./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Ackermann02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg --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 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:42:09,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:42:09,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:42:09,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:42:09,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:42:09,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:42:09,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:42:09,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:42:09,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:42:09,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:42:09,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:42:09,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:42:09,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:42:09,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:42:09,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:42:09,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:42:09,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:42:09,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:42:09,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:42:09,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:42:09,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:42:09,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:42:09,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:42:09,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:42:09,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:42:09,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:42:09,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:42:09,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:42:09,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:42:09,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:42:09,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:42:09,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:42:09,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:42:09,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:42:09,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:42:09,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:42:09,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:42:09,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:42:09,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:42:09,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:42:09,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:42:09,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:42:09,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:42:09,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:42:09,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:42:09,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:42:09,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:42:09,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:42:09,471 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:42:09,471 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:42:09,471 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:42:09,471 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:42:09,472 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:42:09,473 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:42:09,473 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:42:09,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:42:09,473 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:42:09,473 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:42:09,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:42:09,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:42:09,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:42:09,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:42:09,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:42:09,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:42:09,475 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:42:09,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:42:09,475 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:42:09,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:42:09,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:42:09,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:42:09,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:42:09,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:42:09,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:42:09,478 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:42:09,479 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:42:09,479 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_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20c02b81d1b1bc312ccc75d6e9b31c6252d69e8a6e2560afe3a2a95a3e53102a [2021-10-28 09:42:09,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:42:09,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:42:09,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:42:09,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:42:09,754 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:42:09,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/recursive/Ackermann02.c [2021-10-28 09:42:09,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/data/95fe589fd/e07b1093251648f28fc959d687f57029/FLAG51b27e1fa [2021-10-28 09:42:10,416 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:42:10,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/sv-benchmarks/c/recursive/Ackermann02.c [2021-10-28 09:42:10,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/data/95fe589fd/e07b1093251648f28fc959d687f57029/FLAG51b27e1fa [2021-10-28 09:42:10,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/data/95fe589fd/e07b1093251648f28fc959d687f57029 [2021-10-28 09:42:10,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:42:10,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:42:10,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:42:10,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:42:10,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:42:10,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:42:10" (1/1) ... [2021-10-28 09:42:10,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602adc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:10, skipping insertion in model container [2021-10-28 09:42:10,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:42:10" (1/1) ... [2021-10-28 09:42:10,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:42:10,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:42:11,054 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_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/sv-benchmarks/c/recursive/Ackermann02.c[1157,1170] [2021-10-28 09:42:11,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:42:11,068 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:42:11,104 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_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/sv-benchmarks/c/recursive/Ackermann02.c[1157,1170] [2021-10-28 09:42:11,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:42:11,127 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:42:11,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:11 WrapperNode [2021-10-28 09:42:11,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:42:11,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:42:11,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:42:11,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:42:11,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:11" (1/1) ... [2021-10-28 09:42:11,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:11" (1/1) ... [2021-10-28 09:42:11,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:42:11,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:42:11,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:42:11,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:42:11,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:11" (1/1) ... [2021-10-28 09:42:11,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:11" (1/1) ... [2021-10-28 09:42:11,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:11" (1/1) ... [2021-10-28 09:42:11,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:11" (1/1) ... [2021-10-28 09:42:11,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:11" (1/1) ... [2021-10-28 09:42:11,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:11" (1/1) ... [2021-10-28 09:42:11,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:11" (1/1) ... [2021-10-28 09:42:11,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:42:11,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:42:11,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:42:11,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:42:11,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:11" (1/1) ... [2021-10-28 09:42:11,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:11,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:11,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:11,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:42:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:42:11,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:42:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2021-10-28 09:42:11,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2021-10-28 09:42:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:42:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:42:11,555 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:42:11,556 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 09:42:11,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:42:11 BoogieIcfgContainer [2021-10-28 09:42:11,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:42:11,559 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:42:11,559 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:42:11,563 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:42:11,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:42:11,564 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:42:10" (1/3) ... [2021-10-28 09:42:11,565 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e107f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:42:11, skipping insertion in model container [2021-10-28 09:42:11,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:42:11,566 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:11" (2/3) ... [2021-10-28 09:42:11,566 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e107f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:42:11, skipping insertion in model container [2021-10-28 09:42:11,566 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:42:11,566 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:42:11" (3/3) ... [2021-10-28 09:42:11,568 INFO L389 chiAutomizerObserver]: Analyzing ICFG Ackermann02.c [2021-10-28 09:42:11,614 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:42:11,614 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:42:11,615 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:42:11,615 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:42:11,615 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:42:11,615 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:42:11,615 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:42:11,615 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:42:11,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-28 09:42:11,672 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:42:11,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:11,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:11,679 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 09:42:11,679 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:42:11,680 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:42:11,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-28 09:42:11,684 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:42:11,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:11,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:11,686 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 09:42:11,686 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:42:11,693 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 9#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 8#L29true assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 22#L35true assume !(main_~n~0 < 0 || main_~n~0 > 23); 16#L41true call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 6#ackermannENTRYtrue [2021-10-28 09:42:11,694 INFO L793 eck$LassoCheckResult]: Loop: 6#ackermannENTRYtrue ~m := #in~m;~n := #in~n; 13#L17true assume !(0 == ~m); 14#L20true assume 0 == ~n; 17#L21true call #t~ret7 := ackermann(~m - 1, 1);< 6#ackermannENTRYtrue [2021-10-28 09:42:11,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:11,700 INFO L85 PathProgramCache]: Analyzing trace with hash 28695872, now seen corresponding path program 1 times [2021-10-28 09:42:11,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:11,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240504563] [2021-10-28 09:42:11,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:11,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:11,815 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:11,887 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:11,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:11,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1697199, now seen corresponding path program 1 times [2021-10-28 09:42:11,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:11,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886823392] [2021-10-28 09:42:11,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:11,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:11,915 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:11,928 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:11,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:11,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1292962670, now seen corresponding path program 1 times [2021-10-28 09:42:11,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:11,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358276099] [2021-10-28 09:42:11,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:11,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:11,978 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:12,011 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:12,214 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:12,214 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:12,215 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:12,215 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:12,215 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:42:12,215 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:12,215 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:12,216 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:12,216 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration1_Loop [2021-10-28 09:42:12,216 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:12,217 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:12,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,395 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:12,396 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:42:12,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:12,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:12,406 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:12,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:42:12,413 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:12,414 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:12,439 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:12,439 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~m=0} Honda state: {ackermann_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:12,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:12,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:12,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:12,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:12,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:42:12,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:12,467 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:12,498 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:12,498 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:12,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:12,532 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:12,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:12,534 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:12,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:12,543 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:12,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:42:12,570 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:12,570 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:12,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:12,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:12,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:12,599 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:12,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:42:12,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:12,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:12,630 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:12,630 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0} Honda state: {ackermann_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:12,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:12,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:12,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:12,666 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:12,678 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:12,678 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:12,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:42:12,690 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:12,690 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:12,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:12,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:12,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:12,711 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:12,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:42:12,713 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:12,713 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:12,722 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:12,722 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:12,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:12,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:12,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:12,743 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:12,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:42:12,749 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:12,749 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:12,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:12,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:12,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:12,786 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:12,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:42:12,793 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:42:12,793 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:12,833 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:42:12,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:12,869 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:12,870 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:12,870 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:12,870 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:12,870 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:42:12,870 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:12,870 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:12,870 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:12,870 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration1_Loop [2021-10-28 09:42:12,870 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:12,870 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:12,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:12,988 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:12,992 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:42:12,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:12,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:12,994 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:13,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:13,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:42:13,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:13,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:13,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:13,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:13,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:13,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:13,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:13,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:13,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:13,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:13,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:13,052 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:13,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:42:13,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:13,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:13,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:13,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:13,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:13,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:13,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:13,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:13,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:13,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:13,106 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:13,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:13,107 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:13,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:42:13,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:13,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:13,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:13,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:13,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:13,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:13,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:13,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:13,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:13,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:13,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:13,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:13,155 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:13,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:42:13,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:13,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:13,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:13,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:13,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:13,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:13,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:13,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:13,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:13,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:13,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:13,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:13,192 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:13,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:42:13,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:13,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:13,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:13,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:13,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:13,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:13,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:13,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:13,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:13,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:13,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:13,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:13,255 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:13,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:42:13,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:13,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:13,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:13,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:13,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:13,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:13,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:13,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:13,273 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:42:13,276 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:42:13,276 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:42:13,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:13,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:13,278 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:13,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:42:13,280 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:42:13,280 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:42:13,280 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:42:13,281 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_#in~n) = -2*ackermann_#in~n + 1 Supporting invariants [] [2021-10-28 09:42:13,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:13,302 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:42:13,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:13,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:42:13,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:13,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:42:13,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:13,437 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:42:13,438 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:13,533 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4). Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 65 transitions. Complement of second has 12 states. [2021-10-28 09:42:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:42:13,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:13,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-10-28 09:42:13,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-28 09:42:13,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:13,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 4 letters. [2021-10-28 09:42:13,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:13,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 8 letters. [2021-10-28 09:42:13,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:13,540 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 65 transitions. [2021-10-28 09:42:13,545 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:42:13,552 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 29 states and 37 transitions. [2021-10-28 09:42:13,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-28 09:42:13,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-10-28 09:42:13,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2021-10-28 09:42:13,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:13,554 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-10-28 09:42:13,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2021-10-28 09:42:13,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 22. [2021-10-28 09:42:13,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-28 09:42:13,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-10-28 09:42:13,583 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-10-28 09:42:13,583 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-10-28 09:42:13,583 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:42:13,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-10-28 09:42:13,584 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:42:13,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:13,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:13,585 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:13,585 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:42:13,585 INFO L791 eck$LassoCheckResult]: Stem: 133#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 134#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 146#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 147#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 136#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 135#ackermannENTRY ~m := #in~m;~n := #in~n; 138#L17 assume !(0 == ~m); 151#L20 assume !(0 == ~n); 142#L23 [2021-10-28 09:42:13,585 INFO L793 eck$LassoCheckResult]: Loop: 142#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 150#ackermannENTRY ~m := #in~m;~n := #in~n; 153#L17 assume !(0 == ~m); 154#L20 assume !