,365 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:13:54,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:13:54,366 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:13:54,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:13:54,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:13:54,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:13:54,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:13:54,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:13:54,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:13:54,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:13:54,371 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:13:54,372 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_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20c02b81d1b1bc312ccc75d6e9b31c6252d69e8a6e2560afe3a2a95a3e53102a [2021-11-02 22:13:54,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:13:54,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:13:54,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:13:54,860 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:13:54,861 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:13:54,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/recursive/Ackermann02.c [2021-11-02 22:13:54,941 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/data/706b0bb4f/0393fa98863948aca7244ffcdabda097/FLAGedc2bcfc7 [2021-11-02 22:13:55,533 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:13:55,534 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/sv-benchmarks/c/recursive/Ackermann02.c [2021-11-02 22:13:55,543 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/data/706b0bb4f/0393fa98863948aca7244ffcdabda097/FLAGedc2bcfc7 [2021-11-02 22:13:55,887 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/data/706b0bb4f/0393fa98863948aca7244ffcdabda097 [2021-11-02 22:13:55,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:13:55,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:13:55,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:13:55,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:13:55,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:13:55,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:13:55" (1/1) ... [2021-11-02 22:13:55,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31da614d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:55, skipping insertion in model container [2021-11-02 22:13:55,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:13:55" (1/1) ... [2021-11-02 22:13:55,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:13:55,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:13:56,152 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_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/sv-benchmarks/c/recursive/Ackermann02.c[1157,1170] [2021-11-02 22:13:56,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:13:56,179 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:13:56,206 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_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/sv-benchmarks/c/recursive/Ackermann02.c[1157,1170] [2021-11-02 22:13:56,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:13:56,227 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:13:56,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:56 WrapperNode [2021-11-02 22:13:56,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:13:56,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:13:56,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:13:56,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:13:56,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:56" (1/1) ... [2021-11-02 22:13:56,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:56" (1/1) ... [2021-11-02 22:13:56,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:13:56,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:13:56,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:13:56,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:13:56,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:56" (1/1) ... [2021-11-02 22:13:56,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:56" (1/1) ... [2021-11-02 22:13:56,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:56" (1/1) ... [2021-11-02 22:13:56,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:56" (1/1) ... [2021-11-02 22:13:56,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:56" (1/1) ... [2021-11-02 22:13:56,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:56" (1/1) ... [2021-11-02 22:13:56,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:56" (1/1) ... [2021-11-02 22:13:56,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:13:56,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:13:56,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:13:56,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:13:56,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:56" (1/1) ... [2021-11-02 22:13:56,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:56,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:56,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:56,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 22:13:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:13:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:13:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2021-11-02 22:13:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2021-11-02 22:13:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:13:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:13:56,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:13:56,770 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-02 22:13:56,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:13:56 BoogieIcfgContainer [2021-11-02 22:13:56,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:13:56,774 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 22:13:56,775 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 22:13:56,779 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 22:13:56,780 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:13:56,780 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 10:13:55" (1/3) ... [2021-11-02 22:13:56,782 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e0a4cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:13:56, skipping insertion in model container [2021-11-02 22:13:56,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:13:56,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:13:56" (2/3) ... [2021-11-02 22:13:56,784 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e0a4cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:13:56, skipping insertion in model container [2021-11-02 22:13:56,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:13:56,784 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:13:56" (3/3) ... [2021-11-02 22:13:56,786 INFO L389 chiAutomizerObserver]: Analyzing ICFG Ackermann02.c [2021-11-02 22:13:56,844 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 22:13:56,845 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 22:13:56,845 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 22:13:56,845 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 22:13:56,845 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 22:13:56,845 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 22:13:56,846 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 22:13:56,846 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 22:13:56,866 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) [2021-11-02 22:13:56,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-02 22:13:56,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:13:56,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:13:56,909 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-02 22:13:56,910 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-02 22:13:56,910 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 22:13:56,911 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) [2021-11-02 22:13:56,916 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-02 22:13:56,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:13:56,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:13:56,918 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-02 22:13:56,918 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-02 22:13:56,927 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 [2021-11-02 22:13:56,928 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 [2021-11-02 22:13:56,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:13:56,936 INFO L85 PathProgramCache]: Analyzing trace with hash 28695872, now seen corresponding path program 1 times [2021-11-02 22:13:56,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:13:56,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126466032] [2021-11-02 22:13:56,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:13:56,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:13:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:13:57,090 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:13:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:13:57,175 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:13:57,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:13:57,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1697199, now seen corresponding path program 1 times [2021-11-02 22:13:57,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:13:57,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403864354] [2021-11-02 22:13:57,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:13:57,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:13:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:13:57,199 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:13:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:13:57,209 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:13:57,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:13:57,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1292962670, now seen corresponding path program 1 times [2021-11-02 22:13:57,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:13:57,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673361588] [2021-11-02 22:13:57,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:13:57,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:13:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:13:57,266 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:13:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:13:57,336 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:13:57,519 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:13:57,520 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:13:57,520 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:13:57,520 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:13:57,521 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:13:57,521 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:57,521 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:13:57,522 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:13:57,522 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration1_Loop [2021-11-02 22:13:57,522 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:13:57,522 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:13:57,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:57,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:57,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:57,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:57,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:57,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:57,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:57,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:57,685 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:13:57,686 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:13:57,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:57,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:57,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:57,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-02 22:13:57,696 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:13:57,696 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:13:57,723 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:13:57,723 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~m=0} Honda state: {ackermann_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:13:57,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:13:57,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:57,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:57,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:57,777 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:13:57,777 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:13:57,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-02 22:13:57,811 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:13:57,812 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:13:57,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:13:57,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:57,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:57,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:57,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-02 22:13:57,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:13:57,870 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:13:57,883 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:13:57,884 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:13:57,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:13:57,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:57,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:57,919 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:57,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-02 22:13:57,923 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:13:57,924 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:13:57,941 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:13:57,941 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0} Honda state: {ackermann_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:13:57,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-02 22:13:57,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:57,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:57,972 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:57,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-02 22:13:57,976 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:13:57,976 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:13:57,987 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:13:57,987 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:13:58,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-02 22:13:58,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:58,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:58,021 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:58,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-02 22:13:58,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:13:58,027 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:13:58,069 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:13:58,069 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:13:58,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-02 22:13:58,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:58,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:58,104 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:58,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-02 22:13:58,111 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:13:58,111 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:13:58,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-02 22:13:58,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:58,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:58,178 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:58,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-02 22:13:58,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:13:58,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:13:58,229 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-02 22:13:58,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-02 22:13:58,256 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:13:58,256 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:13:58,256 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:13:58,256 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:13:58,256 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:13:58,256 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:58,256 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:13:58,257 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:13:58,257 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration1_Loop [2021-11-02 22:13:58,257 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:13:58,257 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:13:58,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:58,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:58,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:58,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:58,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:58,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:58,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:58,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:58,441 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:13:58,447 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:13:58,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:58,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:58,457 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:58,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:13:58,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:13:58,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:13:58,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:13:58,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:13:58,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:13:58,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:13:58,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:13:58,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-02 22:13:58,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:13:58,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-02 22:13:58,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:58,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:58,550 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:58,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:13:58,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:13:58,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:13:58,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:13:58,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:13:58,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:13:58,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:13:58,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:13:58,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-02 22:13:58,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:13:58,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-02 22:13:58,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:58,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:58,642 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:58,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-02 22:13:58,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:13:58,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:13:58,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:13:58,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:13:58,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:13:58,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:13:58,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:13:58,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:13:58,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:13:58,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-02 22:13:58,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:58,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:58,706 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:58,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-02 22:13:58,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:13:58,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:13:58,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:13:58,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:13:58,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:13:58,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:13:58,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:13:58,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:13:58,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:13:58,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-02 22:13:58,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:58,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:58,773 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:58,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-02 22:13:58,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:13:58,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:13:58,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:13:58,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:13:58,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:13:58,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:13:58,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:13:58,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:13:58,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:13:58,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-02 22:13:58,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:58,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:58,875 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:58,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:13:58,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:13:58,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:13:58,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:13:58,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:13:58,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:13:58,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:13:58,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:13:58,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-02 22:13:58,919 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:13:58,924 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-02 22:13:58,924 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-02 22:13:58,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:58,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:58,928 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:58,934 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:13:58,935 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-02 22:13:58,935 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:13:58,936 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_#in~n) = -2*ackermann_#in~n + 1 Supporting invariants [] [2021-11-02 22:13:58,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-02 22:13:58,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-02 22:13:58,975 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-02 22:13:59,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:13:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:13:59,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 22:13:59,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:13:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:13:59,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-02 22:13:59,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:13:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:13:59,225 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 [2021-11-02 22:13:59,227 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) [2021-11-02 22:13:59,388 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. [2021-11-02 22:13:59,389 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 [2021-11-02 22:13:59,391 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) [2021-11-02 22:13:59,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-11-02 22:13:59,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-02 22:13:59,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:13:59,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 4 letters. [2021-11-02 22:13:59,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:13:59,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 8 letters. [2021-11-02 22:13:59,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:13:59,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 65 transitions. [2021-11-02 22:13:59,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-02 22:13:59,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 29 states and 37 transitions. [2021-11-02 22:13:59,422 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-11-02 22:13:59,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-11-02 22:13:59,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2021-11-02 22:13:59,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:13:59,424 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-11-02 22:13:59,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2021-11-02 22:13:59,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 22. [2021-11-02 22:13:59,463 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) [2021-11-02 22:13:59,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-11-02 22:13:59,465 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-02 22:13:59,465 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-02 22:13:59,466 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 22:13:59,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-11-02 22:13:59,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-02 22:13:59,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:13:59,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:13:59,468 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:13:59,468 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-02 22:13:59,468 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 [2021-11-02 22:13:59,469 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 [2021-11-02 22:13:59,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:13:59,469 INFO L85 PathProgramCache]: Analyzing trace with hash 180255807, now seen corresponding path program 1 times [2021-11-02 22:13:59,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:13:59,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257546555] [2021-11-02 22:13:59,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:13:59,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:13:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:13:59,491 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:13:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:13:59,515 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:13:59,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:13:59,516 INFO L85 PathProgramCache]: Analyzing trace with hash 2259284, now seen corresponding path program 1 times [2021-11-02 22:13:59,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:13:59,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281849095] [2021-11-02 22:13:59,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:13:59,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:13:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:13:59,524 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:13:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:13:59,532 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:13:59,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:13:59,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1387046546, now seen corresponding path program 1 times [2021-11-02 22:13:59,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:13:59,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941773886] [2021-11-02 22:13:59,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:13:59,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:13:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:13:59,570 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:13:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:13:59,632 