(0 == ~n); 142#L23 [2021-10-28 09:42:13,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:13,586 INFO L85 PathProgramCache]: Analyzing trace with hash 180255807, now seen corresponding path program 1 times [2021-10-28 09:42:13,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:13,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626834195] [2021-10-28 09:42:13,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:13,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:13,601 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:13,617 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:13,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:13,617 INFO L85 PathProgramCache]: Analyzing trace with hash 2259284, now seen corresponding path program 1 times [2021-10-28 09:42:13,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:13,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049418747] [2021-10-28 09:42:13,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:13,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:13,622 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:13,626 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:13,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:13,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1387046546, now seen corresponding path program 1 times [2021-10-28 09:42:13,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:13,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032081971] [2021-10-28 09:42:13,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:13,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:13,675 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:13,693 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:13,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:13,806 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:13,806 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:13,806 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:13,807 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:13,807 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:42:13,807 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:13,807 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:13,807 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:13,807 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration2_Loop [2021-10-28 09:42:13,807 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:13,807 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:13,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:13,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:13,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:13,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:13,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:13,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:13,922 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:13,922 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:42:13,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:13,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:13,923 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:13,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:42:13,939 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:13,939 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:13,967 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:13,967 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=7, ackermann_~m=7} Honda state: {ackermann_#in~m=7, ackermann_~m=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:13,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:14,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:14,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:14,003 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:14,013 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:14,013 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:14,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:42:14,034 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:14,034 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:14,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:14,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:14,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:14,071 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:14,079 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:14,079 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:14,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:42:14,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:14,151 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:14,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:14,152 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:14,163 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:42:14,163 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:14,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:42:17,520 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:17,520 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=-1, ackermann_#in~n=1} Honda state: {ackermann_~n=-1, ackermann_#in~n=1} Generalized eigenvectors: [{ackermann_~n=-1, ackermann_#in~n=7}, {ackermann_~n=0, ackermann_#in~n=-8}, {ackermann_~n=0, ackermann_#in~n=-2}] Lambdas: [1, 0, 0] Nus: [1, 0] [2021-10-28 09:42:17,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:17,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:17,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:17,554 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:17,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:42:17,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:17,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:17,565 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:17,566 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:17,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:17,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:17,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:17,588 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:17,590 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:17,590 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:17,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:42:17,605 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:17,606 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:17,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-28 09:42:17,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:17,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:17,625 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:17,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:42:17,627 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:17,627 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:17,635 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:17,635 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:17,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:18,377 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:18,377 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:18,378 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:18,378 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:18,378 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:42:18,378 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:18,378 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:18,378 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:18,378 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration2_Lasso [2021-10-28 09:42:18,378 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:18,378 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:18,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:18,810 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:18,810 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:42:18,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:18,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:18,813 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:18,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:42:18,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:18,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:18,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:18,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:18,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:18,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:18,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:18,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:18,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:18,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:18,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:18,891 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:18,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:42:18,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:18,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:18,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:18,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:18,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:18,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:18,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:18,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:18,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:18,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-28 09:42:18,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:18,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:18,926 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:18,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:42:18,927 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 [2021-10-28 09:42:18,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:18,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:18,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:18,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:18,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:18,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:18,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:18,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:18,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:18,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:18,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:18,983 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:18,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:42:18,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:18,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:18,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:18,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:18,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:18,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:18,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:18,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:18,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,015 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:42:19,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,051 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:42:19,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-28 09:42:19,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,109 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,127 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:19,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:19,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:42:19,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,188 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,199 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:42:19,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:42:19,213 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-28 09:42:19,213 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 09:42:19,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-28 09:42:19,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,265 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:19,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:19,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:19,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:19,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:42:19,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:19,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-28 09:42:19,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,303 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:42:19,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:19,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:19,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:19,313 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:42:19,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:19,324 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-28 09:42:19,324 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 09:42:19,349 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:42:19,375 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-28 09:42:19,375 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-10-28 09:42:19,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:19,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:19,377 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:19,386 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:42:19,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:42:19,414 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-10-28 09:42:19,414 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:42:19,414 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~n) = 1*ackermann_~n Supporting invariants [2*ackermann_~n - 1 >= 0] [2021-10-28 09:42:19,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,491 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-28 09:42:19,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:19,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:19,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:42:19,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:19,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:19,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:19,701 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2021-10-28 09:42:19,701 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 8 Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:19,783 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 8. Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 45 transitions. Complement of second has 12 states. [2021-10-28 09:42:19,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:42:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2021-10-28 09:42:19,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 12 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-28 09:42:19,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:19,785 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:19,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:19,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:42:19,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:19,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:19,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:19,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:19,982 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 3 loop predicates [2021-10-28 09:42:19,982 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 8 Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:20,088 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 8. Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 67 transitions. Complement of second has 20 states. [2021-10-28 09:42:20,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:42:20,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:20,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 18 transitions. [2021-10-28 09:42:20,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-28 09:42:20,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:20,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 12 letters. Loop has 4 letters. [2021-10-28 09:42:20,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:20,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 8 letters. Loop has 8 letters. [2021-10-28 09:42:20,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:20,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 67 transitions. [2021-10-28 09:42:20,094 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:42:20,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 42 states and 59 transitions. [2021-10-28 09:42:20,097 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-10-28 09:42:20,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-10-28 09:42:20,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 59 transitions. [2021-10-28 09:42:20,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:20,098 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 59 transitions. [2021-10-28 09:42:20,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 59 transitions. [2021-10-28 09:42:20,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 33. [2021-10-28 09:42:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 8 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-28 09:42:20,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-28 09:42:20,110 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-28 09:42:20,110 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-28 09:42:20,110 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:42:20,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 45 transitions. [2021-10-28 09:42:20,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:42:20,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:20,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:20,115 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:20,115 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:42:20,115 INFO L791 eck$LassoCheckResult]: Stem: 420#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 421#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 432#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 433#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 423#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 422#ackermannENTRY ~m := #in~m;~n := #in~n; 425#L17 assume !(0 == ~m); 440#L20 assume !(0 == ~n); 429#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 446#ackermannENTRY ~m := #in~m;~n := #in~n; 452#L17 assume !(0 == ~m); 436#L20 assume 0 == ~n; 437#L21 [2021-10-28 09:42:20,115 INFO L793 eck$LassoCheckResult]: Loop: 437#L21 call #t~ret7 := ackermann(~m - 1, 1);< 439#ackermannENTRY ~m := #in~m;~n := #in~n; 450#L17 assume !(0 == ~m); 451#L20 assume 0 == ~n; 437#L21 [2021-10-28 09:42:20,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:20,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1387046543, now seen corresponding path program 1 times [2021-10-28 09:42:20,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:20,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464010346] [2021-10-28 09:42:20,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:20,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:20,141 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:20,179 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:20,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:20,180 INFO L85 PathProgramCache]: Analyzing trace with hash 2199699, now seen corresponding path program 2 times [2021-10-28 09:42:20,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:20,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117107978] [2021-10-28 09:42:20,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:20,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:20,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:20,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:20,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117107978] [2021-10-28 09:42:20,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117107978] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:20,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:20,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:42:20,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687439492] [2021-10-28 09:42:20,222 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:42:20,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:20,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:42:20,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:42:20,226 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. cyclomatic complexity: 15 Second operand has 4 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:20,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:20,261 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2021-10-28 09:42:20,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:42:20,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2021-10-28 09:42:20,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-10-28 09:42:20,265 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 45 states and 61 transitions. [2021-10-28 09:42:20,265 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2021-10-28 09:42:20,266 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-28 09:42:20,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 61 transitions. [2021-10-28 09:42:20,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:20,266 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 61 transitions. [2021-10-28 09:42:20,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 61 transitions. [2021-10-28 09:42:20,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2021-10-28 09:42:20,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 31 states have internal predecessors, (35), 11 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (11), 6 states have call predecessors, (11), 8 states have call successors, (11) [2021-10-28 09:42:20,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2021-10-28 09:42:20,272 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 60 transitions. [2021-10-28 09:42:20,273 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 60 transitions. [2021-10-28 09:42:20,273 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:42:20,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 60 transitions. [2021-10-28 09:42:20,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-10-28 09:42:20,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:20,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:20,275 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:20,275 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2021-10-28 09:42:20,275 INFO L791 eck$LassoCheckResult]: Stem: 509#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 510#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 521#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 522#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 531#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 532#ackermannENTRY ~m := #in~m;~n := #in~n; 546#L17 assume !(0 == ~m); 549#L20 assume !(0 == ~n); 516#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 538#ackermannENTRY ~m := #in~m;~n := #in~n; 551#L17 assume !(0 == ~m); 547#L20 assume 0 == ~n; 528#L21 [2021-10-28 09:42:20,275 INFO L793 eck$LassoCheckResult]: Loop: 528#L21 call #t~ret7 := ackermann(~m - 1, 1);< 540#ackermannENTRY ~m := #in~m;~n := #in~n; 544#L17 assume !(0 == ~m); 527#L20 assume !(0 == ~n); 529#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 530#ackermannENTRY ~m := #in~m;~n := #in~n; 552#L17 assume !(0 == ~m); 550#L20 assume 0 == ~n; 528#L21 [2021-10-28 09:42:20,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:20,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1387046543, now seen corresponding path program 2 times [2021-10-28 09:42:20,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:20,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444713987] [2021-10-28 09:42:20,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:20,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:20,289 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:20,305 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:20,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:20,306 INFO L85 PathProgramCache]: Analyzing trace with hash -47204506, now seen corresponding path program 1 times [2021-10-28 09:42:20,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:20,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643429035] [2021-10-28 09:42:20,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:20,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:20,312 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:20,318 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:20,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:20,318 INFO L85 PathProgramCache]: Analyzing trace with hash -2117341196, now seen corresponding path program 1 times [2021-10-28 09:42:20,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:20,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990150998] [2021-10-28 09:42:20,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:20,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:20,333 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:20,350 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:20,566 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:20,566 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:20,567 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:20,567 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:20,567 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:42:20,567 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,567 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:20,567 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:20,567 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration4_Loop [2021-10-28 09:42:20,567 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:20,567 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:20,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:20,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:20,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:20,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:20,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:20,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:20,648 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:20,648 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:42:20,648 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,649 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:42:20,657 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:20,658 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:20,682 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:20,682 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:20,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:20,709 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,710 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,711 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:20,711 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:20,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:42:20,719 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:20,719 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:20,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:20,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,739 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:42:20,741 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:20,741 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:20,749 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:20,749 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:20,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-28 09:42:20,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,769 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:42:20,772 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:20,772 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:20,787 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:20,787 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0, ackermann_#in~n=0} Honda state: {ackermann_~n=0, ackermann_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:20,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-28 09:42:20,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,807 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:42:20,809 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:20,809 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:20,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:20,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:20,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:20,845 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:20,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:42:20,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:42:20,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:21,114 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:21,114 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=6, ackermann_~m=-2} Honda state: {ackermann_#in~m=6, ackermann_~m=-2} Generalized eigenvectors: [{ackermann_#in~m=-8, ackermann_~m=0}, {ackermann_#in~m=0, ackermann_~m=0}, {ackermann_#in~m=-1, ackermann_~m=-1}] Lambdas: [0, 6, 1] Nus: [0, 0] [2021-10-28 09:42:21,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 09:42:21,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:21,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:21,135 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:21,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:42:21,136 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:21,137 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:21,144 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:21,144 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:21,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:21,978 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:21,978 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:21,978 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:21,978 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:21,978 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:42:21,978 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:21,978 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:21,979 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:21,979 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration4_Lasso [2021-10-28 09:42:21,979 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:21,979 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:21,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:21,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:21,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:21,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:22,377 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:22,378 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:42:22,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,379 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:22,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:42:22,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:22,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:22,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:22,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:22,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,456 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:22,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:22,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:22,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:22,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:42:22,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:22,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:22,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,517 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:42:22,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:22,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:22,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:22,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:22,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:22,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,579 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:42:22,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:22,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:22,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:22,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:22,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:22,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:22,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,614 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:42:22,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:22,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:22,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:22,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:22,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:22,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:22,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,645 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:42:22,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:22,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:22,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:22,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:22,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-28 09:42:22,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,678 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 09:42:22,680 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 [2021-10-28 09:42:22,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:22,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:22,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:22,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-28 09:42:22,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,723 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:42:22,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:22,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:22,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:22,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:22,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-28 09:42:22,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,770 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:22,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:42:22,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:22,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:22,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:22,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:22,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,811 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:42:22,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:22,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:22,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:22,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:22,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:22,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,848 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 09:42:22,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:22,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:22,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:22,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:22,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:22,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,879 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 09:42:22,880 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 [2021-10-28 09:42:22,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:22,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:22,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:22,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:22,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,911 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 09:42:22,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:22,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:22,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:22,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:22,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:22,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,950 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 09:42:22,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:22,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:22,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:22,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:22,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:22,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:22,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:22,984 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:22,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 09:42:22,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:22,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:22,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:22,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:22,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:22,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:22,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:22,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-28 09:42:23,015 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,016 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 09:42:23,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:23,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:23,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-28 09:42:23,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,085 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 09:42:23,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 09:42:23,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,116 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 09:42:23,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:23,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:23,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-28 09:42:23,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,150 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 09:42:23,151 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 [2021-10-28 09:42:23,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-28 09:42:23,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,182 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 09:42:23,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-28 09:42:23,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,212 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 09:42:23,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:23,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:23,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:23,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,244 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 09:42:23,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-28 09:42:23,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,279 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,280 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 [2021-10-28 09:42:23,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 09:42:23,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-28 09:42:23,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,311 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 09:42:23,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-28 09:42:23,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,343 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 09:42:23,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-28 09:42:23,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,373 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 09:42:23,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-28 09:42:23,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,403 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 09:42:23,405 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 [2021-10-28 09:42:23,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:23,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,433 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 09:42:23,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:23,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,463 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 09:42:23,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-28 09:42:23,513 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,513 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 09:42:23,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-28 09:42:23,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,546 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 09:42:23,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:23,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,618 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 09:42:23,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-28 09:42:23,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,652 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 09:42:23,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-28 09:42:23,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,719 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:23,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:23,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:23,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 09:42:23,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:23,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,786 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:23,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:23,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:23,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 09:42:23,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:23,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:23,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,842 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:23,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:23,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:23,859 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:42:23,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:23,866 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-28 09:42:23,866 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 09:42:23,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 09:42:23,889 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:42:23,911 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-28 09:42:23,912 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-10-28 09:42:23,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:23,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:23,912 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:23,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 09:42:23,913 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:42:23,922 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-10-28 09:42:23,923 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:42:23,923 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~m) = 1*ackermann_~m Supporting invariants [2*ackermann_~m - 1 >= 0] [2021-10-28 09:42:23,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-28 09:42:23,970 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-28 09:42:23,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:24,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:42:24,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:24,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 09:42:24,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:42:24,269 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 4 loop predicates [2021-10-28 09:42:24,270 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 60 transitions. cyclomatic complexity: 18 Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:24,381 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 60 transitions. cyclomatic complexity: 18. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 106 transitions. Complement of second has 14 states. [2021-10-28 09:42:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 09:42:24,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:24,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 21 transitions. [2021-10-28 09:42:24,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 21 transitions. Stem has 12 letters. Loop has 8 letters. [2021-10-28 09:42:24,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:24,383 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:24,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:24,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:42:24,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:24,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 09:42:24,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:42:24,676 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 4 loop predicates [2021-10-28 09:42:24,676 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 60 transitions. cyclomatic complexity: 18 Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:24,936 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 60 transitions. cyclomatic complexity: 18. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 151 states and 223 transitions. Complement of second has 31 states. [2021-10-28 09:42:24,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 5 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-28 09:42:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:24,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 34 transitions. [2021-10-28 09:42:24,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 34 transitions. Stem has 12 letters. Loop has 8 letters. [2021-10-28 09:42:24,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:24,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 34 transitions. Stem has 20 letters. Loop has 8 letters. [2021-10-28 09:42:24,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:24,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 34 transitions. Stem has 12 letters. Loop has 16 letters. [2021-10-28 09:42:24,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:24,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 223 transitions. [2021-10-28 09:42:24,946 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2021-10-28 09:42:24,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 115 states and 180 transitions. [2021-10-28 09:42:24,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76 [2021-10-28 09:42:24,966 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 78 [2021-10-28 09:42:24,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 180 transitions. [2021-10-28 09:42:24,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:24,966 INFO L681 BuchiCegarLoop]: Abstraction has 115 states and 180 transitions. [2021-10-28 09:42:24,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 180 transitions. [2021-10-28 09:42:24,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 110. [2021-10-28 09:42:24,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 72 states have (on average 1.1805555555555556) internal successors, (85), 76 states have internal predecessors, (85), 25 states have call successors, (36), 15 states have call predecessors, (36), 13 states have return successors, (54), 18 states have call predecessors, (54), 20 states have call successors, (54) [2021-10-28 09:42:24,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 175 transitions. [2021-10-28 09:42:24,992 INFO L704 BuchiCegarLoop]: Abstraction has 110 states and 175 transitions. [2021-10-28 09:42:24,992 INFO L587 BuchiCegarLoop]: Abstraction has 110 states and 175 transitions. [2021-10-28 09:42:24,992 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:42:24,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states and 175 transitions. [2021-10-28 09:42:24,995 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2021-10-28 09:42:24,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:24,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:24,999 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:25,000 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:42:25,000 INFO L791 eck$LassoCheckResult]: Stem: 1030#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1031#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 1049#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 1050#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 1066#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 1070#ackermannENTRY ~m := #in~m;~n := #in~n; 1098#L17 assume !(0 == ~m); 1099#L20 assume !(0 == ~n); 1034#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1032#ackermannENTRY ~m := #in~m;~n := #in~n; 1035#L17 assume 0 == ~m;#res := 1 + ~n; 1101#ackermannFINAL assume true; 1051#ackermannEXIT >#45#return; 1041#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 1067#ackermannENTRY [2021-10-28 09:42:25,000 INFO L793 eck$LassoCheckResult]: Loop: 1067#ackermannENTRY ~m := #in~m;~n := #in~n; 1138#L17 assume !(0 == ~m); 1137#L20 assume !(0 == ~n); 1042#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1067#ackermannENTRY [2021-10-28 09:42:25,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:25,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1511844440, now seen corresponding path program 1 times [2021-10-28 09:42:25,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:25,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893254376] [2021-10-28 09:42:25,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:25,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:25,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-10-28 09:42:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:42:25,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:25,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893254376] [2021-10-28 09:42:25,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893254376] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:25,087 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:25,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:42:25,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972288652] [2021-10-28 09:42:25,088 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:42:25,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:25,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1697294, now seen corresponding path program 2 times [2021-10-28 09:42:25,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:25,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175510818] [2021-10-28 09:42:25,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:25,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:25,094 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:25,097 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:25,163 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:25,163 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:25,163 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:25,164 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:25,164 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:42:25,164 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:25,164 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:25,164 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:25,164 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration5_Loop [2021-10-28 09:42:25,164 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:25,164 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:25,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:25,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:25,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:25,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:25,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:25,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:25,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:25,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:25,246 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:25,246 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:42:25,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:25,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:25,247 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:25,249 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:25,249 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:25,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 09:42:25,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-28 09:42:25,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:25,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:25,286 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:25,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 09:42:25,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:42:25,288 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:25,317 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:25,317 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~n=-4} Honda state: {ackermann_#in~n=-4} Generalized eigenvectors: [{ackermann_#in~n=0}, {ackermann_#in~n=-1}, {ackermann_#in~n=0}] Lambdas: [15, 1, 13] Nus: [0, 0] [2021-10-28 09:42:25,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-28 09:42:25,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:25,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:25,343 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:25,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 09:42:25,346 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:25,346 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:25,354 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:25,354 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~m=0} Honda state: {ackermann_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:25,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-28 09:42:25,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:25,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:25,375 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:25,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 09:42:25,376 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:25,376 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:25,385 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:25,385 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:25,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-28 09:42:25,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:25,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:25,405 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:25,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 09:42:25,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:25,407 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:25,415 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:25,415 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0} Honda state: {ackermann_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:25,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:25,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:25,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:25,436 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:25,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 09:42:25,437 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:25,437 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:25,445 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:25,445 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:25,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:25,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:25,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:25,465 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:25,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 09:42:25,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:25,467 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:25,475 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:25,475 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:25,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-28 09:42:25,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:25,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:25,496 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:25,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 09:42:25,498 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:25,498 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:25,509 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:25,509 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:25,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:25,530 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:25,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:25,530 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:25,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-28 09:42:25,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:25,532 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:25,545 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:25,545 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=4} Honda state: {ackermann_#in~m=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:25,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:25,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:25,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:42:25,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:42:25,567 INFO L87 Difference]: Start difference. First operand 110 states and 175 transitions. cyclomatic complexity: 71 Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 09:42:25,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:25,624 INFO L93 Difference]: Finished difference Result 82 states and 111 transitions. [2021-10-28 09:42:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:42:25,624 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 111 transitions. [2021-10-28 09:42:25,627 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2021-10-28 09:42:25,629 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 76 states and 105 transitions. [2021-10-28 09:42:25,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2021-10-28 09:42:25,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-10-28 09:42:25,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 76 states and 105 transitions. [2021-10-28 09:42:25,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:25,630 INFO L681 BuchiCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-10-28 09:42:25,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states and 105 transitions. [2021-10-28 09:42:25,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-10-28 09:42:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 53 states have (on average 1.1132075471698113) internal successors, (59), 56 states have internal predecessors, (59), 16 states have call successors, (22), 12 states have call predecessors, (22), 7 states have return successors, (24), 7 states have call predecessors, (24), 13 states have call successors, (24) [2021-10-28 09:42:25,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2021-10-28 09:42:25,639 INFO L704 BuchiCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-10-28 09:42:25,639 INFO L587 BuchiCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-10-28 09:42:25,639 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:42:25,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states and 105 transitions. [2021-10-28 09:42:25,641 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2021-10-28 09:42:25,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:25,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:25,642 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:25,642 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:42:25,642 INFO L791 eck$LassoCheckResult]: Stem: 1238#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1239#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 1253#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 1254#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 1259#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 1265#ackermannENTRY ~m := #in~m;~n := #in~n; 1301#L17 assume !(0 == ~m); 1299#L20 assume !(0 == ~n); 1272#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1284#ackermannENTRY ~m := #in~m;~n := #in~n; 1293#L17 assume !(0 == ~m); 1292#L20 assume 0 == ~n; 1244#L21 call #t~ret7 := ackermann(~m - 1, 1);< 1270#ackermannENTRY ~m := #in~m;~n := #in~n; 1305#L17 assume !(0 == ~m); 1294#L20 [2021-10-28 09:42:25,642 INFO L793 eck$LassoCheckResult]: Loop: 1294#L20 assume !(0 == ~n); 1241#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1240#ackermannENTRY ~m := #in~m;~n := #in~n; 1242#L17 assume !(0 == ~m); 1294#L20 [2021-10-28 09:42:25,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:25,643 INFO L85 PathProgramCache]: Analyzing trace with hash -376751137, now seen corresponding path program 2 times [2021-10-28 09:42:25,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:25,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757986684] [2021-10-28 09:42:25,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:25,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:25,655 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:25,670 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:25,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:25,671 INFO L85 PathProgramCache]: Analyzing trace with hash 2009294, now seen corresponding path program 3 times [2021-10-28 09:42:25,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:25,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793554866] [2021-10-28 09:42:25,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:25,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:25,676 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:25,679 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:25,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:25,680 INFO L85 PathProgramCache]: Analyzing trace with hash 2009908652, now seen corresponding path program 3 times [2021-10-28 09:42:25,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:25,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367501502] [2021-10-28 09:42:25,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:25,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:25,697 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:25,725 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:25,798 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:25,798 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:25,798 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:25,798 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:25,798 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:42:25,798 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:25,798 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:25,798 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:25,799 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration6_Loop [2021-10-28 09:42:25,799 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:25,799 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:25,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:25,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:25,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:25,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:25,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:25,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:25,887 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:25,887 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:42:25,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:25,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:25,889 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:25,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-28 09:42:25,893 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:25,894 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:25,902 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:25,902 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:25,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-28 09:42:25,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:25,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:25,923 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:25,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-28 09:42:25,924 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:25,924 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:25,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-28 09:42:25,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:25,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:25,984 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:25,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-28 09:42:25,986 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:42:25,986 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:26,026 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:26,027 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=-4, ackermann_#in~n=-5} Honda state: {ackermann_~n=-4, ackermann_#in~n=-5} Generalized eigenvectors: [{ackermann_~n=-1, ackermann_#in~n=5}, {ackermann_~n=0, ackermann_#in~n=-6}, {ackermann_~n=0, ackermann_#in~n=1}] Lambdas: [1, 0, 0] Nus: [1, 0] [2021-10-28 09:42:26,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:26,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:26,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:26,047 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:26,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-28 09:42:26,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:26,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:26,056 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:26,056 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:26,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:26,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:26,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:26,077 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:26,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-28 09:42:26,078 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:26,078 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:26,093 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:26,094 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:26,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:26,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:26,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:26,114 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:26,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 09:42:26,115 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:26,115 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:26,129 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:26,129 