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:13:59,766 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:13:59,766 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:13:59,766 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:13:59,766 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:13:59,766 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:13:59,766 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:59,767 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:13:59,767 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:13:59,767 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration2_Loop [2021-11-02 22:13:59,767 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:13:59,767 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:13:59,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:59,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:59,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:59,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:59,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:59,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:13:59,919 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:13:59,919 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:13:59,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:13:59,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:13:59,923 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:13:59,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:13:59,952 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:13:59,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-02 22:13:59,988 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:13:59,988 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: [] [2021-11-02 22:14:00,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:00,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:00,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:00,047 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:00,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:00,055 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:00,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-02 22:14:00,079 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:00,079 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:00,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:00,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:00,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:00,116 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:00,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-02 22:14:00,119 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:00,120 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:00,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:00,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:00,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:00,174 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:00,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-02 22:14:00,181 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:14:00,181 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:05,142 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:05,143 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] [2021-11-02 22:14:05,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:05,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:05,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:05,207 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:05,215 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:05,215 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:05,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-02 22:14:05,247 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:05,247 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:05,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:05,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:05,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:05,303 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:05,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:05,311 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:05,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-02 22:14:05,332 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:05,333 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:05,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:05,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:05,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:05,381 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:05,388 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:05,388 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:05,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-02 22:14:05,411 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:05,411 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:05,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:05,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:06,586 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:14:06,586 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:14:06,586 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:14:06,586 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:14:06,587 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:14:06,587 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:06,587 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:14:06,587 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:14:06,587 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration2_Lasso [2021-11-02 22:14:06,587 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:14:06,587 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:14:06,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:06,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:07,221 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:14:07,227 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:14:07,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:07,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:07,231 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:07,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:07,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:07,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:07,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:07,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:07,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-02 22:14:07,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:07,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:07,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:07,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:07,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:07,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:07,313 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:07,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-02 22:14:07,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:07,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:07,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:07,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:07,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:07,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:07,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:07,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:07,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:07,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-02 22:14:07,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:07,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:07,378 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:07,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-02 22:14:07,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:07,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:07,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:07,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:07,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:07,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:07,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:07,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:07,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:07,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:07,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:07,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:07,418 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:07,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-02 22:14:07,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:07,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:07,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:07,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:07,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:07,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:07,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:07,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:07,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:07,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-02 22:14:07,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:07,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:07,459 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:07,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:07,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-02 22:14:07,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:07,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:07,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:07,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:07,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:07,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:07,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:07,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:07,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-02 22:14:07,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:07,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:07,530 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:07,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-02 22:14:07,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:07,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:07,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:07,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:07,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:07,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:07,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:07,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:07,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:07,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-02 22:14:07,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:07,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:07,573 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:07,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-02 22:14:07,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:07,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:07,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:07,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:07,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:07,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:07,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:07,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:07,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:07,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:07,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:07,654 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:07,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-02 22:14:07,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:07,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:07,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:07,667 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:14:07,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:07,687 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-02 22:14:07,687 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 22:14:07,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:07,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-02 22:14:07,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:07,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:07,779 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:07,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:07,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:07,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:07,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:07,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:07,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:07,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:07,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:07,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-02 22:14:07,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:07,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-02 22:14:07,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:07,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:07,839 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:07,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-02 22:14:07,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:07,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:07,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:07,851 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:14:07,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:07,865 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-02 22:14:07,865 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 22:14:07,893 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:14:07,927 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-02 22:14:07,928 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-11-02 22:14:07,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:07,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:07,931 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:07,940 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:14:07,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-02 22:14:07,956 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-11-02 22:14:07,956 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:14:07,956 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~n) = 1*ackermann_~n Supporting invariants [2*ackermann_~n - 1 >= 0] [2021-11-02 22:14:07,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-02 22:14:08,029 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-11-02 22:14:08,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:08,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-02 22:14:08,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:08,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:14:08,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:14:08,286 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 [2021-11-02 22:14:08,286 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) [2021-11-02 22:14:08,432 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. [2021-11-02 22:14:08,433 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 [2021-11-02 22:14:08,433 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) [2021-11-02 22:14:08,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2021-11-02 22:14:08,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 12 transitions. Stem has 8 letters. Loop has 4 letters. [2021-11-02 22:14:08,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:08,435 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:14:08,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:08,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-02 22:14:08,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:08,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:14:08,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:08,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:14:08,736 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 [2021-11-02 22:14:08,737 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) [2021-11-02 22:14:08,885 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. [2021-11-02 22:14:08,885 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 [2021-11-02 22:14:08,886 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) [2021-11-02 22:14:08,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 18 transitions. [2021-11-02 22:14:08,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 8 letters. Loop has 4 letters. [2021-11-02 22:14:08,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:08,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 12 letters. Loop has 4 letters. [2021-11-02 22:14:08,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:08,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 8 letters. Loop has 8 letters. [2021-11-02 22:14:08,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:08,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 67 transitions. [2021-11-02 22:14:08,906 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-02 22:14:08,914 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 42 states and 59 transitions. [2021-11-02 22:14:08,914 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-11-02 22:14:08,915 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-11-02 22:14:08,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 59 transitions. [2021-11-02 22:14:08,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:14:08,916 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2021-11-02 22:14:08,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 59 transitions. [2021-11-02 22:14:08,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 33. [2021-11-02 22:14:08,926 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) [2021-11-02 22:14:08,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-11-02 22:14:08,929 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-11-02 22:14:08,929 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-11-02 22:14:08,929 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-02 22:14:08,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 45 transitions. [2021-11-02 22:14:08,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-02 22:14:08,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:14:08,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:14:08,933 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:14:08,933 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-02 22:14:08,934 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 [2021-11-02 22:14:08,934 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 [2021-11-02 22:14:08,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:08,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1387046543, now seen corresponding path program 1 times [2021-11-02 22:14:08,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:08,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854092625] [2021-11-02 22:14:08,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:08,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:08,993 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:09,024 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:09,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:09,028 INFO L85 PathProgramCache]: Analyzing trace with hash 2199699, now seen corresponding path program 2 times [2021-11-02 22:14:09,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:09,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879032992] [2021-11-02 22:14:09,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:09,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:09,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:14:09,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:14:09,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879032992] [2021-11-02 22:14:09,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879032992] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:14:09,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:14:09,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:14:09,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552047104] [2021-11-02 22:14:09,105 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:14:09,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:14:09,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:14:09,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:14:09,111 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) [2021-11-02 22:14:09,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:14:09,173 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2021-11-02 22:14:09,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:14:09,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2021-11-02 22:14:09,182 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-11-02 22:14:09,188 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 45 states and 61 transitions. [2021-11-02 22:14:09,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2021-11-02 22:14:09,191 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-11-02 22:14:09,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 61 transitions. [2021-11-02 22:14:09,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:14:09,192 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 61 transitions. [2021-11-02 22:14:09,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 61 transitions. [2021-11-02 22:14:09,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2021-11-02 22:14:09,204 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) [2021-11-02 22:14:09,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2021-11-02 22:14:09,208 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 60 transitions. [2021-11-02 22:14:09,208 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 60 transitions. [2021-11-02 22:14:09,208 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-02 22:14:09,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 60 transitions. [2021-11-02 22:14:09,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-11-02 22:14:09,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:14:09,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:14:09,217 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:14:09,217 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2021-11-02 22:14:09,217 INFO L791 eck$LassoCheckResult]: Stem: 509#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 510#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 521#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 522#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 531#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 532#ackermannENTRY ~m := #in~m;~n := #in~n; 546#L17 assume !(0 == ~m); 549#L20 assume !(0 == ~n); 516#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 538#ackermannENTRY ~m := #in~m;~n := #in~n; 551#L17 assume !(0 == ~m); 547#L20 assume 0 == ~n; 528#L21 [2021-11-02 22:14:09,218 INFO L793 eck$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 [2021-11-02 22:14:09,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:09,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1387046543, now seen corresponding path program 2 times [2021-11-02 22:14:09,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:09,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891961454] [2021-11-02 22:14:09,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:09,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:09,265 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:09,292 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:09,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:09,303 INFO L85 PathProgramCache]: Analyzing trace with hash -47204506, now seen corresponding path program 1 times [2021-11-02 22:14:09,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:09,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654181305] [2021-11-02 22:14:09,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:09,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:09,310 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:09,316 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:09,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:09,318 INFO L85 PathProgramCache]: Analyzing trace with hash -2117341196, now seen corresponding path program 1 times [2021-11-02 22:14:09,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:09,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969656605] [2021-11-02 22:14:09,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:09,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:09,333 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:09,354 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:09,627 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:14:09,627 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:14:09,627 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:14:09,628 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:14:09,628 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:14:09,628 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:09,628 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:14:09,628 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:14:09,628 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration4_Loop [2021-11-02 22:14:09,628 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:14:09,628 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:14:09,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:09,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:09,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:09,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:09,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:09,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:09,732 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:14:09,732 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:14:09,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:09,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:09,734 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:09,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:09,744 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:09,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-02 22:14:09,775 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:09,775 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:09,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:09,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:09,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:09,830 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:09,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-02 22:14:09,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:09,839 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:09,863 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:09,863 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:09,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:09,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:09,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:09,904 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:09,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-02 22:14:09,907 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:09,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:09,918 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:09,918 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:09,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-02 22:14:09,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:09,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:09,945 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:09,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-02 22:14:09,947 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:09,947 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:09,970 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:09,970 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: [] [2021-11-02 22:14:09,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-02 22:14:09,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:09,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:09,998 