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=7, ackermann_~m=7} Honda state: {ackermann_#in~m=7, ackermann_~m=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:26,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:26,148 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:26,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:26,149 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:26,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-28 09:42:26,150 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:26,150 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:26,178 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:26,178 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:26,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-10-28 09:42:27,090 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:27,090 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:27,091 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:27,091 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:27,091 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:42:27,091 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,091 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:27,091 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:27,091 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration6_Lasso [2021-10-28 09:42:27,091 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:27,091 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:27,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:27,501 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:27,501 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:42:27,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,503 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,506 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 [2021-10-28 09:42:27,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:27,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:27,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:27,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:27,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:27,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:27,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:27,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-28 09:42:27,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:27,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-10-28 09:42:27,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,541 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-28 09:42:27,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:27,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:27,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:27,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:27,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:27,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:27,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:27,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:27,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:27,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:27,579 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,580 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-28 09:42:27,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:27,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:27,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:27,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:27,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:27,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:27,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:27,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:27,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:27,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:27,612 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,612 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-28 09:42:27,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:27,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:27,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:27,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:27,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:27,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:27,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:27,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:27,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:27,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,648 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-28 09:42:27,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:27,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:27,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:27,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:27,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:27,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:27,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:27,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:27,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:27,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:27,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,679 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-28 09:42:27,680 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 [2021-10-28 09:42:27,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:27,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:27,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:27,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:27,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:27,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:27,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:27,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-10-28 09:42:27,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,711 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-28 09:42:27,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:27,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:27,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:27,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:27,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:27,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:27,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:27,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:27,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:27,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-10-28 09:42:27,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,742 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-28 09:42:27,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:27,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:27,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:27,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:27,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:27,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:27,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:27,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:27,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:27,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,790 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-28 09:42:27,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:27,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:27,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:27,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:27,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:27,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:27,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:27,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:27,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:27,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:27,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,822 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-28 09:42:27,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:27,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:27,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:27,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:27,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:27,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:27,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:27,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:27,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:27,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:27,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,853 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-28 09:42:27,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:27,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:27,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:27,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:27,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:27,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:27,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:27,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:27,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:27,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:27,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,885 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-28 09:42:27,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:27,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:27,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:27,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:27,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:27,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:27,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:27,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:27,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:27,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-10-28 09:42:27,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,918 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-28 09:42:27,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:27,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:27,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:27,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:27,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:27,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:27,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:27,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:27,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:27,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-10-28 09:42:27,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,957 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-28 09:42:27,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:27,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:27,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:27,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:27,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:27,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:27,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:27,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:27,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-10-28 09:42:27,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:27,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:27,993 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:27,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-28 09:42:27,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:28,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:28,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-28 09:42:28,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,028 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-28 09:42:28,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:28,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:28,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-10-28 09:42:28,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,066 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-28 09:42:28,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:28,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:28,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-10-28 09:42:28,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,098 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,104 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 [2021-10-28 09:42:28,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-28 09:42:28,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:28,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:28,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:28,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,136 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-28 09:42:28,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:28,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:28,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:28,168 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,169 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-28 09:42:28,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:28,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:28,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:28,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,247 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:28,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:28,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-28 09:42:28,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-10-28 09:42:28,303 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,304 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-28 09:42:28,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:28,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:28,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:28,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,336 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-28 09:42:28,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:28,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:28,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-10-28 09:42:28,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,415 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:28,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:28,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-28 09:42:28,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:28,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,478 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:28,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:28,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:28,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-28 09:42:28,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-10-28 09:42:28,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,517 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-28 09:42:28,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:28,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:28,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:28,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-10-28 09:42:28,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,548 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-28 09:42:28,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:28,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:28,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:28,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:28,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,581 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-28 09:42:28,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:28,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:28,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:28,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,618 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-28 09:42:28,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:28,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:28,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:28,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:28,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:28,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-10-28 09:42:28,650 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,651 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-28 09:42:28,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:28,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:28,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:28,660 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:42:28,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:28,665 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-28 09:42:28,666 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 09:42:28,682 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:42:28,700 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-28 09:42:28,700 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-28 09:42:28,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:28,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:28,701 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:28,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-28 09:42:28,702 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:42:28,711 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-10-28 09:42:28,711 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:42:28,711 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~n) = 1*ackermann_~n Supporting invariants [1*ackermann_~n >= 0] [2021-10-28 09:42:28,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-10-28 09:42:28,746 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-28 09:42:28,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:28,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:28,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:28,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:28,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:28,984 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 4 loop predicates [2021-10-28 09:42:28,984 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34 Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:29,008 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 106 transitions. Complement of second has 6 states. [2021-10-28 09:42:29,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:42:29,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:29,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-28 09:42:29,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-28 09:42:29,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:29,012 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:29,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:29,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:29,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:29,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:29,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:29,238 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 4 loop predicates [2021-10-28 09:42:29,238 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34 Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:29,265 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 77 states and 106 transitions. Complement of second has 6 states. [2021-10-28 09:42:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:42:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-28 09:42:29,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-28 09:42:29,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:29,268 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:29,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:29,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:29,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:29,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:29,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:29,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:29,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:29,507 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 4 loop predicates [2021-10-28 09:42:29,507 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34 Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:29,616 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 105 transitions. cyclomatic complexity: 34. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 171 states and 230 transitions. Complement of second has 38 states. [2021-10-28 09:42:29,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 3 stem states 3 non-accepting loop states 2 accepting loop states [2021-10-28 09:42:29,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:29,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2021-10-28 09:42:29,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-28 09:42:29,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:29,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 19 letters. Loop has 4 letters. [2021-10-28 09:42:29,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:29,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 15 letters. Loop has 8 letters. [2021-10-28 09:42:29,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:29,620 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 171 states and 230 transitions. [2021-10-28 09:42:29,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2021-10-28 09:42:29,628 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 171 states to 113 states and 162 transitions. [2021-10-28 09:42:29,628 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2021-10-28 09:42:29,629 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2021-10-28 09:42:29,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 162 transitions. [2021-10-28 09:42:29,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:29,629 INFO L681 BuchiCegarLoop]: Abstraction has 113 states and 162 transitions. [2021-10-28 09:42:29,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 162 transitions. [2021-10-28 09:42:29,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 108. [2021-10-28 09:42:29,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 76 states have (on average 1.131578947368421) internal successors, (86), 79 states have internal predecessors, (86), 22 states have call successors, (29), 17 states have call predecessors, (29), 10 states have return successors, (35), 11 states have call predecessors, (35), 20 states have call successors, (35) [2021-10-28 09:42:29,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 150 transitions. [2021-10-28 09:42:29,641 INFO L704 BuchiCegarLoop]: Abstraction has 108 states and 150 transitions. [2021-10-28 09:42:29,641 INFO L587 BuchiCegarLoop]: Abstraction has 108 states and 150 transitions. [2021-10-28 09:42:29,641 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:42:29,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 150 transitions. [2021-10-28 09:42:29,643 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2021-10-28 09:42:29,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:29,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:29,645 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:29,645 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:29,645 INFO L791 eck$LassoCheckResult]: Stem: 1939#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1940#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 1949#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 1950#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 1959#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 1968#ackermannENTRY ~m := #in~m;~n := #in~n; 1958#L17 assume !(0 == ~m); 1960#L20 assume !(0 == ~n); 1942#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1941#ackermannENTRY ~m := #in~m;~n := #in~n; 1943#L17 assume !(0 == ~m); 2025#L20 assume 0 == ~n; 1953#L21 call #t~ret7 := ackermann(~m - 1, 1);< 2006#ackermannENTRY ~m := #in~m;~n := #in~n; 2020#L17 assume 0 == ~m;#res := 1 + ~n; 2019#ackermannFINAL assume true; 1951#ackermannEXIT >#43#return; 1957#L21-1 #res := #t~ret7;havoc #t~ret7; 1947#ackermannFINAL assume true; 1948#ackermannEXIT >#45#return; 1975#L23-1 [2021-10-28 09:42:29,645 INFO L793 eck$LassoCheckResult]: Loop: 1975#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 1978#ackermannENTRY ~m := #in~m;~n := #in~n; 2012#L17 assume !(0 == ~m); 1980#L20 assume !(0 == ~n); 1974#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 1978#ackermannENTRY ~m := #in~m;~n := #in~n; 2012#L17 assume !(0 == ~m); 1980#L20 assume 0 == ~n; 1965#L21 call #t~ret7 := ackermann(~m - 1, 1);< 1970#ackermannENTRY ~m := #in~m;~n := #in~n; 2015#L17 assume 0 == ~m;#res := 1 + ~n; 2014#ackermannFINAL assume true; 2004#ackermannEXIT >#43#return; 2001#L21-1 #res := #t~ret7;havoc #t~ret7; 1999#ackermannFINAL assume true; 1985#ackermannEXIT >#45#return; 1975#L23-1 [2021-10-28 09:42:29,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:29,646 INFO L85 PathProgramCache]: Analyzing trace with hash -2142297082, now seen corresponding path program 1 times [2021-10-28 09:42:29,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:29,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456537823] [2021-10-28 09:42:29,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:29,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:29,658 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:29,672 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:29,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:29,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1250092377, now seen corresponding path program 1 times [2021-10-28 09:42:29,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:29,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670636198] [2021-10-28 09:42:29,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:29,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:29,680 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:29,686 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:29,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:29,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1017421986, now seen corresponding path program 1 times [2021-10-28 09:42:29,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:29,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637443185] [2021-10-28 09:42:29,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:29,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:29,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-10-28 09:42:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:29,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:29,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-10-28 09:42:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:29,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:29,866 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-28 09:42:29,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:29,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637443185] [2021-10-28 09:42:29,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637443185] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:29,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673182462] [2021-10-28 09:42:29,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:29,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:29,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:29,869 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:42:29,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Waiting until timeout for monitored process [2021-10-28 09:42:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:30,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:42:30,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:30,126 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-28 09:42:30,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673182462] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:30,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:42:30,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 13 [2021-10-28 09:42:30,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111208582] [2021-10-28 09:42:30,376 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:30,376 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:30,376 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:30,376 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:30,376 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:42:30,376 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:30,376 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:30,377 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:30,377 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration7_Loop [2021-10-28 09:42:30,377 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:30,377 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:30,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:30,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:30,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:30,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:30,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:30,444 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:30,444 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:42:30,444 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:30,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:30,445 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:30,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-10-28 09:42:30,455 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:30,455 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:30,463 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:30,463 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:30,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2021-10-28 09:42:30,483 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:30,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:30,484 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:30,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-28 09:42:30,488 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:30,488 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:30,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:30,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:30,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:30,517 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:30,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-10-28 09:42:30,518 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:42:30,518 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:32,551 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:42:32,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:32,555 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:32,555 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:32,555 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:32,555 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:32,555 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:42:32,555 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:32,555 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:32,555 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:32,555 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration7_Loop [2021-10-28 09:42:32,555 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:32,555 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:32,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:32,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:32,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:32,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:32,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:32,652 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:32,653 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:42:32,653 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:32,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:32,661 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:32,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-28 09:42:32,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:32,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:32,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:32,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:32,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:32,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:32,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:32,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:32,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:32,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:32,692 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:32,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:32,693 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:32,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-28 09:42:32,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:32,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:32,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:32,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:32,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:32,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:32,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:32,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:32,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:32,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:32,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:32,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:32,726 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:32,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-28 09:42:32,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:32,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:32,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:32,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:32,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:32,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:32,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:32,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:32,738 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:42:32,739 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-28 09:42:32,739 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:42:32,740 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:32,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:32,741 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:32,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-28 09:42:32,742 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:42:32,742 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:42:32,742 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:42:32,742 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_~m) = 1*ackermann_~m Supporting invariants [] [2021-10-28 09:42:32,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:32,762 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:42:32,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:32,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:42:32,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:33,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 09:42:33,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:42:33,255 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 7 loop predicates [2021-10-28 09:42:33,255 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 108 states and 150 transitions. cyclomatic complexity: 46 Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-28 09:42:33,366 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 108 states and 150 transitions. cyclomatic complexity: 46. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Result 185 states and 266 transitions. Complement of second has 20 states. [2021-10-28 09:42:33,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:42:33,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-28 09:42:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2021-10-28 09:42:33,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 20 letters. Loop has 16 letters. [2021-10-28 09:42:33,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:33,373 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:33,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:33,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:42:33,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:33,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:33,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 09:42:33,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:42:33,804 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 7 loop predicates [2021-10-28 09:42:33,805 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 108 states and 150 transitions. cyclomatic complexity: 46 Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-28 09:42:34,009 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 108 states and 150 transitions. cyclomatic complexity: 46. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Result 272 states and 409 transitions. Complement of second has 32 states. [2021-10-28 09:42:34,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-28 09:42:34,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-28 09:42:34,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 33 transitions. [2021-10-28 09:42:34,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 20 letters. Loop has 16 letters. [2021-10-28 09:42:34,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:34,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 36 letters. Loop has 16 letters. [2021-10-28 09:42:34,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:34,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 33 transitions. Stem has 20 letters. Loop has 32 letters. [2021-10-28 09:42:34,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:34,014 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 272 states and 409 transitions. [2021-10-28 09:42:34,020 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 47 [2021-10-28 09:42:34,026 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 272 states to 222 states and 347 transitions. [2021-10-28 09:42:34,027 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2021-10-28 09:42:34,027 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 122 [2021-10-28 09:42:34,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 222 states and 347 transitions. [2021-10-28 09:42:34,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:34,028 INFO L681 BuchiCegarLoop]: Abstraction has 222 states and 347 transitions. [2021-10-28 09:42:34,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states and 347 transitions. [2021-10-28 09:42:34,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 209. [2021-10-28 09:42:34,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 138 states have (on average 1.1666666666666667) internal successors, (161), 148 states have internal predecessors, (161), 47 states have call successors, (64), 28 states have call predecessors, (64), 24 states have return successors, (102), 32 states have call predecessors, (102), 41 states have call successors, (102) [2021-10-28 09:42:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 327 transitions. [2021-10-28 09:42:34,047 INFO L704 BuchiCegarLoop]: Abstraction has 209 states and 327 transitions. [2021-10-28 09:42:34,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:34,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-28 09:42:34,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-10-28 09:42:34,048 INFO L87 Difference]: Start difference. First operand 209 states and 327 transitions. Second operand has 14 states, 12 states have (on average 2.5) internal successors, (30), 10 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 6 states have return successors, (7), 5 states have call predecessors, (7), 4 states have call successors, (7) [2021-10-28 09:42:34,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:34,282 INFO L93 Difference]: Finished difference Result 232 states and 364 transitions. [2021-10-28 09:42:34,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 09:42:34,283 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 364 transitions. [2021-10-28 09:42:34,288 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 53 [2021-10-28 09:42:34,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 230 states and 362 transitions. [2021-10-28 09:42:34,295 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-10-28 09:42:34,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-10-28 09:42:34,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 230 states and 362 transitions. [2021-10-28 09:42:34,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:34,296 INFO L681 BuchiCegarLoop]: Abstraction has 230 states and 362 transitions. [2021-10-28 09:42:34,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states and 362 transitions. [2021-10-28 09:42:34,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 223. [2021-10-28 09:42:34,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 147 states have (on average 1.1360544217687074) internal successors, (167), 157 states have internal predecessors, (167), 48 states have call successors, (63), 30 states have call predecessors, (63), 28 states have return successors, (121), 35 states have call predecessors, (121), 42 states have call successors, (121) [2021-10-28 09:42:34,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 351 transitions. [2021-10-28 09:42:34,314 INFO L704 BuchiCegarLoop]: Abstraction has 223 states and 351 transitions. [2021-10-28 09:42:34,314 INFO L587 BuchiCegarLoop]: Abstraction has 223 states and 351 transitions. [2021-10-28 09:42:34,314 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 09:42:34,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 223 states and 351 transitions. [2021-10-28 09:42:34,317 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 53 [2021-10-28 09:42:34,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:34,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:34,318 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:34,318 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:42:34,319 INFO L791 eck$LassoCheckResult]: Stem: 3422#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3423#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 3443#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 3444#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 3476#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 3477#ackermannENTRY ~m := #in~m;~n := #in~n; 3524#L17 assume !(0 == ~m); 3522#L20 assume !(0 == ~n); 3451#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3518#ackermannENTRY ~m := #in~m;~n := #in~n; 3519#L17 assume !(0 == ~m); 3535#L20 assume 0 == ~n; 3431#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3533#ackermannENTRY ~m := #in~m;~n := #in~n; 3536#L17 assume 0 == ~m;#res := 1 + ~n; 3534#ackermannFINAL assume true; 3530#ackermannEXIT >#43#return; 3529#L21-1 #res := #t~ret7;havoc #t~ret7; 3528#ackermannFINAL assume true; 3526#ackermannEXIT >#45#return; 3469#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 3475#ackermannENTRY ~m := #in~m;~n := #in~n; 3608#L17 assume !(0 == ~m); 3462#L20 assume !(0 == ~n); 3464#L23 [2021-10-28 09:42:34,319 INFO L793 eck$LassoCheckResult]: Loop: 3464#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3581#ackermannENTRY ~m := #in~m;~n := #in~n; 3578#L17 assume !(0 == ~m); 3579#L20 assume !(0 == ~n); 3464#L23 [2021-10-28 09:42:34,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:34,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1132004457, now seen corresponding path program 2 times [2021-10-28 09:42:34,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:34,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863959896] [2021-10-28 09:42:34,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:34,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:34,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-10-28 09:42:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:34,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 09:42:34,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:34,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863959896] [2021-10-28 09:42:34,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863959896] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:34,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835010153] [2021-10-28 09:42:34,416 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 09:42:34,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:34,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:34,417 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:42:34,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (134)] Waiting until timeout for monitored process [2021-10-28 09:42:34,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 09:42:34,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:42:34,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 09:42:34,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 09:42:34,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835010153] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:34,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:42:34,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-10-28 09:42:34,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541156289] [2021-10-28 09:42:34,764 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:42:34,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:34,765 INFO L85 PathProgramCache]: Analyzing trace with hash 2259284, now seen corresponding path program 4 times [2021-10-28 09:42:34,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:34,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54150894] [2021-10-28 09:42:34,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:34,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:34,784 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:34,788 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:34,868 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:34,869 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:34,869 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:34,869 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:34,869 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:42:34,869 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:34,869 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:34,870 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:34,870 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration8_Loop [2021-10-28 09:42:34,870 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:34,870 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:34,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:34,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:34,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:34,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:34,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:34,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:34,968 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:34,968 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:42:34,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:34,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:34,973 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:34,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-10-28 09:42:34,974 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:34,974 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:34,982 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:34,982 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:35,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:35,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:35,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:35,003 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:35,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-10-28 09:42:35,004 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:35,004 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:35,012 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:35,013 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:35,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2021-10-28 09:42:35,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:35,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:35,034 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:35,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-10-28 09:42:35,035 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:35,035 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:35,049 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:35,049 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=7, ackermann_~m=7} Honda state: {ackermann_#in~m=7, ackermann_~m=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:35,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-10-28 09:42:35,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:35,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:35,070 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:35,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-10-28 09:42:35,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:35,071 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:35,079 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:35,079 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:35,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:35,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:35,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:35,100 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:35,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-10-28 09:42:35,101 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:35,101 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:35,109 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:35,109 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:35,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:35,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:35,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:35,129 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:35,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-10-28 09:42:35,130 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:35,131 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:35,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:35,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:35,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:35,165 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:35,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-10-28 09:42:35,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:42:35,166 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:38,884 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:38,884 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=-1, ackermann_#in~n=1} Honda state: {ackermann_~n=-1, ackermann_#in~n=1} Generalized eigenvectors: [{ackermann_~n=-1, ackermann_#in~n=7}, {ackermann_~n=0, ackermann_#in~n=-8}, {ackermann_~n=0, ackermann_#in~n=-2}] Lambdas: [1, 0, 0] Nus: [1, 0] [2021-10-28 09:42:38,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-10-28 09:42:38,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:38,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:42:38,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:42:38,906 INFO L87 Difference]: Start difference. First operand 223 states and 351 transitions. cyclomatic complexity: 135 Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-28 09:42:39,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:39,011 INFO L93 Difference]: Finished difference Result 169 states and 264 transitions. [2021-10-28 09:42:39,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:42:39,011 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 264 transitions. [2021-10-28 09:42:39,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2021-10-28 09:42:39,019 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 161 states and 238 transitions. [2021-10-28 09:42:39,020 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2021-10-28 09:42:39,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113 [2021-10-28 09:42:39,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 238 transitions. [2021-10-28 09:42:39,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:39,022 INFO L681 BuchiCegarLoop]: Abstraction has 161 states and 238 transitions. [2021-10-28 09:42:39,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 238 transitions. [2021-10-28 09:42:39,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 155. [2021-10-28 09:42:39,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 104 states have (on average 1.0961538461538463) internal successors, (114), 105 states have internal predecessors, (114), 31 states have call successors, (37), 23 states have call predecessors, (37), 20 states have return successors, (64), 26 states have call predecessors, (64), 29 states have call successors, (64) [2021-10-28 09:42:39,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2021-10-28 09:42:39,032 INFO L704 BuchiCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-10-28 09:42:39,032 INFO L587 BuchiCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-10-28 09:42:39,032 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 09:42:39,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 215 transitions. [2021-10-28 09:42:39,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2021-10-28 09:42:39,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:39,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:39,039 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 7, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-10-28 09:42:39,040 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [12, 11, 7, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2] [2021-10-28 09:42:39,040 INFO L791 eck$LassoCheckResult]: Stem: 3913#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3914#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 3929#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 3930#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 3936#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 3937#ackermannENTRY ~m := #in~m;~n := #in~n; 4032#L17 assume !(0 == ~m); 3935#L20 assume !(0 == ~n); 3919#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 4015#ackermannENTRY ~m := #in~m;~n := #in~n; 4009#L17 assume !(0 == ~m); 4008#L20 assume 0 == ~n; 3922#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3983#ackermannENTRY ~m := #in~m;~n := #in~n; 4001#L17 assume !(0 == ~m); 4000#L20 assume !(0 == ~n); 3972#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3999#ackermannENTRY ~m := #in~m;~n := #in~n; 4026#L17 assume !(0 == ~m); 4025#L20 assume !(0 == ~n); 3965#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 4018#ackermannENTRY ~m := #in~m;~n := #in~n; 4019#L17 assume !(0 == ~m); 4016#L20 assume 0 == ~n; 3925#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3984#ackermannENTRY ~m := #in~m;~n := #in~n; 4014#L17 assume 0 == ~m;#res := 1 + ~n; 4007#ackermannFINAL assume true; 4004#ackermannEXIT >#43#return; 4005#L21-1 #res := #t~ret7;havoc #t~ret7; 4053#ackermannFINAL assume true; 4052#ackermannEXIT >#45#return; 4049#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4051#ackermannENTRY ~m := #in~m;~n := #in~n; 4055#L17 assume 0 == ~m;#res := 1 + ~n; 4054#ackermannFINAL assume true; 4047#ackermannEXIT >#47#return; 4050#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 4064#ackermannFINAL assume true; 4062#ackermannEXIT >#45#return; 4061#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4066#ackermannENTRY ~m := #in~m;~n := #in~n; 4067#L17 assume 0 == ~m;#res := 1 + ~n; 3993#ackermannFINAL assume true; 4065#ackermannEXIT >#47#return; 3932#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 3921#ackermannFINAL assume true; 3928#ackermannEXIT >#43#return; 3981#L21-1 #res := #t~ret7;havoc #t~ret7; 4020#ackermannFINAL assume true; 3968#ackermannEXIT >#45#return; 3938#L23-1 [2021-10-28 09:42:39,040 INFO L793 eck$LassoCheckResult]: Loop: 3938#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 3950#ackermannENTRY ~m := #in~m;~n := #in~n; 3956#L17 assume !(0 == ~m); 3958#L20 assume !(0 == ~n); 3942#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3950#ackermannENTRY ~m := #in~m;~n := #in~n; 3956#L17 assume !(0 == ~m); 3958#L20 assume 0 == ~n; 3927#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3944#ackermannENTRY ~m := #in~m;~n := #in~n; 3979#L17 assume !(0 == ~m); 3977#L20 assume !(0 == ~n); 3948#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3967#ackermannENTRY ~m := #in~m;~n := #in~n; 3989#L17 assume !(0 == ~m); 3988#L20 assume !(0 == ~n); 3941#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3962#ackermannENTRY ~m := #in~m;~n := #in~n; 3959#L17 assume !(0 == ~m); 3960#L20 assume !(0 == ~n); 3943#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3962#ackermannENTRY ~m := #in~m;~n := #in~n; 3959#L17 assume !(0 == ~m); 3960#L20 assume !(0 == ~n); 3943#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 3962#ackermannENTRY ~m := #in~m;~n := #in~n; 3959#L17 assume !(0 == ~m); 3961#L20 assume 0 == ~n; 3927#L21 call #t~ret7 := ackermann(~m - 1, 1);< 3944#ackermannENTRY ~m := #in~m;~n := #in~n; 3979#L17 assume 0 == ~m;#res := 1 + ~n; 3980#ackermannFINAL assume true; 4043#ackermannEXIT >#43#return; 4033#L21-1 #res := #t~ret7;havoc #t~ret7; 4034#ackermannFINAL assume true; 3985#ackermannEXIT >#45#return; 3986#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4042#ackermannENTRY ~m := #in~m;~n := #in~n; 4057#L17 assume 0 == ~m;#res := 1 + ~n; 4056#ackermannFINAL assume true; 4040#ackermannEXIT >#47#return; 4035#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 4021#ackermannFINAL assume true; 4022#ackermannEXIT >#45#return; 4037#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4041#ackermannENTRY ~m := #in~m;~n := #in~n; 4058#L17 assume 0 == ~m;#res := 1 + ~n; 3957#ackermannFINAL assume true; 4036#ackermannEXIT >#47#return; 4035#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 4021#ackermannFINAL assume true; 4022#ackermannEXIT >#45#return; 4038#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4041#ackermannENTRY ~m := #in~m;~n := #in~n; 4058#L17 assume 0 == ~m;#res := 1 + ~n; 3957#ackermannFINAL assume true; 4036#ackermannEXIT >#47#return; 4039#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 4063#ackermannFINAL assume true; 4060#ackermannEXIT >#45#return; 4061#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 4066#ackermannENTRY ~m := #in~m;~n := #in~n; 4067#L17 assume 0 == ~m;#res := 1 + ~n; 3993#ackermannFINAL assume true; 4065#ackermannEXIT >#47#return; 3932#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 3921#ackermannFINAL assume true; 3928#ackermannEXIT >#43#return; 3981#L21-1 #res := #t~ret7;havoc #t~ret7; 4020#ackermannFINAL assume true; 3968#ackermannEXIT >#45#return; 3938#L23-1 [2021-10-28 09:42:39,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:39,041 INFO L85 PathProgramCache]: Analyzing trace with hash -77167706, now seen corresponding path program 1 times [2021-10-28 09:42:39,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:39,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060896415] [2021-10-28 09:42:39,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:39,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-10-28 09:42:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:42:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,153 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 45 proven. 23 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-28 09:42:39,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:39,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060896415] [2021-10-28 09:42:39,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060896415] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:39,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026177701] [2021-10-28 09:42:39,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:39,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:39,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:39,155 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:42:39,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (142)] Waiting until timeout for monitored process [2021-10-28 09:42:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:42:39,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:39,575 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 48 proven. 15 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-10-28 09:42:39,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026177701] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:39,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:42:39,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-10-28 09:42:39,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015202172] [2021-10-28 09:42:39,577 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:42:39,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:39,577 INFO L85 PathProgramCache]: Analyzing trace with hash -804805273, now seen corresponding path program 1 times [2021-10-28 09:42:39,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:39,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752916931] [2021-10-28 09:42:39,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:39,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-28 09:42:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:42:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:42:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:42:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:39,766 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 103 proven. 65 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-10-28 09:42:39,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:39,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752916931] [2021-10-28 09:42:39,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752916931] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:39,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393068055] [2021-10-28 09:42:39,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:39,767 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:39,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:39,769 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:42:39,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (143)] Waiting until timeout for monitored process [2021-10-28 09:42:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:40,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:42:40,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:40,246 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 112 proven. 