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:10,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-02 22:14:10,002 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:10,002 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:10,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-02 22:14:10,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:10,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:10,055 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:10,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-02 22:14:10,063 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:14:10,063 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:10,411 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:10,411 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] [2021-11-02 22:14:10,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:10,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:10,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:10,441 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:10,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-02 22:14:10,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:10,444 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:10,455 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:10,455 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:10,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-02 22:14:10,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:11,616 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:14:11,616 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:14:11,616 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:14:11,616 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:14:11,616 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:14:11,617 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:11,617 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:14:11,617 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:14:11,617 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration4_Lasso [2021-11-02 22:14:11,617 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:14:11,617 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:14:11,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:11,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:12,120 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:14:12,120 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:14:12,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:12,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:12,128 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:12,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-02 22:14:12,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:12,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:12,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:12,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:12,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:12,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:12,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:12,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:12,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:12,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:12,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:12,219 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:12,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:12,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:12,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:12,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:12,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:12,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:12,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:12,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:12,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-02 22:14:12,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:12,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:12,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:12,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:12,299 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:12,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:12,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:12,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:12,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:12,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:12,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-02 22:14:12,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:12,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:12,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:12,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:12,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:12,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:12,353 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:12,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-02 22:14:12,354 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 [2021-11-02 22:14:12,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:12,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:12,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:12,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:12,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:12,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:12,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:12,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:12,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-02 22:14:12,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:12,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:12,406 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:12,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-02 22:14:12,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:12,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:12,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:12,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:12,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:12,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:12,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:12,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:12,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:12,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-02 22:14:12,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:12,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:12,464 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:12,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-02 22:14:12,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:12,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:12,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:12,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:12,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:12,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:12,481 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:12,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:12,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:12,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:12,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:12,512 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:12,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-02 22:14:12,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:12,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:12,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:12,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:12,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:12,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:12,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:12,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:12,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-02 22:14:12,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:12,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:12,570 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:12,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-02 22:14:12,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:12,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:12,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:12,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:12,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:12,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:12,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:12,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:12,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:12,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:12,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:12,647 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:12,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:12,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-02 22:14:12,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:12,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:12,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:12,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:12,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:12,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:12,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:12,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-11-02 22:14:12,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:12,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:12,711 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:12,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:12,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-02 22:14:12,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:12,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:12,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:12,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:12,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:12,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:12,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:12,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:12,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:12,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:12,792 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:12,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-02 22:14:12,793 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 [2021-11-02 22:14:12,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:12,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:12,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:12,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:12,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:12,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:12,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:12,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-02 22:14:12,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:12,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:12,837 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:12,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-02 22:14:12,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:12,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:12,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:12,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:12,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:12,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:12,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:12,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:12,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-02 22:14:12,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:12,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:12,887 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:12,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-02 22:14:12,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:12,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:12,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:12,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:12,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:12,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:12,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:12,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:12,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-02 22:14:12,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:12,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:12,958 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:12,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-02 22:14:12,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:12,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:12,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:12,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:12,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:12,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:12,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:12,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-02 22:14:13,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,040 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-02 22:14:13,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:13,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:13,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:13,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,136 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:13,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:13,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-02 22:14:13,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:13,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,255 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-02 22:14:13,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:13,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:13,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:13,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-02 22:14:13,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,308 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-02 22:14:13,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:13,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:13,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:13,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,395 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:13,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:13,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:13,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-02 22:14:13,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-02 22:14:13,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,469 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-02 22:14:13,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:13,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:13,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:13,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-02 22:14:13,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,509 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-02 22:14:13,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:13,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:13,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:13,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,579 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-02 22:14:13,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:13,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:13,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:13,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-02 22:14:13,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,627 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-02 22:14:13,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:13,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:13,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:13,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:13,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,667 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-02 22:14:13,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:13,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:13,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:13,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:13,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,705 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-02 22:14:13,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:13,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:13,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:13,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:13,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,776 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:13,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:13,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:13,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-02 22:14:13,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:13,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,835 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-02 22:14:13,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:13,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:13,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:13,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-02 22:14:13,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,877 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-02 22:14:13,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:13,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:13,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:13,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-02 22:14:13,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,923 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-02 22:14:13,925 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 [2021-11-02 22:14:13,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:13,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:13,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:13,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:13,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-02 22:14:13,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:13,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:13,972 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:13,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-02 22:14:13,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:13,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:13,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:13,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:13,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:13,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:13,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:13,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:13,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:14,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-11-02 22:14:14,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:14,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:14,014 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:14,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-02 22:14:14,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:14,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:14,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:14,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:14,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:14,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:14,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:14,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:14,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:14,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:14,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:14,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:14,091 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:14,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-02 22:14:14,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:14,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:14,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:14,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:14,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:14,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:14,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:14,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:14,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:14,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:14,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:14,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:14,153 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:14,154 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 [2021-11-02 22:14:14,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-02 22:14:14,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:14,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:14,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:14,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:14,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:14,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:14,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:14,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:14,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:14,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:14,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:14,220 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:14,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-02 22:14:14,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:14,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:14,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:14,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:14,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:14,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:14,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:14,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:14,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:14,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:14,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:14,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:14,264 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:14,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-02 22:14:14,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:14,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:14,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:14,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:14,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:14,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:14,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:14,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:14,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:14,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:14,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:14,338 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:14,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-02 22:14:14,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:14,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:14,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:14,350 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:14:14,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:14,359 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-02 22:14:14,359 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 22:14:14,383 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:14:14,402 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-11-02 22:14:14,402 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-11-02 22:14:14,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:14,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:14,410 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:14,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-02 22:14:14,417 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:14:14,429 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-11-02 22:14:14,429 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:14:14,429 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~m) = 1*ackermann_~m Supporting invariants [2*ackermann_~m - 1 >= 0] [2021-11-02 22:14:14,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:14,493 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-11-02 22:14:14,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:14,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-02 22:14:14,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:14,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-02 22:14:14,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:14,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:14:14,913 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 [2021-11-02 22:14:14,913 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) [2021-11-02 22:14:15,085 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. [2021-11-02 22:14:15,086 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 [2021-11-02 22:14:15,087 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) [2021-11-02 22:14:15,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 21 transitions. [2021-11-02 22:14:15,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 12 letters. Loop has 8 letters. [2021-11-02 22:14:15,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:15,088 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:14:15,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:15,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-02 22:14:15,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:15,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-02 22:14:15,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:15,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:14:15,484 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 [2021-11-02 22:14:15,485 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) [2021-11-02 22:14:15,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-11-02 22:14:15,844 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. [2021-11-02 22:14:15,845 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 [2021-11-02 22:14:15,845 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) [2021-11-02 22:14:15,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 34 transitions. [2021-11-02 22:14:15,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 34 transitions. Stem has 12 letters. Loop has 8 letters. [2021-11-02 22:14:15,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:15,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 34 transitions. Stem has 20 letters. Loop has 8 letters. [2021-11-02 22:14:15,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:15,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 34 transitions. Stem has 12 letters. Loop has 16 letters. [2021-11-02 22:14:15,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:15,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 223 transitions. [2021-11-02 22:14:15,855 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2021-11-02 22:14:15,861 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 115 states and 180 transitions. [2021-11-02 22:14:15,861 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76 [2021-11-02 22:14:15,862 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 78 [2021-11-02 22:14:15,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 180 transitions. [2021-11-02 22:14:15,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:14:15,863 INFO L681 BuchiCegarLoop]: Abstraction has 115 states and 180 transitions. [2021-11-02 22:14:15,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 180 transitions. [2021-11-02 22:14:15,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 110. [2021-11-02 22:14:15,880 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) [2021-11-02 22:14:15,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 175 transitions. [2021-11-02 22:14:15,883 INFO L704 BuchiCegarLoop]: Abstraction has 110 states and 175 transitions. [2021-11-02 22:14:15,883 INFO L587 BuchiCegarLoop]: Abstraction has 110 states and 175 transitions. [2021-11-02 22:14:15,883 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-02 22:14:15,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states and 175 transitions. [2021-11-02 22:14:15,886 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2021-11-02 22:14:15,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:14:15,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:14:15,888 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:14:15,888 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-02 22:14:15,888 INFO L791 eck$LassoCheckResult]: Stem: 1030#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1031#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 1049#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 1050#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 1066#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 1070#ackermannENTRY ~m := #in~m;~n := #in~n; 1098#L17 assume !