45 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-10-28 09:42:40,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393068055] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:40,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:42:40,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-10-28 09:42:40,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283455677] [2021-10-28 09:42:40,248 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:42:40,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:40,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:42:40,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:42:40,249 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. cyclomatic complexity: 64 Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 9 states have call successors, (11), 1 states have call predecessors, (11), 7 states have return successors, (12), 6 states have call predecessors, (12), 9 states have call successors, (12) [2021-10-28 09:42:40,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:40,389 INFO L93 Difference]: Finished difference Result 177 states and 292 transitions. [2021-10-28 09:42:40,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:42:40,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 177 states and 292 transitions. [2021-10-28 09:42:40,394 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2021-10-28 09:42:40,397 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 177 states to 156 states and 245 transitions. [2021-10-28 09:42:40,398 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 109 [2021-10-28 09:42:40,398 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 109 [2021-10-28 09:42:40,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 245 transitions. [2021-10-28 09:42:40,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:40,401 INFO L681 BuchiCegarLoop]: Abstraction has 156 states and 245 transitions. [2021-10-28 09:42:40,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 245 transitions. [2021-10-28 09:42:40,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 137. [2021-10-28 09:42:40,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 93 states have (on average 1.10752688172043) internal successors, (103), 94 states have internal predecessors, (103), 28 states have call successors, (33), 21 states have call predecessors, (33), 16 states have return successors, (48), 21 states have call predecessors, (48), 25 states have call successors, (48) [2021-10-28 09:42:40,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 184 transitions. [2021-10-28 09:42:40,412 INFO L704 BuchiCegarLoop]: Abstraction has 137 states and 184 transitions. [2021-10-28 09:42:40,412 INFO L587 BuchiCegarLoop]: Abstraction has 137 states and 184 transitions. [2021-10-28 09:42:40,412 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 09:42:40,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 184 transitions. [2021-10-28 09:42:40,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 28 [2021-10-28 09:42:40,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:40,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:40,426 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:40,426 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [13, 12, 9, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3] [2021-10-28 09:42:40,428 INFO L791 eck$LassoCheckResult]: Stem: 5023#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 5024#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 5046#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 5047#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 5045#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 5063#ackermannENTRY ~m := #in~m;~n := #in~n; 5093#L17 assume !(0 == ~m); 5091#L20 assume !(0 == ~n); 5040#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5088#ackermannENTRY ~m := #in~m;~n := #in~n; 5087#L17 assume !(0 == ~m); 5055#L20 assume 0 == ~n; 5056#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5100#ackermannENTRY ~m := #in~m;~n := #in~n; 5105#L17 assume !(0 == ~m); 5106#L20 assume !(0 == ~n); 5058#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5071#ackermannENTRY ~m := #in~m;~n := #in~n; 5103#L17 assume !(0 == ~m); 5097#L20 assume 0 == ~n; 5070#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5101#ackermannENTRY ~m := #in~m;~n := #in~n; 5123#L17 assume 0 == ~m;#res := 1 + ~n; 5121#ackermannFINAL assume true; 5115#ackermannEXIT >#43#return; 5116#L21-1 #res := #t~ret7;havoc #t~ret7; 5147#ackermannFINAL assume true; 5144#ackermannEXIT >#45#return; 5126#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5127#ackermannENTRY ~m := #in~m;~n := #in~n; 5139#L17 assume 0 == ~m;#res := 1 + ~n; 5138#ackermannFINAL assume true; 5125#ackermannEXIT >#47#return; 5124#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 5122#ackermannFINAL assume true; 5113#ackermannEXIT >#43#return; 5066#L21-1 #res := #t~ret7;havoc #t~ret7; 5032#ackermannFINAL assume true; 5044#ackermannEXIT >#45#return; 5035#L23-1 [2021-10-28 09:42:40,430 INFO L793 eck$LassoCheckResult]: Loop: 5035#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5069#ackermannENTRY ~m := #in~m;~n := #in~n; 5075#L17 assume !(0 == ~m); 5077#L20 assume !(0 == ~n); 5034#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5069#ackermannENTRY ~m := #in~m;~n := #in~n; 5075#L17 assume !(0 == ~m); 5077#L20 assume 0 == ~n; 5064#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume !(0 == ~m); 5084#L20 assume !(0 == ~n); 5067#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5081#ackermannENTRY ~m := #in~m;~n := #in~n; 5082#L17 assume !(0 == ~m); 5074#L20 assume 0 == ~n; 5073#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume !(0 == ~m); 5084#L20 assume !(0 == ~n); 5067#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5081#ackermannENTRY ~m := #in~m;~n := #in~n; 5082#L17 assume !(0 == ~m); 5074#L20 assume 0 == ~n; 5073#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume 0 == ~m;#res := 1 + ~n; 5086#ackermannFINAL assume true; 5117#ackermannEXIT >#43#return; 5119#L21-1 #res := #t~ret7;havoc #t~ret7; 5137#ackermannFINAL assume true; 5136#ackermannEXIT >#45#return; 5132#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5133#ackermannENTRY ~m := #in~m;~n := #in~n; 5146#L17 assume 0 == ~m;#res := 1 + ~n; 5145#ackermannFINAL assume true; 5131#ackermannEXIT >#47#return; 5129#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 5128#ackermannFINAL assume true; 5120#ackermannEXIT >#43#return; 5114#L21-1 #res := #t~ret7;havoc #t~ret7; 5143#ackermannFINAL assume true; 5135#ackermannEXIT >#45#return; 5061#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5134#ackermannENTRY ~m := #in~m;~n := #in~n; 5140#L17 assume !(0 == ~m); 5072#L20 assume 0 == ~n; 5073#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume !(0 == ~m); 5084#L20 assume !(0 == ~n); 5067#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 5081#ackermannENTRY ~m := #in~m;~n := #in~n; 5082#L17 assume !(0 == ~m); 5074#L20 assume 0 == ~n; 5073#L21 call #t~ret7 := ackermann(~m - 1, 1);< 5065#ackermannENTRY ~m := #in~m;~n := #in~n; 5085#L17 assume 0 == ~m;#res := 1 + ~n; 5086#ackermannFINAL assume true; 5117#ackermannEXIT >#43#return; 5119#L21-1 #res := #t~ret7;havoc #t~ret7; 5137#ackermannFINAL assume true; 5136#ackermannEXIT >#45#return; 5132#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 5133#ackermannENTRY ~m := #in~m;~n := #in~n; 5146#L17 assume 0 == ~m;#res := 1 + ~n; 5145#ackermannFINAL assume true; 5131#ackermannEXIT >#47#return; 5129#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 5128#ackermannFINAL assume true; 5120#ackermannEXIT >#43#return; 5114#L21-1 #res := #t~ret7;havoc #t~ret7; 5143#ackermannFINAL assume true; 5135#ackermannEXIT >#47#return; 5129#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 5128#ackermannFINAL assume true; 5120#ackermannEXIT >#43#return; 5066#L21-1 #res := #t~ret7;havoc #t~ret7; 5032#ackermannFINAL assume true; 5044#ackermannEXIT >#45#return; 5035#L23-1 [2021-10-28 09:42:40,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:40,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1100790060, now seen corresponding path program 2 times [2021-10-28 09:42:40,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:40,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787395338] [2021-10-28 09:42:40,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:40,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:40,449 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:40,474 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:40,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:40,475 INFO L85 PathProgramCache]: Analyzing trace with hash -119431079, now seen corresponding path program 2 times [2021-10-28 09:42:40,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:40,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216349959] [2021-10-28 09:42:40,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:40,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-28 09:42:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:40,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:40,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:40,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:40,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:40,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:42:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:40,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:40,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:40,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 152 proven. 59 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-28 09:42:40,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:40,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216349959] [2021-10-28 09:42:40,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216349959] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:40,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290366153] [2021-10-28 09:42:40,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 09:42:40,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:40,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:40,749 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:42:40,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (144)] Waiting until timeout for monitored process [2021-10-28 09:42:41,019 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 09:42:41,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:42:41,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-28 09:42:41,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 90 proven. 84 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-10-28 09:42:41,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290366153] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:41,339 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:42:41,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-10-28 09:42:41,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143003040] [2021-10-28 09:42:41,340 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:42:41,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:41,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-28 09:42:41,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-28 09:42:41,341 INFO L87 Difference]: Start difference. First operand 137 states and 184 transitions. cyclomatic complexity: 51 Second operand has 20 states, 16 states have (on average 2.375) internal successors, (38), 13 states have internal predecessors, (38), 7 states have call successors, (11), 1 states have call predecessors, (11), 11 states have return successors, (21), 15 states have call predecessors, (21), 7 states have call successors, (21) [2021-10-28 09:42:42,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:42,211 INFO L93 Difference]: Finished difference Result 177 states and 270 transitions. [2021-10-28 09:42:42,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-28 09:42:42,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 177 states and 270 transitions. [2021-10-28 09:42:42,214 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 34 [2021-10-28 09:42:42,218 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 177 states to 176 states and 262 transitions. [2021-10-28 09:42:42,218 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 130 [2021-10-28 09:42:42,219 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 130 [2021-10-28 09:42:42,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 176 states and 262 transitions. [2021-10-28 09:42:42,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:42,219 INFO L681 BuchiCegarLoop]: Abstraction has 176 states and 262 transitions. [2021-10-28 09:42:42,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states and 262 transitions. [2021-10-28 09:42:42,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 165. [2021-10-28 09:42:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 109 states have (on average 1.0825688073394495) internal successors, (118), 113 states have internal predecessors, (118), 35 states have call successors, (40), 23 states have call predecessors, (40), 21 states have return successors, (88), 28 states have call predecessors, (88), 30 states have call successors, (88) [2021-10-28 09:42:42,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 246 transitions. [2021-10-28 09:42:42,228 INFO L704 BuchiCegarLoop]: Abstraction has 165 states and 246 transitions. [2021-10-28 09:42:42,228 INFO L587 BuchiCegarLoop]: Abstraction has 165 states and 246 transitions. [2021-10-28 09:42:42,228 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 09:42:42,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 246 transitions. [2021-10-28 09:42:42,230 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 34 [2021-10-28 09:42:42,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:42,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:42,231 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:42,231 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:42:42,231 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 [2021-10-28 09:42:42,232 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 [2021-10-28 09:42:42,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:42,232 INFO L85 PathProgramCache]: Analyzing trace with hash -235246462, now seen corresponding path program 3 times [2021-10-28 09:42:42,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:42,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509379935] [2021-10-28 09:42:42,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:42,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:42,244 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:42,258 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:42,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:42,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1697294, now seen corresponding path program 5 times [2021-10-28 09:42:42,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:42,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134484893] [2021-10-28 09:42:42,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:42,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:42,263 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:42,266 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:42,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:42,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1578641935, now seen corresponding path program 4 times [2021-10-28 09:42:42,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:42,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760057680] [2021-10-28 09:42:42,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:42,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:42,305 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:42,320 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:42,373 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:42,373 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:42,373 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:42,373 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:42,374 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:42:42,374 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:42,374 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:42,374 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:42,374 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration11_Loop [2021-10-28 09:42:42,374 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:42,374 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:42,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:42,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:42,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:42,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:42,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:42,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:42,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:42,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:42,473 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:42,473 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:42:42,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:42,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:42,478 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:42,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-10-28 09:42:42,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:42,486 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:42,549 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:42,550 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret8=0} Honda state: {ackermann_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:42,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:42,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:42,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:42,584 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:42,592 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:42,592 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:42,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-10-28 09:42:42,604 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:42,604 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret7=0} Honda state: {ackermann_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:42,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:42,624 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:42,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:42,625 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:42,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-10-28 09:42:42,626 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:42,626 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:42,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2021-10-28 09:42:42,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:42,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:42,660 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:42,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-10-28 09:42:42,661 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:42:42,661 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:42,727 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:42,727 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~n=-4} Honda state: {ackermann_#in~n=-4} Generalized eigenvectors: [{ackermann_#in~n=-1}, {ackermann_#in~n=0}, {ackermann_#in~n=0}] Lambdas: [1, 1, 1] Nus: [1, 0] [2021-10-28 09:42:42,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:42,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:42,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:42,748 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:42,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-10-28 09:42:42,749 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:42,749 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:42,757 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:42,757 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~n=0} Honda state: {ackermann_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:42,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-10-28 09:42:42,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:42,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:42,778 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:42,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-10-28 09:42:42,779 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:42,779 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:42,792 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:42,792 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#in~m=4} Honda state: {ackermann_#in~m=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:42,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2021-10-28 09:42:42,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:42,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:42,814 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:42,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-10-28 09:42:42,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:42,817 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:42,825 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:42,825 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#t~ret9=0} Honda state: {ackermann_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:42,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-10-28 09:42:42,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:42,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:42,848 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:42,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-10-28 09:42:42,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:42,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:42,885 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:42,886 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_~m=0} Honda state: {ackermann_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:42,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:42,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:42,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:42,923 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:42,924 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:42:42,925 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:42:42,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-10-28 09:42:42,949 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:42:42,949 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ackermann_#res=0} Honda state: {ackermann_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:42:42,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2021-10-28 09:42:44,124 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:42:44,124 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:42:44,124 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:42:44,124 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:42:44,124 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:42:44,124 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:44,124 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:42:44,124 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:42:44,124 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ackermann02.c_Iteration11_Lasso [2021-10-28 09:42:44,124 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:42:44,124 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:42:44,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:42:44,441 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:42:44,441 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:42:44,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:44,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:44,445 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:44,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-10-28 09:42:44,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:44,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:44,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:44,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:44,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:44,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:44,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:44,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:44,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:44,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:44,481 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:44,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:44,482 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:44,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-10-28 09:42:44,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:44,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:44,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:42:44,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:44,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:44,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:44,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:42:44,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:42:44,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:44,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2021-10-28 09:42:44,511 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:44,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:44,512 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:44,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-10-28 09:42:44,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:42:44,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:44,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:44,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:42:44,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:44,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:42:44,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:42:44,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:42:44,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2021-10-28 09:42:44,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:44,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:44,544 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:44,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-10-28 09:42:44,545 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 [2021-10-28 09:42:44,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:42:44,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:42:44,552 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:42:44,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:42:44,556 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-28 09:42:44,556 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 09:42:44,570 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:42:44,591 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-28 09:42:44,592 INFO L444 ModelExtractionUtils]: 0 out of 11 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-10-28 09:42:44,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:42:44,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:44,593 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:44,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-10-28 09:42:44,594 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:42:44,603 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-10-28 09:42:44,603 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:42:44,603 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ackermann_#in~n) = 1*ackermann_#in~n Supporting invariants [1*ackermann_#in~n >= 0] [2021-10-28 09:42:44,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2021-10-28 09:42:44,637 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-28 09:42:44,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:44,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:44,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-28 09:42:44,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:45,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:45,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:45,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:45,718 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.11 stem predicates 3 loop predicates [2021-10-28 09:42:45,718 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86 Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-28 09:42:46,021 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86. Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Result 169 states and 255 transitions. Complement of second has 13 states. [2021-10-28 09:42:46,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 7 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:42:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-28 09:42:46,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2021-10-28 09:42:46,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-28 09:42:46,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:46,027 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:46,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:46,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-28 09:42:46,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:46,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:46,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:46,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:46,972 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.11 stem predicates 3 loop predicates [2021-10-28 09:42:46,973 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86 Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-28 09:42:47,286 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86. Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Result 169 states and 255 transitions. Complement of second has 13 states. [2021-10-28 09:42:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 7 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:42:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-28 09:42:47,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2021-10-28 09:42:47,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-28 09:42:47,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:47,289 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:42:47,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:47,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-28 09:42:47,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:48,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:42:48,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:48,112 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.11 stem predicates 3 loop predicates [2021-10-28 09:42:48,113 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86 Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-28 09:42:48,665 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 165 states and 246 transitions. cyclomatic complexity: 86. Second operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Result 258 states and 363 transitions. Complement of second has 42 states. [2021-10-28 09:42:48,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 12 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:42:48,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 2.0) internal successors, (22), 8 states have internal predecessors, (22), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-28 09:42:48,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 37 transitions. [2021-10-28 09:42:48,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-28 09:42:48,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:48,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 44 letters. Loop has 4 letters. [2021-10-28 09:42:48,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:48,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 37 transitions. Stem has 40 letters. Loop has 8 letters. [2021-10-28 09:42:48,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:42:48,676 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 258 states and 363 transitions. [2021-10-28 09:42:48,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 43 [2021-10-28 09:42:48,691 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 258 states to 209 states and 287 transitions. [2021-10-28 09:42:48,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2021-10-28 09:42:48,692 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142 [2021-10-28 09:42:48,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 209 states and 287 transitions. [2021-10-28 09:42:48,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:48,697 INFO L681 BuchiCegarLoop]: Abstraction has 209 states and 287 transitions. [2021-10-28 09:42:48,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states and 287 transitions. [2021-10-28 09:42:48,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 184. [2021-10-28 09:42:48,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 122 states have (on average 1.0819672131147542) internal successors, (132), 124 states have internal predecessors, (132), 42 states have call successors, (48), 25 states have call predecessors, (48), 20 states have return successors, (60), 34 states have call predecessors, (60), 37 states have call successors, (60) [2021-10-28 09:42:48,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 240 transitions. [2021-10-28 09:42:48,706 INFO L704 BuchiCegarLoop]: Abstraction has 184 states and 240 transitions. [2021-10-28 09:42:48,706 INFO L587 BuchiCegarLoop]: Abstraction has 184 states and 240 transitions. [2021-10-28 09:42:48,706 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 09:42:48,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 184 states and 240 transitions. [2021-10-28 09:42:48,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 40 [2021-10-28 09:42:48,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:48,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:48,711 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [14, 11, 10, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1] [2021-10-28 09:42:48,711 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [14, 11, 10, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3] [2021-10-28 09:42:48,711 INFO L791 eck$LassoCheckResult]: Stem: 7304#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 7305#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 7323#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 7324#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 7341#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 7342#ackermannENTRY ~m := #in~m;~n := #in~n; 7364#L17 assume !