(0 == ~m); 1099#L20 assume !(0 == ~n); 1034#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1032#ackermannENTRY ~m := #in~m;~n := #in~n; 1035#L17 assume 0 == ~m;#res := 1 + ~n; 1101#ackermannFINAL assume true; 1051#ackermannEXIT >#45#return; 1041#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 1067#ackermannENTRY [2021-11-02 22:14:15,888 INFO L793 eck$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 [2021-11-02 22:14:15,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:15,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1511844440, now seen corresponding path program 1 times [2021-11-02 22:14:15,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:15,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581157017] [2021-11-02 22:14:15,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:15,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:15,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-02 22:14:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:15,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 22:14:15,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:14:15,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581157017] [2021-11-02 22:14:15,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581157017] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:14:15,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:14:15,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:14:15,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417723189] [2021-11-02 22:14:15,979 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:14:15,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:15,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1697294, now seen corresponding path program 2 times [2021-11-02 22:14:15,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:15,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475143509] [2021-11-02 22:14:15,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:15,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:15,991 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:15,995 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:16,081 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:14:16,081 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:14:16,081 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:14:16,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:14:16,081 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:14:16,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:16,081 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:14:16,082 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:14:16,082 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration5_Loop [2021-11-02 22:14:16,082 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:14:16,082 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:14:16,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:16,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:16,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:16,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:16,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:16,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:16,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:16,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:16,181 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:14:16,182 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:14:16,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:16,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:16,187 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:16,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:16,190 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:16,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-02 22:14:16,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-02 22:14:16,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:16,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:16,236 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:16,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-02 22:14:16,238 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:14:16,238 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:16,268 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:16,268 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] [2021-11-02 22:14:16,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:16,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:16,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:16,295 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:16,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-02 22:14:16,299 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:16,299 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:16,310 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:16,310 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~m=0} Honda state: {ackermann_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:16,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:16,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:16,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:16,337 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:16,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-02 22:14:16,338 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:16,338 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:16,350 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:16,350 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:16,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:16,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:16,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:16,377 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:16,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-02 22:14:16,381 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:16,381 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:16,391 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:16,391 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0} Honda state: {ackermann_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:16,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-02 22:14:16,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:16,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:16,419 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:16,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-02 22:14:16,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:16,436 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:16,449 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:16,449 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:16,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:16,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:16,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:16,478 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:16,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-02 22:14:16,480 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:16,480 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:16,492 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:16,492 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:16,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-11-02 22:14:16,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:16,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:16,520 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:16,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-02 22:14:16,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:16,522 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:16,533 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:16,533 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:16,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-02 22:14:16,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:16,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:16,559 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:16,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-02 22:14:16,561 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:16,561 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:16,578 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:16,578 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=4} Honda state: {ackermann_#in~m=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:16,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:16,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:14:16,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:14:16,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:14:16,606 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) [2021-11-02 22:14:16,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:14:16,671 INFO L93 Difference]: Finished difference Result 82 states and 111 transitions. [2021-11-02 22:14:16,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:14:16,671 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 111 transitions. [2021-11-02 22:14:16,674 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2021-11-02 22:14:16,677 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 76 states and 105 transitions. [2021-11-02 22:14:16,677 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2021-11-02 22:14:16,678 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-11-02 22:14:16,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 76 states and 105 transitions. [2021-11-02 22:14:16,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:14:16,678 INFO L681 BuchiCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-11-02 22:14:16,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states and 105 transitions. [2021-11-02 22:14:16,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-11-02 22:14:16,687 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) [2021-11-02 22:14:16,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2021-11-02 22:14:16,689 INFO L704 BuchiCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-11-02 22:14:16,689 INFO L587 BuchiCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-11-02 22:14:16,689 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-02 22:14:16,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states and 105 transitions. [2021-11-02 22:14:16,691 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2021-11-02 22:14:16,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:14:16,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:14:16,692 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:14:16,692 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-02 22:14:16,692 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 [2021-11-02 22:14:16,693 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 [2021-11-02 22:14:16,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:16,693 INFO L85 PathProgramCache]: Analyzing trace with hash -376751137, now seen corresponding path program 2 times [2021-11-02 22:14:16,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:16,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591075970] [2021-11-02 22:14:16,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:16,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:16,706 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:16,720 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:16,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:16,721 INFO L85 PathProgramCache]: Analyzing trace with hash 2009294, now seen corresponding path program 3 times [2021-11-02 22:14:16,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:16,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429703147] [2021-11-02 22:14:16,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:16,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:16,726 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:16,729 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:16,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:16,729 INFO L85 PathProgramCache]: Analyzing trace with hash 2009908652, now seen corresponding path program 3 times [2021-11-02 22:14:16,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:16,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398637821] [2021-11-02 22:14:16,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:16,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:16,743 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:16,759 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:16,868 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:14:16,868 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:14:16,868 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:14:16,868 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:14:16,868 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:14:16,868 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:16,869 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:14:16,869 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:14:16,869 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration6_Loop [2021-11-02 22:14:16,869 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:14:16,869 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:14:16,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:16,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:16,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:16,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:16,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:16,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:16,968 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:14:16,968 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:14:16,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:16,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:16,970 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:16,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-02 22:14:16,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:16,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:16,984 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:16,984 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:17,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-11-02 22:14:17,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:17,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:17,014 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:17,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-02 22:14:17,016 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:17,016 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:17,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-11-02 22:14:17,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:17,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:17,065 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:17,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-02 22:14:17,067 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:14:17,067 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:17,133 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:17,133 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] [2021-11-02 22:14:17,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:17,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:17,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:17,160 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:17,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-02 22:14:17,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:17,166 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:17,177 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:17,178 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:17,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:17,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:17,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:17,207 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:17,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-02 22:14:17,208 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:17,209 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:17,220 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:17,220 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:17,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:17,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:17,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:17,248 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:17,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-02 22:14:17,249 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:17,250 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:17,267 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:17,267 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: [] [2021-11-02 22:14:17,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:17,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:17,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:17,294 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:17,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-02 22:14:17,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:17,296 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:17,307 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:17,307 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:17,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:18,617 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:14:18,617 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:14:18,618 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:14:18,618 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:14:18,618 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:14:18,618 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:18,618 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:14:18,618 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:14:18,618 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration6_Lasso [2021-11-02 22:14:18,618 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:14:18,618 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:14:18,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:18,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:19,092 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:14:19,093 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:14:19,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,103 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-02 22:14:19,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:19,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:19,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:19,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:19,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,146 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-02 22:14:19,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:19,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:19,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:19,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-11-02 22:14:19,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,194 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-02 22:14:19,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:19,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:19,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:19,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:19,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,233 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-02 22:14:19,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:19,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:19,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:19,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,279 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-02 22:14:19,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:19,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:19,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:19,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:19,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,318 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-02 22:14:19,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:19,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:19,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:19,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,362 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-02 22:14:19,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:19,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:19,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:19,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-11-02 22:14:19,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,403 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-02 22:14:19,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:19,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:19,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:19,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,463 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-02 22:14:19,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:19,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:19,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:19,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:19,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,504 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-02 22:14:19,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:19,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:19,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:19,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:19,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,544 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-02 22:14:19,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:19,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:19,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:19,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:19,587 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,589 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-02 22:14:19,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:19,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:19,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:19,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:19,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,637 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-02 22:14:19,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:19,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:19,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:19,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-11-02 22:14:19,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,678 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-02 22:14:19,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:19,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:19,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:19,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,720 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-02 22:14:19,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:19,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:19,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-11-02 22:14:19,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,766 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-02 22:14:19,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:19,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:19,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:19,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,809 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-02 22:14:19,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:19,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:19,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-11-02 22:14:19,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,857 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-11-02 22:14:19,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:19,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:19,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:19,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,907 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-11-02 22:14:19,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:19,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:19,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:19,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-11-02 22:14:19,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:19,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:19,954 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:19,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-11-02 22:14:19,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:19,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:19,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:19,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:19,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:19,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:19,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:19,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:20,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:20,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:20,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:20,017 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:20,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-11-02 22:14:20,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:20,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:20,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:20,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:20,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:20,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:20,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:20,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:20,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:20,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:20,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:20,060 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:20,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-11-02 22:14:20,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:20,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:20,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:20,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:20,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:20,073 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:20,073 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:20,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:20,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-11-02 22:14:20,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:20,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:20,103 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:20,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-11-02 22:14:20,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:20,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:20,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:20,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:20,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:20,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:20,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:20,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:20,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-11-02 22:14:20,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:20,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:20,146 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:20,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-11-02 22:14:20,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:20,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:20,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:20,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:20,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:20,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:20,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:20,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:20,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:20,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:20,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:20,192 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:20,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-11-02 22:14:20,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:20,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:20,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:20,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:20,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:20,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:20,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:20,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:20,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:20,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-11-02 22:14:20,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:20,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:20,235 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:20,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-11-02 22:14:20,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:20,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:20,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:20,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:20,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:20,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:20,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:20,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:20,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:20,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:20,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:20,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:20,280 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:20,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-11-02 22:14:20,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:20,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:20,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:20,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:20,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:20,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:20,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:20,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:20,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:20,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:20,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:20,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:20,329 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:20,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-11-02 22:14:20,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:20,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:20,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:20,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:20,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:20,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:20,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:20,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:20,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-11-02 22:14:20,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:20,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:20,380 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:20,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-11-02 22:14:20,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:20,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:20,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:20,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:20,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:20,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:20,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:20,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:20,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:20,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:20,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:20,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:20,443 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:20,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-11-02 22:14:20,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:20,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:20,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:20,456 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:14:20,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:20,464 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-02 22:14:20,464 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 22:14:20,486 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:14:20,511 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-02 22:14:20,511 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-11-02 22:14:20,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:20,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:20,514 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:20,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-11-02 22:14:20,516 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:14:20,533 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-11-02 22:14:20,534 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:14:20,534 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~n) = 1*ackermann_~n Supporting invariants [1*ackermann_~n >= 0] [2021-11-02 22:14:20,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:20,580 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-11-02 22:14:20,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:20,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:14:20,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:20,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:14:20,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:20,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:14:20,918 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 [2021-11-02 22:14:20,919 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) [2021-11-02 22:14:20,989 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. [2021-11-02 22:14:20,995 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 [2021-11-02 22:14:20,995 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) [2021-11-02 22:14:20,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-11-02 22:14:20,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 15 letters. Loop has 4 letters. [2021-11-02 22:14:20,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:20,996 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:14:21,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:21,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:14:21,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:21,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:14:21,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:21,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:14:21,286 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 [2021-11-02 22:14:21,286 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) [2021-11-02 22:14:21,322 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. [2021-11-02 22:14:21,322 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 [2021-11-02 22:14:21,323 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) [2021-11-02 22:14:21,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-11-02 22:14:21,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 15 letters. Loop has 4 letters. [2021-11-02 22:14:21,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:21,324 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:14:21,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:21,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:14:21,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:21,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:14:21,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:21,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:14:21,619 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 [2021-11-02 22:14:21,619 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) [2021-11-02 22:14:21,783 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. [2021-11-02 22:14:21,784 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 [2021-11-02 22:14:21,784 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) [2021-11-02 22:14:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2021-11-02 22:14:21,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 15 letters. Loop has 4 letters. [2021-11-02 22:14:21,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:21,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 19 letters. Loop has 4 letters. [2021-11-02 22:14:21,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:21,786 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 15 letters. Loop has 8 letters. [2021-11-02 22:14:21,787 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:21,788 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 171 states and 230 transitions. [2021-11-02 22:14:21,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2021-11-02 22:14:21,798 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 171 states to 113 states and 162 transitions. [2021-11-02 22:14:21,798 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2021-11-02 22:14:21,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2021-11-02 22:14:21,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 162 transitions. [2021-11-02 22:14:21,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:14:21,800 INFO L681 BuchiCegarLoop]: Abstraction has 113 states and 162 transitions. [2021-11-02 22:14:21,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 162 transitions. [2021-11-02 22:14:21,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 108. [2021-11-02 22:14:21,814 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) [2021-11-02 22:14:21,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 150 transitions. [2021-11-02 22:14:21,817 INFO L704 BuchiCegarLoop]: Abstraction has 108 states and 150 transitions. [2021-11-02 22:14:21,817 INFO L587 BuchiCegarLoop]: Abstraction has 108 states and 150 transitions. [2021-11-02 22:14:21,817 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-02 22:14:21,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 150 transitions. [2021-11-02 22:14:21,819 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2021-11-02 22:14:21,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:14:21,820 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:14:21,822 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:14:21,822 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:14:21,823 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 [2021-11-02 22:14:21,823 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 [2021-11-02 22:14:21,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:21,824 INFO L85 PathProgramCache]: Analyzing trace with hash -2142297082, now seen corresponding path program 1 times [2021-11-02 22:14:21,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:21,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111029347] [2021-11-02 22:14:21,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:21,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:21,839 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:21,870 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:21,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:21,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1250092377, now seen corresponding path program 1 times [2021-11-02 22:14:21,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:21,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675786441] [2021-11-02 22:14:21,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:21,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:21,901 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:21,918 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:21,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:21,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1017421986, now seen corresponding path program 1 times [2021-11-02 22:14:21,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:21,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471411986] [2021-11-02 22:14:21,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:21,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:22,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-02 22:14:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:22,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-02 22:14:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-02 22:14:22,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:14:22,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471411986] [2021-11-02 22:14:22,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471411986] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:22,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642062677] [2021-11-02 22:14:22,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:22,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:14:22,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:22,171 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:14:22,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Waiting until timeout for monitored process [2021-11-02 22:14:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:22,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-02 22:14:22,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-02 22:14:22,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642062677] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:22,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:14:22,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 13 [2021-11-02 22:14:22,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133485060] [2021-11-02 22:14:22,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2021-11-02 22:14:22,986 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:14:22,987 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:14:22,987 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:14:22,987 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:14:22,987 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:14:22,987 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:22,987 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:14:22,987 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:14:22,988 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration7_Loop [2021-11-02 22:14:22,988 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:14:22,988 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:14:22,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:22,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:23,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:23,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:23,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:23,095 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:14:23,095 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:14:23,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:23,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:23,099 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:23,105 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:23,105 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:23,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-11-02 22:14:23,127 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:23,127 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:23,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:23,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:23,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:23,175 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:23,183 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:23,184 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:23,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-11-02 22:14:23,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:23,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:23,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:23,251 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:23,254 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:14:23,254 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:23,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-11-02 22:14:26,165 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-02 22:14:26,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:26,169 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:14:26,170 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:14:26,170 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:14:26,170 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:14:26,170 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:14:26,170 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:26,170 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:14:26,170 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:14:26,170 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration7_Loop [2021-11-02 22:14:26,170 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:14:26,170 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:14:26,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:26,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:26,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:26,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:26,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:26,275 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:14:26,275 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:14:26,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:26,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:26,277 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:26,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:26,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:26,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:26,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:26,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:26,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:26,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:26,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:26,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-11-02 22:14:26,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:26,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:26,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:26,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:26,355 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:26,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:26,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:26,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:26,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:26,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:26,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:26,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:26,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:26,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-11-02 22:14:26,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:26,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-11-02 22:14:26,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:26,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:26,411 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:26,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-11-02 22:14:26,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:26,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:26,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:26,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:26,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:26,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:26,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:26,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:26,427 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:14:26,430 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-11-02 22:14:26,430 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-02 22:14:26,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:26,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:26,432 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:26,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-11-02 22:14:26,433 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:14:26,433 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-02 22:14:26,433 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:14:26,433 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~m) = 1*ackermann_~m Supporting invariants [] [2021-11-02 22:14:26,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2021-11-02 22:14:26,464 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-02 22:14:26,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:26,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-02 22:14:26,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:26,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-02 22:14:26,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:27,062 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:14:27,063 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 [2021-11-02 22:14:27,064 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) [2021-11-02 22:14:27,211 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. [2021-11-02 22:14:27,212 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 [2021-11-02 22:14:27,212 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) [2021-11-02 22:14:27,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2021-11-02 22:14:27,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 20 letters. Loop has 16 letters. [2021-11-02 22:14:27,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:27,217 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:14:27,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:27,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-02 22:14:27,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:27,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-02 22:14:27,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:14:27,876 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 [2021-11-02 22:14:27,877 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) [2021-11-02 22:14:27,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:28,169 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. [2021-11-02 22:14:28,170 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 [2021-11-02 22:14:28,170 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) [2021-11-02 22:14:28,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 33 transitions. [2021-11-02 22:14:28,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 20 letters. Loop has 16 letters. [2021-11-02 22:14:28,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:28,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 36 letters. Loop has 16 letters. [2021-11-02 22:14:28,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:28,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 20 letters. Loop has 32 letters. [2021-11-02 22:14:28,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:28,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 272 states and 409 transitions. [2021-11-02 22:14:28,181 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 47 [2021-11-02 22:14:28,190 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 272 states to 222 states and 347 transitions. [2021-11-02 22:14:28,191 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2021-11-02 22:14:28,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 122 [2021-11-02 22:14:28,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 222 states and 347 transitions. [2021-11-02 22:14:28,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:14:28,193 INFO L681 BuchiCegarLoop]: Abstraction has 222 states and 347 transitions. [2021-11-02 22:14:28,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states and 347 transitions. [2021-11-02 22:14:28,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 209. [2021-11-02 22:14:28,218 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) [2021-11-02 22:14:28,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 327 transitions. [2021-11-02 22:14:28,222 INFO L704 BuchiCegarLoop]: Abstraction has 209 states and 327 transitions. [2021-11-02 22:14:28,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:14:28,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-02 22:14:28,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-02 22:14:28,224 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) [2021-11-02 22:14:28,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:14:28,549 INFO L93 Difference]: Finished difference Result 232 states and 364 transitions. [2021-11-02 22:14:28,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-02 22:14:28,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 364 transitions. [2021-11-02 22:14:28,558 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 53 [2021-11-02 22:14:28,566 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 230 states and 362 transitions. [2021-11-02 22:14:28,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-11-02 22:14:28,567 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-11-02 22:14:28,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 230 states and 362 transitions. [2021-11-02 22:14:28,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:14:28,568 INFO L681 BuchiCegarLoop]: Abstraction has 230 states and 362 transitions. [2021-11-02 22:14:28,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states and 362 transitions. [2021-11-02 22:14:28,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 223. [2021-11-02 22:14:28,592 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) [2021-11-02 22:14:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 351 transitions. [2021-11-02 22:14:28,597 INFO L704 BuchiCegarLoop]: Abstraction has 223 states and 351 transitions. [2021-11-02 22:14:28,597 INFO L587 BuchiCegarLoop]: Abstraction has 223 states and 351 transitions. [2021-11-02 22:14:28,597 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-02 22:14:28,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 223 states and 351 transitions. [2021-11-02 22:14:28,601 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 53 [2021-11-02 22:14:28,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:14:28,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:14:28,602 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:14:28,602 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-02 22:14:28,603 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 [2021-11-02 22:14:28,603 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 [2021-11-02 22:14:28,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:28,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1132004457, now seen corresponding path program 2 times [2021-11-02 22:14:28,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:28,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301308556] [2021-11-02 22:14:28,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:28,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:28,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-02 