(0 == ~m); 7365#L20 assume 0 == ~n; 7345#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7346#ackermannENTRY ~m := #in~m;~n := #in~n; 7446#L17 assume !(0 == ~m); 7444#L20 assume !(0 == ~n); 7327#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7442#ackermannENTRY ~m := #in~m;~n := #in~n; 7326#L17 assume !(0 == ~m); 7328#L20 assume !(0 == ~n); 7312#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7373#ackermannENTRY ~m := #in~m;~n := #in~n; 7374#L17 assume !(0 == ~m); 7426#L20 assume 0 == ~n; 7362#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7396#ackermannENTRY ~m := #in~m;~n := #in~n; 7393#L17 assume !(0 == ~m); 7394#L20 assume !(0 == ~n); 7357#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7415#ackermannENTRY ~m := #in~m;~n := #in~n; 7395#L17 assume !(0 == ~m); 7356#L20 assume 0 == ~n; 7358#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7396#ackermannENTRY ~m := #in~m;~n := #in~n; 7393#L17 assume !(0 == ~m); 7394#L20 assume !(0 == ~n); 7357#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7415#ackermannENTRY ~m := #in~m;~n := #in~n; 7395#L17 assume !(0 == ~m); 7356#L20 assume 0 == ~n; 7358#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7422#ackermannENTRY ~m := #in~m;~n := #in~n; 7448#L17 assume 0 == ~m;#res := 1 + ~n; 7447#ackermannFINAL assume true; 7445#ackermannEXIT >#43#return; 7443#L21-1 #res := #t~ret7;havoc #t~ret7; 7441#ackermannFINAL assume true; 7433#ackermannEXIT >#45#return; 7430#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7431#ackermannENTRY ~m := #in~m;~n := #in~n; 7450#L17 assume 0 == ~m;#res := 1 + ~n; 7449#ackermannFINAL assume true; 7429#ackermannEXIT >#47#return; 7424#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7423#ackermannFINAL assume true; 7419#ackermannEXIT >#43#return; 7418#L21-1 #res := #t~ret7;havoc #t~ret7; 7417#ackermannFINAL assume true; 7413#ackermannEXIT >#45#return; 7411#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7412#ackermannENTRY ~m := #in~m;~n := #in~n; 7487#L17 assume !(0 == ~m); 7486#L20 assume !(0 == ~n); 7321#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7355#ackermannENTRY ~m := #in~m;~n := #in~n; 7403#L17 assume !(0 == ~m); 7402#L20 assume 0 == ~n; 7343#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7344#ackermannENTRY ~m := #in~m;~n := #in~n; 7457#L17 assume 0 == ~m;#res := 1 + ~n; 7400#ackermannFINAL assume true; 7456#ackermannEXIT >#43#return; 7351#L21-1 #res := #t~ret7;havoc #t~ret7; 7315#ackermannFINAL assume true; 7322#ackermannEXIT >#45#return; 7309#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7306#ackermannENTRY ~m := #in~m;~n := #in~n; 7310#L17 assume 0 == ~m;#res := 1 + ~n; 7325#ackermannFINAL assume true; 7466#ackermannEXIT >#47#return; 7468#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7480#ackermannFINAL assume true; 7479#ackermannEXIT >#47#return; 7477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7476#ackermannFINAL assume true; 7472#ackermannEXIT >#43#return; 7470#L21-1 #res := #t~ret7;havoc #t~ret7; 7469#ackermannFINAL assume true; 7463#ackermannEXIT >#45#return; 7338#L23-1 [2021-10-28 09:42:48,713 INFO L793 eck$LassoCheckResult]: Loop: 7338#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7389#ackermannENTRY ~m := #in~m;~n := #in~n; 7379#L17 assume !(0 == ~m); 7377#L20 assume 0 == ~n; 7332#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7401#ackermannENTRY ~m := #in~m;~n := #in~n; 7399#L17 assume !(0 == ~m); 7329#L20 assume !(0 == ~n); 7334#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7416#ackermannENTRY ~m := #in~m;~n := #in~n; 7438#L17 assume !(0 == ~m); 7439#L20 assume !(0 == ~n); 7381#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7385#ackermannENTRY ~m := #in~m;~n := #in~n; 7380#L17 assume !(0 == ~m); 7384#L20 assume 0 == ~n; 7330#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7401#ackermannENTRY ~m := #in~m;~n := #in~n; 7399#L17 assume !(0 == ~m); 7329#L20 assume !(0 == ~n); 7334#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7416#ackermannENTRY ~m := #in~m;~n := #in~n; 7438#L17 assume !(0 == ~m); 7437#L20 assume 0 == ~n; 7331#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7401#ackermannENTRY ~m := #in~m;~n := #in~n; 7399#L17 assume !(0 == ~m); 7329#L20 assume !(0 == ~n); 7334#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7416#ackermannENTRY ~m := #in~m;~n := #in~n; 7438#L17 assume !(0 == ~m); 7437#L20 assume 0 == ~n; 7331#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7401#ackermannENTRY ~m := #in~m;~n := #in~n; 7399#L17 assume 0 == ~m;#res := 1 + ~n; 7400#ackermannFINAL assume true; 7456#ackermannEXIT >#43#return; 7455#L21-1 #res := #t~ret7;havoc #t~ret7; 7454#ackermannFINAL assume true; 7453#ackermannEXIT >#45#return; 7435#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7436#ackermannENTRY ~m := #in~m;~n := #in~n; 7452#L17 assume 0 == ~m;#res := 1 + ~n; 7451#ackermannFINAL assume true; 7434#ackermannEXIT >#47#return; 7432#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7425#ackermannFINAL assume true; 7420#ackermannEXIT >#43#return; 7418#L21-1 #res := #t~ret7;havoc #t~ret7; 7417#ackermannFINAL assume true; 7413#ackermannEXIT >#45#return; 7411#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7412#ackermannENTRY ~m := #in~m;~n := #in~n; 7487#L17 assume !(0 == ~m); 7486#L20 assume !(0 == ~n); 7321#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 7355#ackermannENTRY ~m := #in~m;~n := #in~n; 7403#L17 assume !(0 == ~m); 7402#L20 assume 0 == ~n; 7343#L21 call #t~ret7 := ackermann(~m - 1, 1);< 7344#ackermannENTRY ~m := #in~m;~n := #in~n; 7457#L17 assume 0 == ~m;#res := 1 + ~n; 7400#ackermannFINAL assume true; 7456#ackermannEXIT >#43#return; 7351#L21-1 #res := #t~ret7;havoc #t~ret7; 7315#ackermannFINAL assume true; 7322#ackermannEXIT >#45#return; 7309#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 7306#ackermannENTRY ~m := #in~m;~n := #in~n; 7310#L17 assume 0 == ~m;#res := 1 + ~n; 7325#ackermannFINAL assume true; 7466#ackermannEXIT >#47#return; 7468#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7480#ackermannFINAL assume true; 7479#ackermannEXIT >#47#return; 7477#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 7476#ackermannFINAL assume true; 7472#ackermannEXIT >#43#return; 7470#L21-1 #res := #t~ret7;havoc #t~ret7; 7469#ackermannFINAL assume true; 7463#ackermannEXIT >#45#return; 7338#L23-1 [2021-10-28 09:42:48,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:48,714 INFO L85 PathProgramCache]: Analyzing trace with hash 2029382637, now seen corresponding path program 5 times [2021-10-28 09:42:48,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:48,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676543349] [2021-10-28 09:42:48,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:48,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-10-28 09:42:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:48,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:48,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:48,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:42:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:48,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:48,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:48,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:48,872 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 32 proven. 87 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-10-28 09:42:48,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:48,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676543349] [2021-10-28 09:42:48,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676543349] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:48,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635431674] [2021-10-28 09:42:48,873 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-28 09:42:48,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:48,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:48,881 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:42:48,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (159)] Waiting until timeout for monitored process [2021-10-28 09:42:49,342 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-10-28 09:42:49,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:42:49,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:42:49,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:49,559 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 36 proven. 83 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-10-28 09:42:49,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635431674] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:49,560 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:42:49,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-10-28 09:42:49,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686275570] [2021-10-28 09:42:49,560 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:42:49,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:49,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1345023226, now seen corresponding path program 3 times [2021-10-28 09:42:49,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:49,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105476654] [2021-10-28 09:42:49,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:49,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:49,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-10-28 09:42:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:49,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:49,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:49,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:49,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:49,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:49,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:49,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:42:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:49,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:49,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:49,671 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 36 proven. 83 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-10-28 09:42:49,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:49,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105476654] [2021-10-28 09:42:49,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105476654] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:49,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469658572] [2021-10-28 09:42:49,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 09:42:49,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:49,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:49,677 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:42:49,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (160)] Waiting until timeout for monitored process [2021-10-28 09:42:50,217 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-10-28 09:42:50,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:42:50,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-28 09:42:50,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 112 proven. 69 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-10-28 09:42:50,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469658572] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:50,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:42:50,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13] total 17 [2021-10-28 09:42:50,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111922066] [2021-10-28 09:42:50,515 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:42:50,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:50,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-28 09:42:50,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-10-28 09:42:50,516 INFO L87 Difference]: Start difference. First operand 184 states and 240 transitions. cyclomatic complexity: 61 Second operand has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 12 states have internal predecessors, (37), 9 states have call successors, (12), 3 states have call predecessors, (12), 8 states have return successors, (16), 10 states have call predecessors, (16), 8 states have call successors, (16) [2021-10-28 09:42:50,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:50,846 INFO L93 Difference]: Finished difference Result 216 states and 293 transitions. [2021-10-28 09:42:50,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-28 09:42:50,846 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 216 states and 293 transitions. [2021-10-28 09:42:50,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 41 [2021-10-28 09:42:50,852 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 216 states to 200 states and 266 transitions. [2021-10-28 09:42:50,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 133 [2021-10-28 09:42:50,853 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 133 [2021-10-28 09:42:50,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 200 states and 266 transitions. [2021-10-28 09:42:50,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:50,854 INFO L681 BuchiCegarLoop]: Abstraction has 200 states and 266 transitions. [2021-10-28 09:42:50,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states and 266 transitions. [2021-10-28 09:42:50,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 175. [2021-10-28 09:42:50,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 117 states have (on average 1.0854700854700854) internal successors, (127), 119 states have internal predecessors, (127), 36 states have call successors, (41), 24 states have call predecessors, (41), 22 states have return successors, (57), 31 states have call predecessors, (57), 29 states have call successors, (57) [2021-10-28 09:42:50,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 225 transitions. [2021-10-28 09:42:50,862 INFO L704 BuchiCegarLoop]: Abstraction has 175 states and 225 transitions. [2021-10-28 09:42:50,862 INFO L587 BuchiCegarLoop]: Abstraction has 175 states and 225 transitions. [2021-10-28 09:42:50,862 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 09:42:50,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 225 transitions. [2021-10-28 09:42:50,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 35 [2021-10-28 09:42:50,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:50,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:50,866 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [14, 13, 9, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2021-10-28 09:42:50,866 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [14, 13, 9, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4] [2021-10-28 09:42:50,866 INFO L791 eck$LassoCheckResult]: Stem: 8746#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 8747#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 8764#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 8765#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 8782#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 8783#ackermannENTRY ~m := #in~m;~n := #in~n; 8807#L17 assume !(0 == ~m); 8805#L20 assume !(0 == ~n); 8761#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8801#ackermannENTRY ~m := #in~m;~n := #in~n; 8802#L17 assume !(0 == ~m); 8795#L20 assume 0 == ~n; 8796#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8840#ackermannENTRY ~m := #in~m;~n := #in~n; 8838#L17 assume !(0 == ~m); 8839#L20 assume !(0 == ~n); 8781#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8844#ackermannENTRY ~m := #in~m;~n := #in~n; 8862#L17 assume !(0 == ~m); 8793#L20 assume 0 == ~n; 8794#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8840#ackermannENTRY ~m := #in~m;~n := #in~n; 8838#L17 assume !(0 == ~m); 8839#L20 assume !(0 == ~n); 8781#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8844#ackermannENTRY ~m := #in~m;~n := #in~n; 8862#L17 assume !(0 == ~m); 8793#L20 assume 0 == ~n; 8794#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8851#ackermannENTRY ~m := #in~m;~n := #in~n; 8879#L17 assume 0 == ~m;#res := 1 + ~n; 8877#ackermannFINAL assume true; 8875#ackermannEXIT >#43#return; 8874#L21-1 #res := #t~ret7;havoc #t~ret7; 8873#ackermannFINAL assume true; 8871#ackermannEXIT >#45#return; 8858#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8859#ackermannENTRY ~m := #in~m;~n := #in~n; 8868#L17 assume 0 == ~m;#res := 1 + ~n; 8867#ackermannFINAL assume true; 8857#ackermannEXIT >#47#return; 8855#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8853#ackermannFINAL assume true; 8850#ackermannEXIT >#43#return; 8847#L21-1 #res := #t~ret7;havoc #t~ret7; 8846#ackermannFINAL assume true; 8841#ackermannEXIT >#45#return; 8823#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8822#ackermannENTRY ~m := #in~m;~n := #in~n; 8824#L17 assume !(0 == ~m); 8914#L20 assume !(0 == ~n); 8772#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8819#ackermannENTRY ~m := #in~m;~n := #in~n; 8820#L17 assume !(0 == ~m); 8821#L20 assume !(0 == ~n); 8771#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8819#ackermannENTRY ~m := #in~m;~n := #in~n; 8818#L17 assume !(0 == ~m); 8817#L20 assume 0 == ~n; 8784#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8785#ackermannENTRY ~m := #in~m;~n := #in~n; 8885#L17 assume 0 == ~m;#res := 1 + ~n; 8815#ackermannFINAL assume true; 8883#ackermannEXIT >#43#return; 8884#L21-1 #res := #t~ret7;havoc #t~ret7; 8919#ackermannFINAL assume true; 8918#ackermannEXIT >#45#return; 8749#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8748#ackermannENTRY ~m := #in~m;~n := #in~n; 8752#L17 assume 0 == ~m;#res := 1 + ~n; 8773#ackermannFINAL assume true; 8898#ackermannEXIT >#47#return; 8899#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8920#ackermannFINAL assume true; 8901#ackermannEXIT >#45#return; 8750#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8748#ackermannENTRY ~m := #in~m;~n := #in~n; 8752#L17 assume 0 == ~m;#res := 1 + ~n; 8773#ackermannFINAL assume true; 8898#ackermannEXIT >#47#return; 8900#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8913#ackermannFINAL assume true; 8912#ackermannEXIT >#47#return; 8910#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8909#ackermannFINAL assume true; 8908#ackermannEXIT >#43#return; 8789#L21-1 #res := #t~ret7;havoc #t~ret7; 8790#ackermannFINAL assume true; 8766#ackermannEXIT >#45#return; 8768#L23-1 [2021-10-28 09:42:50,867 INFO L793 eck$LassoCheckResult]: Loop: 8768#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8833#ackermannENTRY ~m := #in~m;~n := #in~n; 8835#L17 assume !(0 == ~m); 8836#L20 assume !(0 == ~n); 8759#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8828#ackermannENTRY ~m := #in~m;~n := #in~n; 8830#L17 assume !(0 == ~m); 8854#L20 assume 0 == ~n; 8778#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8816#ackermannENTRY ~m := #in~m;~n := #in~n; 8814#L17 assume !(0 == ~m); 8775#L20 assume !(0 == ~n); 8779#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8845#ackermannENTRY ~m := #in~m;~n := #in~n; 8860#L17 assume !(0 == ~m); 8856#L20 assume 0 == ~n; 8777#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8816#ackermannENTRY ~m := #in~m;~n := #in~n; 8814#L17 assume !(0 == ~m); 8775#L20 assume !(0 == ~n); 8779#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8845#ackermannENTRY ~m := #in~m;~n := #in~n; 8860#L17 assume !(0 == ~m); 8856#L20 assume 0 == ~n; 8777#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8816#ackermannENTRY ~m := #in~m;~n := #in~n; 8814#L17 assume 0 == ~m;#res := 1 + ~n; 8815#ackermannFINAL assume true; 8883#ackermannEXIT >#43#return; 8882#L21-1 #res := #t~ret7;havoc #t~ret7; 8881#ackermannFINAL assume true; 8880#ackermannEXIT >#45#return; 8865#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8866#ackermannENTRY ~m := #in~m;~n := #in~n; 8878#L17 assume 0 == ~m;#res := 1 + ~n; 8876#ackermannFINAL assume true; 8864#ackermannEXIT >#47#return; 8863#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8852#ackermannFINAL assume true; 8848#ackermannEXIT >#43#return; 8847#L21-1 #res := #t~ret7;havoc #t~ret7; 8846#ackermannFINAL assume true; 8841#ackermannEXIT >#45#return; 8823#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8822#ackermannENTRY ~m := #in~m;~n := #in~n; 8824#L17 assume !(0 == ~m); 8914#L20 assume !(0 == ~n); 8772#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8819#ackermannENTRY ~m := #in~m;~n := #in~n; 8820#L17 assume !(0 == ~m); 8821#L20 assume !(0 == ~n); 8771#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 8819#ackermannENTRY ~m := #in~m;~n := #in~n; 8818#L17 assume !(0 == ~m); 8817#L20 assume 0 == ~n; 8784#L21 call #t~ret7 := ackermann(~m - 1, 1);< 8785#ackermannENTRY ~m := #in~m;~n := #in~n; 8885#L17 assume 0 == ~m;#res := 1 + ~n; 8815#ackermannFINAL assume true; 8883#ackermannEXIT >#43#return; 8884#L21-1 #res := #t~ret7;havoc #t~ret7; 8919#ackermannFINAL assume true; 8918#ackermannEXIT >#45#return; 8749#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8748#ackermannENTRY ~m := #in~m;~n := #in~n; 8752#L17 assume 0 == ~m;#res := 1 + ~n; 8773#ackermannFINAL assume true; 8898#ackermannEXIT >#47#return; 8899#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8920#ackermannFINAL assume true; 8901#ackermannEXIT >#45#return; 8750#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 8748#ackermannENTRY ~m := #in~m;~n := #in~n; 8752#L17 assume 0 == ~m;#res := 1 + ~n; 8773#ackermannFINAL assume true; 8898#ackermannEXIT >#47#return; 8900#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8913#ackermannFINAL assume true; 8912#ackermannEXIT >#47#return; 8910#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 8909#ackermannFINAL assume true; 8908#ackermannEXIT >#43#return; 8789#L21-1 #res := #t~ret7;havoc #t~ret7; 8790#ackermannFINAL assume true; 8766#ackermannEXIT >#45#return; 8768#L23-1 [2021-10-28 09:42:50,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:50,867 INFO L85 PathProgramCache]: Analyzing trace with hash 2095171192, now seen corresponding path program 6 times [2021-10-28 09:42:50,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:50,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933692317] [2021-10-28 09:42:50,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:50,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:50,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-10-28 09:42:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:50,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:50,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:50,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:51,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:51,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:42:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:51,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:51,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:51,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:42:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 139 proven. 101 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-10-28 09:42:51,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:51,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933692317] [2021-10-28 09:42:51,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933692317] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:51,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447354238] [2021-10-28 09:42:51,163 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-28 09:42:51,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:51,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:51,165 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:42:51,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Waiting until timeout for monitored process [2021-10-28 09:42:51,681 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-10-28 09:42:51,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:42:51,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-28 09:42:51,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 125 proven. 109 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-10-28 09:42:51,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447354238] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:51,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:42:51,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 18 [2021-10-28 09:42:51,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646381223] [2021-10-28 09:42:51,906 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:42:51,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:51,906 INFO L85 PathProgramCache]: Analyzing trace with hash -869926651, now seen corresponding path program 4 times [2021-10-28 09:42:51,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:51,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069884456] [2021-10-28 09:42:51,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:51,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:51,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-28 09:42:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:51,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:52,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:52,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:52,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:52,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:52,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:42:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:52,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:52,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:52,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:52,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:42:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:52,207 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 143 proven. 101 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-10-28 09:42:52,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:52,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069884456] [2021-10-28 09:42:52,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069884456] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:52,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422947272] [2021-10-28 09:42:52,208 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 09:42:52,208 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:52,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:52,213 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:42:52,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (162)] Waiting until timeout for monitored process [2021-10-28 09:42:52,757 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 09:42:52,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:42:52,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-28 09:42:52,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:53,036 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 129 proven. 109 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-10-28 09:42:53,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422947272] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:53,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:42:53,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 18 [2021-10-28 09:42:53,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694843343] [2021-10-28 09:42:53,037 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:42:53,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:53,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-28 09:42:53,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-10-28 09:42:53,038 INFO L87 Difference]: Start difference. First operand 175 states and 225 transitions. cyclomatic complexity: 55 Second operand has 18 states, 16 states have (on average 2.25) internal successors, (36), 13 states have internal predecessors, (36), 9 states have call successors, (11), 1 states have call predecessors, (11), 10 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) [2021-10-28 09:42:53,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:53,602 INFO L93 Difference]: Finished difference Result 221 states and 305 transitions. [2021-10-28 09:42:53,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-28 09:42:53,602 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 221 states and 305 transitions. [2021-10-28 09:42:53,606 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 40 [2021-10-28 09:42:53,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 221 states to 205 states and 279 transitions. [2021-10-28 09:42:53,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 146 [2021-10-28 09:42:53,610 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 146 [2021-10-28 09:42:53,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 205 states and 279 transitions. [2021-10-28 09:42:53,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:53,610 INFO L681 BuchiCegarLoop]: Abstraction has 205 states and 279 transitions. [2021-10-28 09:42:53,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states and 279 transitions. [2021-10-28 09:42:53,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 187. [2021-10-28 09:42:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 123 states have (on average 1.08130081300813) internal successors, (133), 125 states have internal predecessors, (133), 39 states have call successors, (44), 24 states have call predecessors, (44), 25 states have return successors, (69), 37 states have call predecessors, (69), 32 states have call successors, (69) [2021-10-28 09:42:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 246 transitions. [2021-10-28 09:42:53,619 INFO L704 BuchiCegarLoop]: Abstraction has 187 states and 246 transitions. [2021-10-28 09:42:53,619 INFO L587 BuchiCegarLoop]: Abstraction has 187 states and 246 transitions. [2021-10-28 09:42:53,620 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 09:42:53,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states and 246 transitions. [2021-10-28 09:42:53,621 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 36 [2021-10-28 09:42:53,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:53,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:53,624 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [16, 15, 10, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2021-10-28 09:42:53,624 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [59, 58, 35, 24, 24, 24, 24, 24, 23, 23, 11, 11, 11, 11] [2021-10-28 09:42:53,625 INFO L791 eck$LassoCheckResult]: Stem: 10364#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(14);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 10365#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet10;havoc main_#t~nondet10; 10380#L29 assume !(main_~m~0 < 0 || main_~m~0 > 3);main_~n~0 := main_#t~nondet11;havoc main_#t~nondet11; 10381#L35 assume !(main_~n~0 < 0 || main_~n~0 > 23); 10399#L41 call main_#t~ret12 := ackermann(main_~m~0, main_~n~0);< 10400#ackermannENTRY ~m := #in~m;~n := #in~n; 10425#L17 assume !(0 == ~m); 10423#L20 assume !(0 == ~n); 10405#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10419#ackermannENTRY ~m := #in~m;~n := #in~n; 10420#L17 assume !(0 == ~m); 10413#L20 assume 0 == ~n; 10414#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10465#ackermannENTRY ~m := #in~m;~n := #in~n; 10464#L17 assume !(0 == ~m); 10461#L20 assume !(0 == ~n); 10412#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10449#ackermannENTRY ~m := #in~m;~n := #in~n; 10466#L17 assume !(0 == ~m); 10411#L20 assume 0 == ~n; 10367#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10465#ackermannENTRY ~m := #in~m;~n := #in~n; 10464#L17 assume !(0 == ~m); 10461#L20 assume !(0 == ~n); 10412#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10449#ackermannENTRY ~m := #in~m;~n := #in~n; 10466#L17 assume !(0 == ~m); 10411#L20 assume 0 == ~n; 10367#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10366#ackermannENTRY ~m := #in~m;~n := #in~n; 10368#L17 assume 0 == ~m;#res := 1 + ~n; 10504#ackermannFINAL assume true; 10503#ackermannEXIT >#43#return; 10501#L21-1 #res := #t~ret7;havoc #t~ret7; 10500#ackermannFINAL assume true; 10486#ackermannEXIT >#45#return; 10483#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10484#ackermannENTRY ~m := #in~m;~n := #in~n; 10499#L17 assume 0 == ~m;#res := 1 + ~n; 10498#ackermannFINAL assume true; 10482#ackermannEXIT >#47#return; 10481#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10477#ackermannFINAL assume true; 10474#ackermannEXIT >#43#return; 10473#L21-1 #res := #t~ret7;havoc #t~ret7; 10472#ackermannFINAL assume true; 10468#ackermannEXIT >#45#return; 10469#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10514#ackermannENTRY ~m := #in~m;~n := #in~n; 10534#L17 assume !(0 == ~m); 10532#L20 assume !(0 == ~n); 10373#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10386#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10518#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10516#ackermannFINAL assume true; 10512#ackermannEXIT >#47#return; 10510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10509#ackermannFINAL assume true; 10507#ackermannEXIT >#43#return; 10404#L21-1 #res := #t~ret7;havoc #t~ret7; 10408#ackermannFINAL assume true; 10547#ackermannEXIT >#45#return; 10427#L23-1 [2021-10-28 09:42:53,625 INFO L793 eck$LassoCheckResult]: Loop: 10427#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10453#ackermannENTRY ~m := #in~m;~n := #in~n; 10454#L17 assume !(0 == ~m); 10540#L20 assume !(0 == ~n); 10374#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10457#L17 assume !(0 == ~m); 10480#L20 assume 0 == ~n; 10396#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume !(0 == ~m); 10393#L20 assume !(0 == ~n); 10397#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10471#ackermannENTRY ~m := #in~m;~n := #in~n; 10502#L17 assume !(0 == ~m); 10479#L20 assume 0 == ~n; 10395#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume !(0 == ~m); 10393#L20 assume !(0 == ~n); 10397#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10471#ackermannENTRY ~m := #in~m;~n := #in~n; 10502#L17 assume !(0 == ~m); 10479#L20 assume 0 == ~n; 10395#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10494#L21-1 #res := #t~ret7;havoc #t~ret7; 10493#ackermannFINAL assume true; 10491#ackermannEXIT >#45#return; 10488#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10489#ackermannENTRY ~m := #in~m;~n := #in~n; 10492#L17 assume 0 == ~m;#res := 1 + ~n; 10490#ackermannFINAL assume true; 10487#ackermannEXIT >#47#return; 10485#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10478#ackermannFINAL assume true; 10475#ackermannEXIT >#43#return; 10473#L21-1 #res := #t~ret7;havoc #t~ret7; 10472#ackermannFINAL assume true; 10468#ackermannEXIT >#45#return; 10469#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10514#ackermannENTRY ~m := #in~m;~n := #in~n; 10534#L17 assume !(0 == ~m); 10532#L20 assume !(0 == ~n); 10373#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10386#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10518#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10516#ackermannFINAL assume true; 10512#ackermannEXIT >#47#return; 10510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10509#ackermannFINAL assume true; 10507#ackermannEXIT >#43#return; 10404#L21-1 #res := #t~ret7;havoc #t~ret7; 10408#ackermannFINAL assume true; 10547#ackermannEXIT >#45#return; 10428#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10453#ackermannENTRY ~m := #in~m;~n := #in~n; 10454#L17 assume !(0 == ~m); 10540#L20 assume !(0 == ~n); 10374#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10457#L17 assume !(0 == ~m); 10480#L20 assume 0 == ~n; 10396#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume !(0 == ~m); 10393#L20 assume !(0 == ~n); 10397#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10471#ackermannENTRY ~m := #in~m;~n := #in~n; 10502#L17 assume !(0 == ~m); 10479#L20 assume 0 == ~n; 10395#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume !(0 == ~m); 10393#L20 assume !(0 == ~n); 10397#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10471#ackermannENTRY ~m := #in~m;~n := #in~n; 10502#L17 assume !(0 == ~m); 10479#L20 assume 0 == ~n; 10395#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10494#L21-1 #res := #t~ret7;havoc #t~ret7; 10493#ackermannFINAL assume true; 10491#ackermannEXIT >#45#return; 10488#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10489#ackermannENTRY ~m := #in~m;~n := #in~n; 10492#L17 assume 0 == ~m;#res := 1 + ~n; 10490#ackermannFINAL assume true; 10487#ackermannEXIT >#47#return; 10485#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10478#ackermannFINAL assume true; 10475#ackermannEXIT >#43#return; 10473#L21-1 #res := #t~ret7;havoc #t~ret7; 10472#ackermannFINAL assume true; 10468#ackermannEXIT >#45#return; 10469#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10514#ackermannENTRY ~m := #in~m;~n := #in~n; 10534#L17 assume !(0 == ~m); 10532#L20 assume !(0 == ~n); 10373#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10386#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10518#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10516#ackermannFINAL assume true; 10512#ackermannEXIT >#47#return; 10510#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10509#ackermannFINAL assume true; 10507#ackermannEXIT >#43#return; 10404#L21-1 #res := #t~ret7;havoc #t~ret7; 10408#ackermannFINAL assume true; 10547#ackermannEXIT >#45#return; 10428#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10453#ackermannENTRY ~m := #in~m;~n := #in~n; 10454#L17 assume !(0 == ~m); 10540#L20 assume !(0 == ~n); 10374#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10456#L17 assume !(0 == ~m); 10460#L20 assume !(0 == ~n); 10377#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10455#ackermannENTRY ~m := #in~m;~n := #in~n; 10457#L17 assume !(0 == ~m); 10480#L20 assume 0 == ~n; 10396#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10437#ackermannENTRY ~m := #in~m;~n := #in~n; 10435#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10387#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10528#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10538#ackermannFINAL assume true; 10523#ackermannEXIT >#47#return; 10524#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10548#ackermannFINAL assume true; 10470#ackermannEXIT >#45#return; 10446#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10443#ackermannENTRY ~m := #in~m;~n := #in~n; 10448#L17 assume !(0 == ~m); 10541#L20 assume !(0 == ~n); 10375#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10387#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10528#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10538#ackermannFINAL assume true; 10523#ackermannEXIT >#47#return; 10525#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10543#ackermannFINAL assume true; 10529#ackermannEXIT >#45#return; 10447#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10443#ackermannENTRY ~m := #in~m;~n := #in~n; 10448#L17 assume !(0 == ~m); 10541#L20 assume !(0 == ~n); 10375#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10441#L17 assume !(0 == ~m); 10442#L20 assume !(0 == ~n); 10378#L23 call #t~ret8 := ackermann(~m, ~n - 1);< 10440#ackermannENTRY ~m := #in~m;~n := #in~n; 10439#L17 assume !(0 == ~m); 10438#L20 assume 0 == ~n; 10401#L21 call #t~ret7 := ackermann(~m - 1, 1);< 10402#ackermannENTRY ~m := #in~m;~n := #in~n; 10497#L17 assume 0 == ~m;#res := 1 + ~n; 10436#ackermannFINAL assume true; 10495#ackermannEXIT >#43#return; 10496#L21-1 #res := #t~ret7;havoc #t~ret7; 10550#ackermannFINAL assume true; 10549#ackermannEXIT >#45#return; 10383#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10403#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10372#ackermannFINAL assume true; 10379#ackermannEXIT >#45#return; 10382#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10527#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10544#ackermannFINAL assume true; 10530#ackermannEXIT >#45#return; 10387#L23-1 call #t~ret9 := ackermann(~m - 1, #t~ret8);< 10384#ackermannENTRY ~m := #in~m;~n := #in~n; 10385#L17 assume 0 == ~m;#res := 1 + ~n; 10388#ackermannFINAL assume true; 10526#ackermannEXIT >#47#return; 10528#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10538#ackermannFINAL assume true; 10523#ackermannEXIT >#47#return; 10522#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10537#ackermannFINAL assume true; 10519#ackermannEXIT >#47#return; 10520#L23-2 #res := #t~ret9;havoc #t~ret8;havoc #t~ret9; 10546#ackermannFINAL assume true; 10545#ackermannEXIT >#45#return; 10427#L23-1 [2021-10-28 09:42:53,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:53,627 INFO L85 PathProgramCache]: Analyzing trace with hash 478890302, now seen corresponding path program 7 times [2021-10-28 09:42:53,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:53,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591619446] [2021-10-28 09:42:53,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:53,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:53,652 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:42:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:42:53,679 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:42:53,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:53,680 INFO L85 PathProgramCache]: Analyzing trace with hash 888511461, now seen corresponding path program 5 times [2021-10-28 09:42:53,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:53,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975783863] [2021-10-28 09:42:53,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:53,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:53,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-28 09:42:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:42:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:42:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:42:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-10-28 09:42:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:42:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:42:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:42:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-10-28 09:42:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:42:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:42:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-10-28 09:42:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:42:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:42:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-10-28 09:42:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:42:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:42:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:42:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:54,884 INFO L134 CoverageAnalysis]: Checked inductivity of 8238 backedges. 1382 proven. 1901 refuted. 0 times theorem prover too weak. 4955 trivial. 0 not checked. [2021-10-28 09:42:54,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:54,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975783863] [2021-10-28 09:42:54,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975783863] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:54,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446384360] [2021-10-28 09:42:54,885 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-28 09:42:54,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:54,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:54,890 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:42:54,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (163)] Waiting until timeout for monitored process [2021-10-28 09:42:55,461 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-10-28 09:42:55,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:42:55,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-28 09:42:55,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:56,558 INFO L134 CoverageAnalysis]: Checked inductivity of 8238 backedges. 787 proven. 1614 refuted. 0 times theorem prover too weak. 5837 trivial. 0 not checked. [2021-10-28 09:42:56,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446384360] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:56,559 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:42:56,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 21] total 35 [2021-10-28 09:42:56,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911968264] [2021-10-28 09:42:56,561 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:42:56,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:56,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-10-28 09:42:56,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1076, Unknown=0, NotChecked=0, Total=1190 [2021-10-28 09:42:56,562 INFO L87 Difference]: Start difference. First operand 187 states and 246 transitions. cyclomatic complexity: 64 Second operand has 35 states, 25 states have (on average 2.16) internal successors, (54), 20 states have internal predecessors, (54), 18 states have call successors, (22), 1 states have call predecessors, (22), 18 states have return successors, (42), 28 states have call predecessors, (42), 18 states have call successors, (42) [2021-10-28 09:42:59,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:59,096 INFO L93 Difference]: Finished difference Result 343 states and 494 transitions. [2021-10-28 09:42:59,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-10-28 09:42:59,096 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 343 states and 494 transitions. [2021-10-28 09:42:59,102 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 57 [2021-10-28 09:42:59,107 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 343 states to 308 states and 429 transitions. [2021-10-28 09:42:59,107 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 229 [2021-10-28 09:42:59,108 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 232 [2021-10-28 09:42:59,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 308 states and 429 transitions. [2021-10-28 09:42:59,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:42:59,108 INFO L681 BuchiCegarLoop]: Abstraction has 308 states and 429 transitions. [2021-10-28 09:42:59,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states and 429 transitions. [2021-10-28 09:42:59,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 260. [2021-10-28 09:42:59,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 167 states have (on average 1.0658682634730539) internal successors, (178), 170 states have internal predecessors, (178), 56 states have call successors, (61), 30 states have call predecessors, (61), 37 states have return successors, (104), 59 states have call predecessors, (104), 48 states have call successors, (104) [2021-10-28 09:42:59,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 343 transitions. [2021-10-28 09:42:59,120 INFO L704 BuchiCegarLoop]: Abstraction has 260 states and 343 transitions. [2021-10-28 09:42:59,120 INFO L587 BuchiCegarLoop]: Abstraction has 260 states and 343 transitions. [2021-10-28 09:42:59,120 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-28 09:42:59,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 343 transitions. [2021-10-28 09:42:59,122 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 41 [2021-10-28 09:42:59,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:42:59,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:42:59,137 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] [2021-10-28 09:42:59,137 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [334, 333, 190, 144, 144, 144, 144, 144, 143, 143, 46, 46, 46, 46] [2021-10-28 09:42:59,138 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 [2021-10-28 09:42:59,140 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 [2021-10-28 09:42:59,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:59,142 INFO L85 PathProgramCache]: Analyzing trace with hash -358725784, now seen corresponding path program 8 times [2021-10-28 09:42:59,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:59,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190446171] [2021-10-28 09:42:59,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:59,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:59,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-10-28 09:42:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:59,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:42:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:43:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-10-28 09:43:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:43:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-10-28 09:43:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-10-28 09:43:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-10-28 09:43:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:00,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 10643 backedges. 1002 proven. 2417 refuted. 0 times theorem prover too weak. 7224 trivial. 0 not checked. [2021-10-28 09:43:01,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:43:01,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190446171] [2021-10-28 09:43:01,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190446171] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:43:01,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766885257] [2021-10-28 09:43:01,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 09:43:01,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:43:01,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:43:01,013 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:43:01,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (164)] Waiting until timeout for monitored process [2021-10-28 09:43:01,820 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 09:43:01,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:43:01,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-28 09:43:01,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:43:02,794 INFO L134 CoverageAnalysis]: Checked inductivity of 10643 backedges. 372 proven. 1768 refuted. 0 times theorem prover too weak. 8503 trivial. 0 not checked. [2021-10-28 09:43:02,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766885257] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:43:02,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:43:02,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 10] total 34 [2021-10-28 09:43:02,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621849322] [2021-10-28 09:43:02,795 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:43:02,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:02,796 INFO L85 PathProgramCache]: Analyzing trace with hash 853391365, now seen corresponding path program 6 times [2021-10-28 09:43:02,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:43:02,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810305733] [2021-10-28 09:43:02,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:02,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:43:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:05,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-28 09:43:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:43:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-10-28 09:43:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:43:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-10-28 09:43:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-10-28 09:43:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-10-28 09:43:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-10-28 09:43:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:09,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:43:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-10-28 09:43:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:43:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-10-28 09:43:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:10,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-10-28 09:43:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-10-28 09:43:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-10-28 09:43:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:43:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-10-28 09:43:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-10-28 09:43:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-10-28 09:43:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2021-10-28 09:43:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:43:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-10-28 09:43:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-10-28 09:43:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-10-28 09:43:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2021-10-28 09:43:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:43:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-10-28 09:43:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-10-28 09:43:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-10-28 09:43:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1327 [2021-10-28 09:43:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-10-28 09:43:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-10-28 09:43:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-10-28 09:43:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-10-28 09:43:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 09:43:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-10-28 09:43:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-10-28 09:43:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-10-28 09:43:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-10-28 09:43:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:12,604 INFO L134 CoverageAnalysis]: Checked inductivity of 272548 backedges. 1923 proven. 16966 refuted. 0 times theorem prover too weak. 253659 trivial. 0 not checked. [2021-10-28 09:43:12,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:43:12,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810305733] [2021-10-28 09:43:12,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810305733] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:43:12,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323580771] [2021-10-28 09:43:12,605 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-28 09:43:12,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:43:12,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:43:12,609 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:43:12,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (165)] Waiting until timeout for monitored process [2021-10-28 09:43:13,868 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2021-10-28 09:43:13,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:43:13,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 43 conjunts are in the unsatisfiable core [2021-10-28 09:43:13,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:43:18,066 INFO L134 CoverageAnalysis]: Checked inductivity of 272548 backedges. 65003 proven. 423 refuted. 0 times theorem prover too weak. 207122 trivial. 0 not checked. [2021-10-28 09:43:18,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323580771] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:43:18,067 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:43:18,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 29 [2021-10-28 09:43:18,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603799871] [2021-10-28 09:43:18,072 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:43:18,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:43:18,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-10-28 09:43:18,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1013, Unknown=0, NotChecked=0, Total=1122 [2021-10-28 09:43:18,074 INFO L87 Difference]: Start difference. First operand 260 states and 343 transitions. cyclomatic complexity: 89 Second operand has 34 states, 30 states have (on average 2.1666666666666665) internal successors, (65), 24 states have internal predecessors, (65), 18 states have call successors, (21), 2 states have call predecessors, (21), 18 states have return successors, (35), 20 states have call predecessors, (35), 17 states have call successors, (35) [2021-10-28 09:43:21,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:21,412 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2021-10-28 09:43:21,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-10-28 09:43:21,412 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 241 transitions. [2021-10-28 09:43:21,415 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:43:21,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 0 states and 0 transitions. [2021-10-28 09:43:21,416 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:43:21,416 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:43:21,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:43:21,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:43:21,416 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:43:21,416 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:43:21,417 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:43:21,417 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-28 09:43:21,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:43:21,417 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:43:21,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:43:21,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:43:21 BoogieIcfgContainer [2021-10-28 09:43:21,425 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:43:21,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:43:21,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:43:21,426 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:43:21,427 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:42:11" (3/4) ... [2021-10-28 09:43:21,429 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:43:21,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:43:21,431 INFO L168 Benchmark]: Toolchain (without parser) took 70630.11 ms. Allocated memory was 92.3 MB in the beginning and 813.7 MB in the end (delta: 721.4 MB). Free memory was 59.4 MB in the beginning and 249.7 MB in the end (delta: -190.3 MB). Peak memory consumption was 531.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:43:21,431 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 47.0 MB in the beginning and 46.9 MB in the end (delta: 53.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:43:21,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.16 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 59.3 MB in the beginning and 96.1 MB in the end (delta: -36.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:43:21,432 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.95 ms. Allocated memory is still 119.5 MB. Free memory was 96.1 MB in the beginning and 94.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:43:21,433 INFO L168 Benchmark]: Boogie Preprocessor took 40.70 ms. Allocated memory is still 119.5 MB. Free memory was 94.5 MB in the beginning and 93.6 MB in the end (delta: 884.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:43:21,433 INFO L168 Benchmark]: RCFGBuilder took 344.43 ms. Allocated memory is still 119.5 MB. Free memory was 93.6 MB in the beginning and 84.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:43:21,434 INFO L168 Benchmark]: BuchiAutomizer took 69866.10 ms. Allocated memory was 119.5 MB in the beginning and 813.7 MB in the end (delta: 694.2 MB). Free memory was 84.0 MB in the beginning and 249.7 MB in the end (delta: -165.7 MB). Peak memory consumption was 529.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:43:21,434 INFO L168 Benchmark]: Witness Printer took 3.78 ms. Allocated memory is still 813.7 MB. Free memory is still 249.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:43:21,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 47.0 MB in the beginning and 46.9 MB in the end (delta: 53.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 327.16 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 59.3 MB in the beginning and 96.1 MB in the end (delta: -36.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.95 ms. Allocated memory is still 119.5 MB. Free memory was 96.1 MB in the beginning and 94.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.70 ms. Allocated memory is still 119.5 MB. Free memory was 94.5 MB in the beginning and 93.6 MB in the end (delta: 884.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 344.43 ms. Allocated memory is still 119.5 MB. Free memory was 93.6 MB in the beginning and 84.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 69866.10 ms. Allocated memory was 119.5 MB in the beginning and 813.7 MB in the end (delta: 694.2 MB). Free memory was 84.0 MB in the beginning and 249.7 MB in the end (delta: -165.7 MB). Peak memory consumption was 529.9 MB. Max. memory is 16.1 GB. * Witness Printer took 3.78 ms. Allocated memory is still 813.7 MB. Free memory is still 249.7 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 69.8s and 16 iterations. TraceHistogramMax:334. Analysis of lassos took 53.0s. Construction of modules took 3.1s. Büchi inclusion checks took 13.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 15. Automata minimization 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 199 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 260 states and ocurred in iteration 14. Nontrivial modules had stage [1, 3, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 7/12 HoareTripleCheckerStatistics: 414 SDtfs, 728 SDslu, 1171 SDs, 0 SdLazy, 4351 SolverSat, 1797 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s 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: 49ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 41 LassoNonterminationAnalysisSatUnbounded: 6 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 10.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:43:21,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (165)] Ended with exit code 0 [2021-10-28 09:43:21,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (164)] Ended with exit code 0 [2021-10-28 09:43:21,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (163)] Ended with exit code 0 [2021-10-28 09:43:22,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (162)] Ended with exit code 0 [2021-10-28 09:43:22,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Ended with exit code 0 [2021-10-28 09:43:22,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (160)] Ended with exit code 0 [2021-10-28 09:43:22,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (159)] Forceful destruction successful, exit code 0 [2021-10-28 09:43:22,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (144)] Ended with exit code 0 [2021-10-28 09:43:23,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (143)] Forceful destruction successful, exit code 0 [2021-10-28 09:43:23,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (142)] Ended with exit code 0 [2021-10-28 09:43:23,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (134)] Forceful destruction successful, exit code 0 [2021-10-28 09:43:23,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (126)] Ended with exit code 0 [2021-10-28 09:43:23,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93d8c57-98d4-4d66-8ee5-87e1a15e2908/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...