22:14:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:28,747 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-02 22:14:28,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:14:28,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301308556] [2021-11-02 22:14:28,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301308556] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:28,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724890349] [2021-11-02 22:14:28,748 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 22:14:28,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:14:28,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:28,759 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:14:28,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (134)] Waiting until timeout for monitored process [2021-11-02 22:14:29,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-02 22:14:29,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:14:29,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-02 22:14:29,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:29,170 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-02 22:14:29,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724890349] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:29,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:14:29,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-11-02 22:14:29,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011977863] [2021-11-02 22:14:29,171 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:14:29,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:29,171 INFO L85 PathProgramCache]: Analyzing trace with hash 2259284, now seen corresponding path program 4 times [2021-11-02 22:14:29,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:29,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664537308] [2021-11-02 22:14:29,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:29,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:29,180 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:29,183 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:29,274 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:14:29,274 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:14:29,274 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:14:29,274 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:14:29,274 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:14:29,274 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:29,274 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:14:29,274 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:14:29,274 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration8_Loop [2021-11-02 22:14:29,274 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:14:29,275 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:14:29,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:29,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:29,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:29,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:29,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:29,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:29,397 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:14:29,397 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:14:29,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:29,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:29,398 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:29,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:29,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:29,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-11-02 22:14:29,423 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:29,423 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:29,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2021-11-02 22:14:29,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:29,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:29,463 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:29,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-11-02 22:14:29,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:29,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:29,476 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:29,476 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:29,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:29,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:29,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:29,504 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:29,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-11-02 22:14:29,505 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:29,505 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:29,525 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:29,525 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: [] [2021-11-02 22:14:29,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:29,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:29,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:29,555 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:29,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-11-02 22:14:29,557 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:29,557 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:29,569 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:29,569 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:29,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-11-02 22:14:29,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:29,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:29,599 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:29,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-11-02 22:14:29,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:29,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:29,611 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:29,611 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:29,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:29,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:29,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:29,640 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:29,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-11-02 22:14:29,642 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:29,642 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:29,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:29,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:29,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:29,696 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:29,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-11-02 22:14:29,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:14:29,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:34,808 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:34,808 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] [2021-11-02 22:14:34,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-11-02 22:14:34,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:14:34,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:14:34,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:14:34,841 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) [2021-11-02 22:14:34,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:14:35,000 INFO L93 Difference]: Finished difference Result 169 states and 264 transitions. [2021-11-02 22:14:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:14:35,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 264 transitions. [2021-11-02 22:14:35,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2021-11-02 22:14:35,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 161 states and 238 transitions. [2021-11-02 22:14:35,014 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2021-11-02 22:14:35,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113 [2021-11-02 22:14:35,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 238 transitions. [2021-11-02 22:14:35,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:14:35,016 INFO L681 BuchiCegarLoop]: Abstraction has 161 states and 238 transitions. [2021-11-02 22:14:35,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 238 transitions. [2021-11-02 22:14:35,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 155. [2021-11-02 22:14:35,037 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) [2021-11-02 22:14:35,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2021-11-02 22:14:35,045 INFO L704 BuchiCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-11-02 22:14:35,046 INFO L587 BuchiCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-11-02 22:14:35,046 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-02 22:14:35,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 215 transitions. [2021-11-02 22:14:35,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2021-11-02 22:14:35,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:14:35,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:14:35,064 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] [2021-11-02 22:14:35,073 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [12, 11, 7, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2] [2021-11-02 22:14:35,074 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 [2021-11-02 22:14:35,074 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 [2021-11-02 22:14:35,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:35,075 INFO L85 PathProgramCache]: Analyzing trace with hash -77167706, now seen corresponding path program 1 times [2021-11-02 22:14:35,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:35,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72197944] [2021-11-02 22:14:35,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:35,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:35,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-02 22:14:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:35,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:35,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:35,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:35,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:35,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:14:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:35,306 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 45 proven. 23 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-02 22:14:35,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:14:35,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72197944] [2021-11-02 22:14:35,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72197944] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:35,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709697782] [2021-11-02 22:14:35,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:35,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:14:35,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:35,309 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:14:35,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (142)] Waiting until timeout for monitored process [2021-11-02 22:14:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:35,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-02 22:14:35,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:35,833 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 48 proven. 15 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-02 22:14:35,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709697782] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:35,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:14:35,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-11-02 22:14:35,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609375676] [2021-11-02 22:14:35,836 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:14:35,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:35,837 INFO L85 PathProgramCache]: Analyzing trace with hash -804805273, now seen corresponding path program 1 times [2021-11-02 22:14:35,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:35,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255626997] [2021-11-02 22:14:35,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:35,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:35,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-02 22:14:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:36,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:36,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:36,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:36,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:36,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:36,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:36,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:14:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:36,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:14:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:36,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:14:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:36,157 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 103 proven. 65 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-02 22:14:36,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:14:36,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255626997] [2021-11-02 22:14:36,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255626997] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:36,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811015030] [2021-11-02 22:14:36,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:36,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:14:36,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:36,161 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:14:36,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (143)] Waiting until timeout for monitored process [2021-11-02 22:14:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:36,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-02 22:14:36,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:36,754 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 112 proven. 45 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-11-02 22:14:36,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811015030] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:36,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:14:36,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-11-02 22:14:36,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393443153] [2021-11-02 22:14:36,755 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:14:36,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:14:36,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-02 22:14:36,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-02 22:14:36,757 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) [2021-11-02 22:14:36,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:14:36,951 INFO L93 Difference]: Finished difference Result 177 states and 292 transitions. [2021-11-02 22:14:36,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:14:36,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 177 states and 292 transitions. [2021-11-02 22:14:36,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2021-11-02 22:14:36,964 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 177 states to 156 states and 245 transitions. [2021-11-02 22:14:36,964 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 109 [2021-11-02 22:14:36,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 109 [2021-11-02 22:14:36,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 245 transitions. [2021-11-02 22:14:36,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:14:36,966 INFO L681 BuchiCegarLoop]: Abstraction has 156 states and 245 transitions. [2021-11-02 22:14:36,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 245 transitions. [2021-11-02 22:14:36,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 137. [2021-11-02 22:14:36,984 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) [2021-11-02 22:14:36,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 184 transitions. [2021-11-02 22:14:36,987 INFO L704 BuchiCegarLoop]: Abstraction has 137 states and 184 transitions. [2021-11-02 22:14:36,987 INFO L587 BuchiCegarLoop]: Abstraction has 137 states and 184 transitions. [2021-11-02 22:14:36,987 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-02 22:14:36,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 184 transitions. [2021-11-02 22:14:36,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 28 [2021-11-02 22:14:36,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:14:36,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:14:37,000 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] [2021-11-02 22:14:37,001 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [13, 12, 9, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3] [2021-11-02 22:14:37,001 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 [2021-11-02 22:14:37,002 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 [2021-11-02 22:14:37,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:37,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1100790060, now seen corresponding path program 2 times [2021-11-02 22:14:37,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:37,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641514942] [2021-11-02 22:14:37,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:37,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:37,020 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:37,039 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:37,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:37,040 INFO L85 PathProgramCache]: Analyzing trace with hash -119431079, now seen corresponding path program 2 times [2021-11-02 22:14:37,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:37,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804301946] [2021-11-02 22:14:37,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:37,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-02 22:14:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:37,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:37,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:37,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:14:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:37,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:37,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 152 proven. 59 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-02 22:14:37,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:14:37,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804301946] [2021-11-02 22:14:37,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804301946] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:37,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199889323] [2021-11-02 22:14:37,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 22:14:37,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:14:37,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:37,420 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:14:37,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (144)] Waiting until timeout for monitored process [2021-11-02 22:14:37,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-02 22:14:37,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:14:37,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-02 22:14:37,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:38,220 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 90 proven. 84 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-11-02 22:14:38,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199889323] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:38,220 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:14:38,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-11-02 22:14:38,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146334462] [2021-11-02 22:14:38,221 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:14:38,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:14:38,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-02 22:14:38,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-11-02 22:14:38,222 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) [2021-11-02 22:14:39,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:14:39,371 INFO L93 Difference]: Finished difference Result 177 states and 270 transitions. [2021-11-02 22:14:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-02 22:14:39,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 177 states and 270 transitions. [2021-11-02 22:14:39,377 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 34 [2021-11-02 22:14:39,381 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 177 states to 176 states and 262 transitions. [2021-11-02 22:14:39,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 130 [2021-11-02 22:14:39,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 130 [2021-11-02 22:14:39,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 176 states and 262 transitions. [2021-11-02 22:14:39,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:14:39,383 INFO L681 BuchiCegarLoop]: Abstraction has 176 states and 262 transitions. [2021-11-02 22:14:39,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states and 262 transitions. [2021-11-02 22:14:39,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 165. [2021-11-02 22:14:39,392 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) [2021-11-02 22:14:39,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 246 transitions. [2021-11-02 22:14:39,395 INFO L704 BuchiCegarLoop]: Abstraction has 165 states and 246 transitions. [2021-11-02 22:14:39,395 INFO L587 BuchiCegarLoop]: Abstraction has 165 states and 246 transitions. [2021-11-02 22:14:39,395 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-02 22:14:39,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 246 transitions. [2021-11-02 22:14:39,398 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 34 [2021-11-02 22:14:39,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:14:39,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:14:39,399 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] [2021-11-02 22:14:39,399 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-02 22:14:39,400 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); 5970#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 5971#ackermannENTRY ~m := #in~m;~n := #in~n; 6001#L17 assume !(0 == ~m); 5999#L20 assume !(0 == ~n); 5986#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5995#ackermannENTRY ~m := #in~m;~n := #in~n; 5996#L17 assume !(0 == ~m); 5985#L20 assume 0 == ~n; 5987#L21 call #t~ret7 := ackermann(~m - 1, 1);< 6037#ackermannENTRY ~m := #in~m;~n := #in~n; 6070#L17 assume !(0 == ~m); 6069#L20 assume !(0 == ~n); 5978#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 6039#ackermannENTRY ~m := #in~m;~n := #in~n; 6040#L17 assume !(0 == ~m); 5994#L20 assume 0 == ~n; 6008#L21 call #t~ret7 := ackermann(~m - 1, 1);< 6036#ackermannENTRY ~m := #in~m;~n := #in~n; 6077#L17 assume 0 == ~m;#res := 1 + ~n; 6076#ackermannFINAL assume true; 6075#ackermannEXIT >#43#return; 6073#L21-1 #res := #t~ret7;havoc #t~ret7; 6071#ackermannFINAL assume true; 6068#ackermannEXIT >#45#return; 6066#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 6067#ackermannENTRY ~m := #in~m;~n := #in~n; 6074#L17 assume 0 == ~m;#res := 1 + ~n; 6072#ackermannFINAL assume true; 6065#ackermannEXIT >#47#return; 6064#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 6063#ackermannFINAL assume true; 6056#ackermannEXIT >#43#return; 6053#L21-1 #res := #t~ret7;havoc #t~ret7; 6050#ackermannFINAL assume true; 6042#ackermannEXIT >#45#return; 5952#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 6022#ackermannENTRY [2021-11-02 22:14:39,400 INFO L793 eck$LassoCheckResult]: Loop: 6022#ackermannENTRY ~m := #in~m;~n := #in~n; 6021#L17 assume !(0 == ~m); 6020#L20 assume !(0 == ~n); 5950#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 6022#ackermannENTRY [2021-11-02 22:14:39,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:39,401 INFO L85 PathProgramCache]: Analyzing trace with hash -235246462, now seen corresponding path program 3 times [2021-11-02 22:14:39,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:39,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235818541] [2021-11-02 22:14:39,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:39,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:39,417 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:39,434 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:39,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:39,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1697294, now seen corresponding path program 5 times [2021-11-02 22:14:39,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:39,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476452181] [2021-11-02 22:14:39,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:39,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:39,441 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:39,444 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:39,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:39,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1578641935, now seen corresponding path program 4 times [2021-11-02 22:14:39,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:39,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831651070] [2021-11-02 22:14:39,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:39,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:39,460 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:39,477 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:39,551 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:14:39,551 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:14:39,551 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:14:39,551 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:14:39,552 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:14:39,552 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:39,552 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:14:39,552 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:14:39,552 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration11_Loop [2021-11-02 22:14:39,552 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:14:39,552 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:14:39,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:39,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:39,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:39,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:39,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:39,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:39,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:39,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:39,649 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:14:39,649 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:14:39,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:39,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:39,655 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:39,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:39,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:39,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-11-02 22:14:39,691 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:39,691 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:39,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:39,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:39,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:39,736 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:39,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:39,739 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:39,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-11-02 22:14:39,754 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:39,755 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:39,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2021-11-02 22:14:39,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:39,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:39,786 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:39,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-11-02 22:14:39,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:39,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:39,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:39,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:39,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:39,827 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:39,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-11-02 22:14:39,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:14:39,828 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:39,914 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:39,914 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] [2021-11-02 22:14:39,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:39,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:39,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:39,942 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:39,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-11-02 22:14:39,944 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:39,944 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:39,954 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:39,954 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0} Honda state: {ackermann_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:39,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-11-02 22:14:39,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:39,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:39,982 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:39,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-11-02 22:14:39,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:39,983 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:40,001 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:40,002 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=4} Honda state: {ackermann_#in~m=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:40,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2021-11-02 22:14:40,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:40,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:40,032 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:40,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-11-02 22:14:40,033 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:40,033 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:40,043 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:40,044 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:40,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:40,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:40,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:40,070 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:40,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-11-02 22:14:40,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:40,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:40,107 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:40,107 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~m=0} Honda state: {ackermann_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:40,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:40,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:40,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:40,149 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:40,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-11-02 22:14:40,151 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:14:40,151 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:14:40,161 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 22:14:40,162 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 22:14:40,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:41,487 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:14:41,487 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:14:41,487 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:14:41,487 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:14:41,487 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:14:41,487 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:41,487 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:14:41,487 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:14:41,487 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration11_Lasso [2021-11-02 22:14:41,487 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:14:41,487 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:14:41,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:14:41,918 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:14:41,918 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:14:41,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:41,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:41,925 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:41,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-11-02 22:14:41,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:41,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:41,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:41,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:41,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:41,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:41,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:41,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:41,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:41,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:41,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:41,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:41,966 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:41,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-11-02 22:14:41,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:41,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:41,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:14:41,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:41,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:41,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:41,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:14:41,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:14:41,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:42,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:42,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:42,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:42,006 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:42,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-11-02 22:14:42,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:42,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:42,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:42,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:14:42,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:42,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:14:42,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:14:42,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:14:42,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:42,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:42,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:42,049 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:42,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-11-02 22:14:42,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:14:42,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:14:42,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:14:42,060 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:14:42,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:14:42,064 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-02 22:14:42,065 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 22:14:42,078 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:14:42,104 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-11-02 22:14:42,105 INFO L444 ModelExtractionUtils]: 0 out of 11 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-11-02 22:14:42,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:14:42,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:42,106 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:14:42,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-11-02 22:14:42,108 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:14:42,120 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-11-02 22:14:42,120 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:14:42,120 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_#in~n) = 1*ackermann_#in~n Supporting invariants [1*ackermann_#in~n >= 0] [2021-11-02 22:14:42,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2021-11-02 22:14:42,167 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-11-02 22:14:42,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:42,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-02 22:14:42,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:42,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Forceful destruction successful, exit code 0 [2021-11-02 22:14:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:43,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:14:43,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:43,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:14:43,618 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 [2021-11-02 22:14:43,618 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) [2021-11-02 22:14:44,124 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. [2021-11-02 22:14:44,129 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 [2021-11-02 22:14:44,130 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) [2021-11-02 22:14:44,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2021-11-02 22:14:44,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 40 letters. Loop has 4 letters. [2021-11-02 22:14:44,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:44,131 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:14:44,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:44,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-02 22:14:44,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:45,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:14:45,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:45,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:14:45,598 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 [2021-11-02 22:14:45,598 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) [2021-11-02 22:14:46,025 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. [2021-11-02 22:14:46,026 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 [2021-11-02 22:14:46,027 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) [2021-11-02 22:14:46,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2021-11-02 22:14:46,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 40 letters. Loop has 4 letters. [2021-11-02 22:14:46,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:46,028 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:14:46,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:46,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-02 22:14:46,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:47,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:14:47,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:14:47,320 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 [2021-11-02 22:14:47,320 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) [2021-11-02 22:14:48,085 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. [2021-11-02 22:14:48,087 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 [2021-11-02 22:14:48,089 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) [2021-11-02 22:14:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 37 transitions. [2021-11-02 22:14:48,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 40 letters. Loop has 4 letters. [2021-11-02 22:14:48,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:48,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 44 letters. Loop has 4 letters. [2021-11-02 22:14:48,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:48,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 40 letters. Loop has 8 letters. [2021-11-02 22:14:48,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:14:48,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 258 states and 363 transitions. [2021-11-02 22:14:48,100 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 43 [2021-11-02 22:14:48,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 258 states to 209 states and 287 transitions. [2021-11-02 22:14:48,106 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2021-11-02 22:14:48,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142 [2021-11-02 22:14:48,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 209 states and 287 transitions. [2021-11-02 22:14:48,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:14:48,116 INFO L681 BuchiCegarLoop]: Abstraction has 209 states and 287 transitions. [2021-11-02 22:14:48,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states and 287 transitions. [2021-11-02 22:14:48,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 184. [2021-11-02 22:14:48,128 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) [2021-11-02 22:14:48,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 240 transitions. [2021-11-02 22:14:48,130 INFO L704 BuchiCegarLoop]: Abstraction has 184 states and 240 transitions. [2021-11-02 22:14:48,130 INFO L587 BuchiCegarLoop]: Abstraction has 184 states and 240 transitions. [2021-11-02 22:14:48,131 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-02 22:14:48,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 184 states and 240 transitions. [2021-11-02 22:14:48,133 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 40 [2021-11-02 22:14:48,133 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:14:48,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:14:48,137 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] [2021-11-02 22:14:48,137 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [14, 11, 10, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3] [2021-11-02 22:14:48,137 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 [2021-11-02 22:14:48,139 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 [2021-11-02 22:14:48,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:48,140 INFO L85 PathProgramCache]: Analyzing trace with hash 2029382637, now seen corresponding path program 5 times [2021-11-02 22:14:48,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:48,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972933674] [2021-11-02 22:14:48,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:48,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:48,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-02 22:14:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:48,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:48,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:14:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:48,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:48,358 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 32 proven. 87 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-11-02 22:14:48,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:14:48,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972933674] [2021-11-02 22:14:48,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972933674] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:48,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359677140] [2021-11-02 22:14:48,360 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-02 22:14:48,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:14:48,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:48,363 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:14:48,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (159)] Waiting until timeout for monitored process [2021-11-02 22:14:49,077 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-11-02 22:14:49,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:14:49,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-02 22:14:49,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:49,354 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 36 proven. 83 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-11-02 22:14:49,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359677140] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:49,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:14:49,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-11-02 22:14:49,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562844025] [2021-11-02 22:14:49,355 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:14:49,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:49,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1345023226, now seen corresponding path program 3 times [2021-11-02 22:14:49,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:49,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415656148] [2021-11-02 22:14:49,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:49,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-02 22:14:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:49,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:49,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:49,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:49,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:49,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:49,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:14:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:49,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:49,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:49,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 36 proven. 83 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-02 22:14:49,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:14:49,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415656148] [2021-11-02 22:14:49,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415656148] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:49,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427223957] [2021-11-02 22:14:49,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-02 22:14:49,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:14:49,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:49,527 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:14:49,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (160)] Waiting until timeout for monitored process [2021-11-02 22:14:50,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-02 22:14:50,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:14:50,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-02 22:14:50,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 112 proven. 69 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-11-02 22:14:50,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427223957] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:50,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:14:50,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13] total 17 [2021-11-02 22:14:50,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305532571] [2021-11-02 22:14:50,547 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:14:50,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:14:50,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-02 22:14:50,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-11-02 22:14:50,548 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) [2021-11-02 22:14:51,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:14:51,025 INFO L93 Difference]: Finished difference Result 216 states and 293 transitions. [2021-11-02 22:14:51,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-02 22:14:51,026 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 216 states and 293 transitions. [2021-11-02 22:14:51,060 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 41 [2021-11-02 22:14:51,064 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 216 states to 200 states and 266 transitions. [2021-11-02 22:14:51,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 133 [2021-11-02 22:14:51,065 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 133 [2021-11-02 22:14:51,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 200 states and 266 transitions. [2021-11-02 22:14:51,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:14:51,066 INFO L681 BuchiCegarLoop]: Abstraction has 200 states and 266 transitions. [2021-11-02 22:14:51,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states and 266 transitions. [2021-11-02 22:14:51,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 175. [2021-11-02 22:14:51,077 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) [2021-11-02 22:14:51,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 225 transitions. [2021-11-02 22:14:51,080 INFO L704 BuchiCegarLoop]: Abstraction has 175 states and 225 transitions. [2021-11-02 22:14:51,080 INFO L587 BuchiCegarLoop]: Abstraction has 175 states and 225 transitions. [2021-11-02 22:14:51,080 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-11-02 22:14:51,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 225 transitions. [2021-11-02 22:14:51,083 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2021-11-02 22:14:51,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:14:51,083 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:14:51,085 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] [2021-11-02 22:14:51,085 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [14, 13, 9, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4] [2021-11-02 22:14:51,086 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 [2021-11-02 22:14:51,086 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 [2021-11-02 22:14:51,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:51,087 INFO L85 PathProgramCache]: Analyzing trace with hash 2095171192, now seen corresponding path program 6 times [2021-11-02 22:14:51,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:51,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000093112] [2021-11-02 22:14:51,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:51,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:51,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-02 22:14:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:51,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:51,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:51,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:51,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:51,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:51,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:14:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:51,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:51,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:51,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:51,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:51,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:14:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:51,474 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 139 proven. 101 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-02 22:14:51,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:14:51,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000093112] [2021-11-02 22:14:51,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000093112] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:51,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170571045] [2021-11-02 22:14:51,476 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-02 22:14:51,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:14:51,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:51,483 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:14:51,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Waiting until timeout for monitored process [2021-11-02 22:14:52,339 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-11-02 22:14:52,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:14:52,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-02 22:14:52,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:52,649 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 125 proven. 109 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-02 22:14:52,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170571045] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:52,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:14:52,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 18 [2021-11-02 22:14:52,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34146816] [2021-11-02 22:14:52,650 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:14:52,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:52,650 INFO L85 PathProgramCache]: Analyzing trace with hash -869926651, now seen corresponding path program 4 times [2021-11-02 22:14:52,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:52,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194852935] [2021-11-02 22:14:52,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:52,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:52,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-02 22:14:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:52,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:52,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:52,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:52,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:52,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:14:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:52,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:52,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:52,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:14:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:53,014 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 143 proven. 101 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-02 22:14:53,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:14:53,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194852935] [2021-11-02 22:14:53,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194852935] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:53,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607212303] [2021-11-02 22:14:53,015 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-02 22:14:53,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:14:53,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:53,020 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:14:53,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (162)] Waiting until timeout for monitored process [2021-11-02 22:14:53,936 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-02 22:14:53,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:14:53,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-02 22:14:53,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:54,335 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 129 proven. 109 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-02 22:14:54,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607212303] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:54,336 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:14:54,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 18 [2021-11-02 22:14:54,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617569648] [2021-11-02 22:14:54,338 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:14:54,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:14:54,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-02 22:14:54,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-11-02 22:14:54,340 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) [2021-11-02 22:14:55,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:14:55,105 INFO L93 Difference]: Finished difference Result 221 states and 305 transitions. [2021-11-02 22:14:55,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-02 22:14:55,106 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 221 states and 305 transitions. [2021-11-02 22:14:55,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 40 [2021-11-02 22:14:55,117 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 221 states to 205 states and 279 transitions. [2021-11-02 22:14:55,117 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 146 [2021-11-02 22:14:55,118 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 146 [2021-11-02 22:14:55,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 205 states and 279 transitions. [2021-11-02 22:14:55,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:14:55,118 INFO L681 BuchiCegarLoop]: Abstraction has 205 states and 279 transitions. [2021-11-02 22:14:55,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states and 279 transitions. [2021-11-02 22:14:55,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 187. [2021-11-02 22:14:55,129 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) [2021-11-02 22:14:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 246 transitions. [2021-11-02 22:14:55,132 INFO L704 BuchiCegarLoop]: Abstraction has 187 states and 246 transitions. [2021-11-02 22:14:55,132 INFO L587 BuchiCegarLoop]: Abstraction has 187 states and 246 transitions. [2021-11-02 22:14:55,132 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-11-02 22:14:55,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states and 246 transitions. [2021-11-02 22:14:55,135 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 36 [2021-11-02 22:14:55,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:14:55,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:14:55,139 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] [2021-11-02 22:14:55,140 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [59, 58, 35, 24, 24, 24, 24, 24, 23, 23, 11, 11, 11, 11] [2021-11-02 22:14:55,140 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 [2021-11-02 22:14:55,141 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 [2021-11-02 22:14:55,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:55,143 INFO L85 PathProgramCache]: Analyzing trace with hash 478890302, now seen corresponding path program 7 times [2021-11-02 22:14:55,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:55,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840416563] [2021-11-02 22:14:55,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:55,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:55,177 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:14:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:14:55,215 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:14:55,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:14:55,215 INFO L85 PathProgramCache]: Analyzing trace with hash 888511461, now seen corresponding path program 5 times [2021-11-02 22:14:55,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:14:55,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224993670] [2021-11-02 22:14:55,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:14:55,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:14:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:55,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-02 22:14:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:14:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:14:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:14:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-02 22:14:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:14:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:14:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:14:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-02 22:14:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:14:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:14:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:56,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-02 22:14:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:14:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:14:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-02 22:14:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:14:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:14:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:14:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:14:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:14:57,088 INFO L134 CoverageAnalysis]: Checked inductivity of 8238 backedges. 1382 proven. 1901 refuted. 0 times theorem prover too weak. 4955 trivial. 0 not checked. [2021-11-02 22:14:57,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:14:57,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224993670] [2021-11-02 22:14:57,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224993670] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:57,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909427578] [2021-11-02 22:14:57,089 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-02 22:14:57,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:14:57,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:14:57,095 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:14:57,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (163)] Waiting until timeout for monitored process [2021-11-02 22:14:57,972 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-11-02 22:14:57,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:14:57,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-02 22:14:57,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:14:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 8238 backedges. 787 proven. 1614 refuted. 0 times theorem prover too weak. 5837 trivial. 0 not checked. [2021-11-02 22:14:59,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909427578] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:14:59,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:14:59,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 21] total 35 [2021-11-02 22:14:59,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548838335] [2021-11-02 22:14:59,474 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:14:59,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:14:59,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-02 22:14:59,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1076, Unknown=0, NotChecked=0, Total=1190 [2021-11-02 22:14:59,476 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) [2021-11-02 22:15:03,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:15:03,717 INFO L93 Difference]: Finished difference Result 343 states and 494 transitions. [2021-11-02 22:15:03,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-02 22:15:03,718 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 343 states and 494 transitions. [2021-11-02 22:15:03,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 57 [2021-11-02 22:15:03,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 343 states to 308 states and 429 transitions. [2021-11-02 22:15:03,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 229 [2021-11-02 22:15:03,736 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 232 [2021-11-02 22:15:03,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 308 states and 429 transitions. [2021-11-02 22:15:03,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:15:03,736 INFO L681 BuchiCegarLoop]: Abstraction has 308 states and 429 transitions. [2021-11-02 22:15:03,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states and 429 transitions. [2021-11-02 22:15:03,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 260. [2021-11-02 22:15:03,750 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) [2021-11-02 22:15:03,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 343 transitions. [2021-11-02 22:15:03,753 INFO L704 BuchiCegarLoop]: Abstraction has 260 states and 343 transitions. [2021-11-02 22:15:03,754 INFO L587 BuchiCegarLoop]: Abstraction has 260 states and 343 transitions. [2021-11-02 22:15:03,754 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-11-02 22:15:03,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 343 transitions. [2021-11-02 22:15:03,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 41 [2021-11-02 22:15:03,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:15:03,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:15:03,788 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [67, 66, 39, 28, 28, 28, 28, 27, 27, 27, 11, 11, 11, 11, 1, 1, 1, 1, 1] [2021-11-02 22:15:03,789 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [334, 333, 190, 144, 144, 144, 144, 144, 143, 143, 46, 46, 46, 46] [2021-11-02 22:15:03,791 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; 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; 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; 14511#ackermannFINAL assume true; 14506#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; 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; 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; 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; 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; 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; 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 [2021-11-02 22:15:03,795 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; 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; 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; 14511#ackermannFINAL assume true; 14506#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; 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; 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; 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; 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; 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; 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; 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; 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; 14511#ackermannFINAL assume true; 14506#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; 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; 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; 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; 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; 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; 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; 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; 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; 14511#ackermannFINAL assume true; 14506#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; 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; 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; 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; 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; 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; 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; 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; 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; 14511#ackermannFINAL assume true; 14506#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; 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; 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; 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; 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; 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; 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; 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; 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; 14511#ackermannFINAL assume true; 14506#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; 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; 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; 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; 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; 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; 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; 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; 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; 14511#ackermannFINAL assume true; 14506#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; 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; 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; 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; 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; 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; 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 [2021-11-02 22:15:03,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:15:03,798 INFO L85 PathProgramCache]: Analyzing trace with hash -358725784, now seen corresponding path program 8 times [2021-11-02 22:15:03,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:15:03,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263136836] [2021-11-02 22:15:03,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:15:03,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:15:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:04,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-02 22:15:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:04,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:04,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:15:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-02 22:15:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:05,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:15:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-02 22:15:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-02 22:15:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-02 22:15:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 10643 backedges. 1002 proven. 2417 refuted. 0 times theorem prover too weak. 7224 trivial. 0 not checked. [2021-11-02 22:15:06,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:15:06,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263136836] [2021-11-02 22:15:06,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263136836] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:15:06,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908310372] [2021-11-02 22:15:06,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 22:15:06,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:15:06,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:15:06,352 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:15:06,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (164)] Waiting until timeout for monitored process [2021-11-02 22:15:07,397 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-02 22:15:07,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:15:07,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-02 22:15:07,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:15:08,717 INFO L134 CoverageAnalysis]: Checked inductivity of 10643 backedges. 372 proven. 1768 refuted. 0 times theorem prover too weak. 8503 trivial. 0 not checked. [2021-11-02 22:15:08,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908310372] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:15:08,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:15:08,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 10] total 34 [2021-11-02 22:15:08,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092701206] [2021-11-02 22:15:08,719 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:15:08,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:15:08,720 INFO L85 PathProgramCache]: Analyzing trace with hash 853391365, now seen corresponding path program 6 times [2021-11-02 22:15:08,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:15:08,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604386251] [2021-11-02 22:15:08,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:15:08,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:15:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:13,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-02 22:15:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:15,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:15:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-02 22:15:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:16,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:15:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-02 22:15:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-02 22:15:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-02 22:15:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-02 22:15:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:19,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:20,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:20,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:20,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:20,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:20,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:20,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:20,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:20,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:20,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:20,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:15:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:20,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-02 22:15:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:15:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-02 22:15:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-02 22:15:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-02 22:15:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-02 22:15:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:15:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-02 22:15:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-02 22:15:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-02 22:15:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2021-11-02 22:15:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:21,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:15:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-02 22:15:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-02 22:15:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-02 22:15:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2021-11-02 22:15:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:15:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-02 22:15:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-02 22:15:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-02 22:15:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:22,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1327 [2021-11-02 22:15:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-02 22:15:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-02 22:15:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-02 22:15:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-02 22:15:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-02 22:15:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-02 22:15:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-02 22:15:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-02 22:15:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-02 22:15:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:15:23,423 INFO L134 CoverageAnalysis]: Checked inductivity of 272548 backedges. 1923 proven. 16966 refuted. 0 times theorem prover too weak. 253659 trivial. 0 not checked. [2021-11-02 22:15:23,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:15:23,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604386251] [2021-11-02 22:15:23,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604386251] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:15:23,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912310180] [2021-11-02 22:15:23,425 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-02 22:15:23,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:15:23,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:15:23,431 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:15:23,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (165)] Waiting until timeout for monitored process [2021-11-02 22:15:24,761 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2021-11-02 22:15:24,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:15:24,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-02 22:15:24,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:15:30,233 INFO L134 CoverageAnalysis]: Checked inductivity of 272548 backedges. 65003 proven. 423 refuted. 0 times theorem prover too weak. 207122 trivial. 0 not checked. [2021-11-02 22:15:30,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912310180] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:15:30,234 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:15:30,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 29 [2021-11-02 22:15:30,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288348517] [2021-11-02 22:15:30,240 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 22:15:30,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:15:30,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-02 22:15:30,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1013, Unknown=0, NotChecked=0, Total=1122 [2021-11-02 22:15:30,242 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) [2021-11-02 22:15:34,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:15:34,384 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2021-11-02 22:15:34,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-02 22:15:34,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 241 transitions. [2021-11-02 22:15:34,389 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:15:34,390 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 0 states and 0 transitions. [2021-11-02 22:15:34,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-02 22:15:34,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-02 22:15:34,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-02 22:15:34,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:15:34,390 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:15:34,391 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:15:34,391 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:15:34,391 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-11-02 22:15:34,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-02 22:15:34,391 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:15:34,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-02 22:15:34,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 10:15:34 BoogieIcfgContainer [2021-11-02 22:15:34,400 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-02 22:15:34,401 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:15:34,401 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:15:34,402 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:15:34,402 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:13:56" (3/4) ... [2021-11-02 22:15:34,409 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 22:15:34,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:15:34,411 INFO L168 Benchmark]: Toolchain (without parser) took 98517.50 ms. Allocated memory was 130.0 MB in the beginning and 866.1 MB in the end (delta: 736.1 MB). Free memory was 92.0 MB in the beginning and 452.1 MB in the end (delta: -360.1 MB). Peak memory consumption was 375.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:15:34,412 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 130.0 MB. Free memory was 109.0 MB in the beginning and 108.9 MB in the end (delta: 119.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:15:34,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.33 ms. Allocated memory is still 130.0 MB. Free memory was 91.9 MB in the beginning and 105.3 MB in the end (delta: -13.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:15:34,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.62 ms. Allocated memory is still 130.0 MB. Free memory was 105.3 MB in the beginning and 103.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:15:34,414 INFO L168 Benchmark]: Boogie Preprocessor took 25.37 ms. Allocated memory is still 130.0 MB. Free memory was 103.8 MB in the beginning and 103.2 MB in the end (delta: 569.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:15:34,415 INFO L168 Benchmark]: RCFGBuilder took 472.66 ms. Allocated memory is still 130.0 MB. Free memory was 103.2 MB in the beginning and 93.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-02 22:15:34,415 INFO L168 Benchmark]: BuchiAutomizer took 97626.10 ms. Allocated memory was 130.0 MB in the beginning and 866.1 MB in the end (delta: 736.1 MB). Free memory was 93.3 MB in the beginning and 453.2 MB in the end (delta: -359.9 MB). Peak memory consumption was 378.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:15:34,416 INFO L168 Benchmark]: Witness Printer took 8.35 ms. Allocated memory is still 866.1 MB. Free memory was 453.2 MB in the beginning and 452.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:15:34,419 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 130.0 MB. Free memory was 109.0 MB in the beginning and 108.9 MB in the end (delta: 119.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 333.33 ms. Allocated memory is still 130.0 MB. Free memory was 91.9 MB in the beginning and 105.3 MB in the end (delta: -13.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.62 ms. Allocated memory is still 130.0 MB. Free memory was 105.3 MB in the beginning and 103.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.37 ms. Allocated memory is still 130.0 MB. Free memory was 103.8 MB in the beginning and 103.2 MB in the end (delta: 569.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 472.66 ms. Allocated memory is still 130.0 MB. Free memory was 103.2 MB in the beginning and 93.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 97626.10 ms. Allocated memory was 130.0 MB in the beginning and 866.1 MB in the end (delta: 736.1 MB). Free memory was 93.3 MB in the beginning and 453.2 MB in the end (delta: -359.9 MB). Peak memory consumption was 378.4 MB. Max. memory is 16.1 GB. * Witness Printer took 8.35 ms. Allocated memory is still 866.1 MB. Free memory was 453.2 MB in the beginning and 452.1 MB in the end (delta: 1.0 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 97.5s and 16 iterations. TraceHistogramMax:334. Analysis of lassos took 73.6s. Construction of modules took 4.4s. Büchi inclusion checks took 18.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 15. Automata minimization 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 199 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.2s 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, 728 SDslu, 1171 SDs, 0 SdLazy, 4351 SolverSat, 1797 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s 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: 82ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 41 LassoNonterminationAnalysisSatUnbounded: 6 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 15.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-02 22:15:34,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (165)] Forceful destruction successful, exit code 0 [2021-11-02 22:15:34,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (164)] Forceful destruction successful, exit code 0 [2021-11-02 22:15:34,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (163)] Forceful destruction successful, exit code 0 [2021-11-02 22:15:35,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (162)] Forceful destruction successful, exit code 0 [2021-11-02 22:15:35,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Ended with exit code 0 [2021-11-02 22:15:35,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (160)] Forceful destruction successful, exit code 0 [2021-11-02 22:15:35,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (159)] Ended with exit code 0 [2021-11-02 22:15:35,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (144)] Ended with exit code 0 [2021-11-02 22:15:36,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (143)] Ended with exit code 0 [2021-11-02 22:15:36,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (142)] Ended with exit code 0 [2021-11-02 22:15:36,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (134)] Ended with exit code 0 [2021-11-02 22:15:36,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Forceful destruction successful, exit code 0 [2021-11-02 22:15:36,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1e5dd5-6388-46e1-b1db-bdc6c3cc0aa6/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE