./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i --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_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e27d2e3e94b55a3b3138a7f2b03714931363cb725f69630c5958681cf34de99e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:49:31,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:49:31,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:49:31,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:49:31,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:49:31,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:49:31,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:49:31,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:49:31,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:49:31,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:49:31,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:49:31,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:49:31,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:49:31,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:49:31,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:49:31,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:49:31,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:49:31,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:49:31,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:49:31,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:49:31,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:49:31,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:49:31,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:49:31,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:49:31,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:49:31,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:49:31,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:49:31,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:49:31,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:49:31,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:49:31,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:49:31,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:49:31,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:49:31,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:49:31,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:49:31,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:49:31,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:49:31,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:49:31,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:49:31,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:49:31,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:49:31,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 22:49:31,245 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:49:31,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:49:31,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:49:31,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:49:31,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:49:31,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:49:31,247 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:49:31,247 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:49:31,250 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:49:31,251 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:49:31,251 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:49:31,251 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:49:31,251 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:49:31,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:49:31,252 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:49:31,252 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:49:31,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:49:31,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:49:31,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:49:31,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:49:31,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:49:31,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:49:31,257 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:49:31,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:49:31,264 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:49:31,264 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:49:31,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:49:31,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:49:31,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:49:31,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:49:31,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:49:31,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:49:31,267 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:49:31,267 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_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e27d2e3e94b55a3b3138a7f2b03714931363cb725f69630c5958681cf34de99e [2021-10-28 22:49:31,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:49:31,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:49:31,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:49:31,559 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:49:31,560 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:49:31,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2021-10-28 22:49:31,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/data/bca681bb0/92988e52e12b40f494c491d18f1b243c/FLAG6c99fe125 [2021-10-28 22:49:32,169 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:49:32,169 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/sv-benchmarks/c/array-memsafety/openbsd_cstrspn-alloca-2.i [2021-10-28 22:49:32,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/data/bca681bb0/92988e52e12b40f494c491d18f1b243c/FLAG6c99fe125 [2021-10-28 22:49:32,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/data/bca681bb0/92988e52e12b40f494c491d18f1b243c [2021-10-28 22:49:32,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:49:32,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:49:32,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:49:32,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:49:32,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:49:32,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59cd2c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32, skipping insertion in model container [2021-10-28 22:49:32,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:49:32,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:49:32,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:49:32,900 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:49:32,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:49:32,972 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:49:32,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32 WrapperNode [2021-10-28 22:49:32,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:49:32,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:49:32,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:49:32,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:49:32,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:33,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:49:33,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:49:33,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:49:33,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:49:33,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:33,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:33,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:33,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:33,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:33,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:33,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:33,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:49:33,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:49:33,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:49:33,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:49:33,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:33,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:33,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:33,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:33,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:49:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 22:49:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 22:49:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:49:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:49:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:49:33,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:49:33,433 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:49:33,433 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 22:49:33,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:33 BoogieIcfgContainer [2021-10-28 22:49:33,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:49:33,439 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:49:33,439 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:49:33,443 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:49:33,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:49:33,460 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:49:32" (1/3) ... [2021-10-28 22:49:33,468 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35b92bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:49:33, skipping insertion in model container [2021-10-28 22:49:33,468 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:49:33,468 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (2/3) ... [2021-10-28 22:49:33,469 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35b92bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:49:33, skipping insertion in model container [2021-10-28 22:49:33,469 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:49:33,469 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:33" (3/3) ... [2021-10-28 22:49:33,471 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrspn-alloca-2.i [2021-10-28 22:49:33,534 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:49:33,534 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:49:33,534 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:49:33,534 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:49:33,534 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:49:33,534 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:49:33,535 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:49:33,535 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:49:33,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:33,586 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 22:49:33,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:33,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:33,593 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 22:49:33,594 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:33,594 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 22:49:33,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:33,599 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 22:49:33,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:33,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:33,600 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 22:49:33,600 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:33,608 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 14#L528true assume !(main_~length1~0 < 1); 9#L528-2true assume !(main_~length2~0 < 1); 15#L531-1true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 8#L537-3true [2021-10-28 22:49:33,608 INFO L793 eck$LassoCheckResult]: Loop: 8#L537-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet11, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet11; 17#L537-2true main_#t~post10 := main_~i~0;main_~i~0 := 1 + main_#t~post10;havoc main_#t~post10; 8#L537-3true [2021-10-28 22:49:33,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:33,626 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-28 22:49:33,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:33,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996928895] [2021-10-28 22:49:33,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:33,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:33,775 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:33,836 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:33,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:33,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-10-28 22:49:33,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:33,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382708374] [2021-10-28 22:49:33,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:33,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:33,862 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:33,886 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:33,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:33,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-10-28 22:49:33,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:33,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237300115] [2021-10-28 22:49:33,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:33,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:33,923 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:33,944 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:34,476 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:49:34,477 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:49:34,477 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:49:34,477 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:49:34,477 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:49:34,478 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:34,478 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:49:34,478 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:49:34,478 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration1_Lasso [2021-10-28 22:49:34,478 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:49:34,479 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:49:34,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,517 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 22:49:34,520 INFO 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 22:49:34,522 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 22:49:34,525 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 22:49:34,527 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 22:49:34,530 INFO 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 22:49:34,533 INFO 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 22:49:34,535 INFO 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 22:49:34,538 INFO 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 22:49:34,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,543 INFO 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 22:49:34,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,931 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:49:34,935 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:49:34,937 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:34,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:34,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:34,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:34,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:34,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:34,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:34,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:34,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:34,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:34,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 22:49:34,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,024 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,028 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:35,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:35,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:35,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:35,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 22:49:35,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,100 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:35,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 22:49:35,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:35,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:35,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:35,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,162 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:35,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:35,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:35,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:35,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 22:49:35,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,225 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:35,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 22:49:35,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:35,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:35,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:35,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-28 22:49:35,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,258 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 22:49:35,261 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 22:49:35,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:35,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:35,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,309 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:35,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:35,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:35,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 22:49:35,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,394 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 22:49:35,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:35,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:35,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:35,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:35,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 22:49:35,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,451 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 22:49:35,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:35,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:35,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:35,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,540 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 22:49:35,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:35,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:35,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:35,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:35,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,612 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:35,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:35,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:35,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 22:49:35,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,685 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:35,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:35,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:35,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:35,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 22:49:35,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,751 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,752 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 22:49:35,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:35,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:35,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:35,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:35,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,808 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:35,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 22:49:35,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:35,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:35,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:35,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-28 22:49:35,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,852 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 22:49:35,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:35,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:35,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:35,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,911 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 22:49:35,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:35,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:35,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:35,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,987 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 22:49:35,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:36,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:36,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:36,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:36,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:36,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:36,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:36,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:36,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:36,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:36,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:36,080 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:36,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 22:49:36,086 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 22:49:36,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:36,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:36,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:36,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:36,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:36,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:36,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:36,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:36,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:36,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:36,164 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:36,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 22:49:36,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:36,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:36,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:36,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:36,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:36,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:36,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:36,223 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:49:36,271 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 22:49:36,272 INFO L444 ModelExtractionUtils]: 10 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-28 22:49:36,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:36,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:36,287 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:36,314 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:49:36,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 22:49:36,336 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:49:36,336 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:49:36,337 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-28 22:49:36,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:36,407 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-28 22:49:36,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:36,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:49:36,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:36,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:49:36,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:36,525 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 22:49:36,539 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 22:49:36,541 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:36,595 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 67 transitions. Complement of second has 7 states. [2021-10-28 22:49:36,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:36,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2021-10-28 22:49:36,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 22:49:36,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:36,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 22:49:36,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:36,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-28 22:49:36,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:36,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 67 transitions. [2021-10-28 22:49:36,615 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 22:49:36,620 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 16 states and 22 transitions. [2021-10-28 22:49:36,621 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 22:49:36,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 22:49:36,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2021-10-28 22:49:36,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:36,622 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-10-28 22:49:36,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2021-10-28 22:49:36,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-28 22:49:36,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:36,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2021-10-28 22:49:36,649 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-10-28 22:49:36,649 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-10-28 22:49:36,649 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 22:49:36,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2021-10-28 22:49:36,652 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 22:49:36,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:36,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:36,653 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:36,653 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:36,653 INFO L791 eck$LassoCheckResult]: Stem: 140#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 141#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 151#L528 assume !(main_~length1~0 < 1); 149#L528-2 assume !(main_~length2~0 < 1); 150#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 146#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 144#L537-4 main_~i~1 := 0; 145#L541-3 [2021-10-28 22:49:36,653 INFO L793 eck$LassoCheckResult]: Loop: 145#L541-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet13; 155#L541-2 main_#t~post12 := main_~i~1;main_~i~1 := 1 + main_#t~post12;havoc main_#t~post12; 145#L541-3 [2021-10-28 22:49:36,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:36,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-10-28 22:49:36,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:36,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268034543] [2021-10-28 22:49:36,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:36,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:36,693 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:36,713 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:36,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:36,718 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-10-28 22:49:36,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:36,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890940051] [2021-10-28 22:49:36,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:36,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:36,729 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:36,743 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:36,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:36,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-10-28 22:49:36,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:36,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663552819] [2021-10-28 22:49:36,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:36,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:36,765 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:36,809 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:37,149 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:49:37,149 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:49:37,149 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:49:37,149 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:49:37,149 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:49:37,149 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:37,150 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:49:37,150 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:49:37,150 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration2_Lasso [2021-10-28 22:49:37,150 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:49:37,150 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:49:37,153 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 22:49:37,156 INFO 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 22:49:37,159 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 22:49:37,161 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 22:49:37,164 INFO 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 22:49:37,166 INFO 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 22:49:37,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,284 INFO 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 22:49:37,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,291 INFO 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 22:49:37,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,298 INFO 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 22:49:37,301 INFO 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 22:49:37,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:37,597 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:49:37,597 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:49:37,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:37,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:37,601 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:37,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:37,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:37,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:37,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:37,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:37,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:37,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:37,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:37,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 22:49:37,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:37,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:37,663 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:37,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:37,664 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:37,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:37,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:37,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:37,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:37,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:37,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:37,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:37,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 22:49:37,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:37,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:37,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:37,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:37,732 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:37,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:37,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:37,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:37,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:37,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:37,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:37,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:37,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:37,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 22:49:37,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:37,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:37,796 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:37,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:37,798 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:37,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:37,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:37,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:37,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:37,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:37,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:37,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:37,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 22:49:37,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:37,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:37,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:37,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:37,861 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:37,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:37,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:37,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:37,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:37,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:37,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:37,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:37,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 22:49:37,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:37,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:37,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:37,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:37,924 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:37,927 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 22:49:37,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:37,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:37,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:37,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:37,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:37,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:37,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 22:49:37,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:37,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:37,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:37,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:37,991 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:37,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:38,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:38,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:38,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:38,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:38,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:38,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:38,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:38,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 22:49:38,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:38,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:38,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:38,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:38,053 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:38,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:38,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:38,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:38,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:38,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:38,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:38,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:38,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 22:49:38,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:38,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:38,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:38,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:38,118 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:38,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:38,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:38,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:38,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:38,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:38,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:38,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:38,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 22:49:38,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:38,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:38,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:38,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:38,197 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:38,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:38,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 22:49:38,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:38,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:38,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:38,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:38,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:38,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:38,233 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:49:38,262 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-28 22:49:38,262 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 22:49:38,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:38,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:38,263 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:38,272 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:49:38,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 22:49:38,306 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:49:38,306 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:49:38,306 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_1, ULTIMATE.start_main_~nondetString2~0.offset) = -1*ULTIMATE.start_main_~i~1 + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_1 - 1*ULTIMATE.start_main_~nondetString2~0.offset Supporting invariants [] [2021-10-28 22:49:38,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:38,357 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-28 22:49:38,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:38,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:49:38,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:38,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:49:38,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:38,441 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 22:49:38,443 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 22:49:38,443 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:38,474 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 34 transitions. Complement of second has 6 states. [2021-10-28 22:49:38,475 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 22:49:38,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:38,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-10-28 22:49:38,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 22:49:38,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:38,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-28 22:49:38,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:38,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-28 22:49:38,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:38,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 34 transitions. [2021-10-28 22:49:38,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:49:38,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 17 states and 24 transitions. [2021-10-28 22:49:38,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 22:49:38,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 22:49:38,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2021-10-28 22:49:38,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:38,484 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-10-28 22:49:38,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2021-10-28 22:49:38,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-10-28 22:49:38,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2021-10-28 22:49:38,492 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-10-28 22:49:38,492 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-10-28 22:49:38,492 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 22:49:38,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2021-10-28 22:49:38,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:49:38,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:38,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:38,497 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:38,497 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:49:38,498 INFO L791 eck$LassoCheckResult]: Stem: 253#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 254#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 264#L528 assume !(main_~length1~0 < 1); 262#L528-2 assume !(main_~length2~0 < 1); 263#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 259#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 257#L537-4 main_~i~1 := 0; 258#L541-3 assume !(main_~i~1 < main_~length2~0 - 1); 265#L541-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_#t~post4.base, cstrspn_#t~post4.offset, cstrspn_#t~mem5, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~p~0.base, cstrspn_~p~0.offset, cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset, cstrspn_~c~0, cstrspn_~sc~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset;havoc cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;havoc cstrspn_~c~0;havoc cstrspn_~sc~0; 266#L522 [2021-10-28 22:49:38,498 INFO L793 eck$LassoCheckResult]: Loop: 266#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 255#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 256#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 267#L521 assume cstrspn_~sc~0 == cstrspn_~c~0; 266#L522 [2021-10-28 22:49:38,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:38,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2021-10-28 22:49:38,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:38,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809783081] [2021-10-28 22:49:38,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:38,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:38,535 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:38,568 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:38,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:38,572 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 1 times [2021-10-28 22:49:38,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:38,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577439779] [2021-10-28 22:49:38,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:38,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:38,579 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:38,585 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:38,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:38,586 INFO L85 PathProgramCache]: Analyzing trace with hash -587636803, now seen corresponding path program 1 times [2021-10-28 22:49:38,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:38,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169294197] [2021-10-28 22:49:38,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:38,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:38,798 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 22:49:38,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:38,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169294197] [2021-10-28 22:49:38,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169294197] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:38,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:38,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 22:49:38,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025819756] [2021-10-28 22:49:38,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:38,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 22:49:38,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:49:38,943 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:39,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:39,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:49:39,082 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2021-10-28 22:49:39,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:49:39,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2021-10-28 22:49:39,083 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:49:39,084 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 38 transitions. [2021-10-28 22:49:39,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-10-28 22:49:39,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-10-28 22:49:39,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 38 transitions. [2021-10-28 22:49:39,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:39,085 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2021-10-28 22:49:39,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 38 transitions. [2021-10-28 22:49:39,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2021-10-28 22:49:39,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 25 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:39,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2021-10-28 22:49:39,088 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2021-10-28 22:49:39,088 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2021-10-28 22:49:39,088 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 22:49:39,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2021-10-28 22:49:39,088 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 22:49:39,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:39,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:39,089 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:39,089 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:49:39,089 INFO L791 eck$LassoCheckResult]: Stem: 320#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 321#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 332#L528 assume !(main_~length1~0 < 1); 330#L528-2 assume !(main_~length2~0 < 1); 331#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 326#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 324#L537-4 main_~i~1 := 0; 325#L541-3 assume !(main_~i~1 < main_~length2~0 - 1); 333#L541-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_#t~post4.base, cstrspn_#t~post4.offset, cstrspn_#t~mem5, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~p~0.base, cstrspn_~p~0.offset, cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset, cstrspn_~c~0, cstrspn_~sc~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset;havoc cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;havoc cstrspn_~c~0;havoc cstrspn_~sc~0; 334#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 336#L520-3 [2021-10-28 22:49:39,089 INFO L793 eck$LassoCheckResult]: Loop: 336#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 343#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 335#L521 assume !(cstrspn_~sc~0 == cstrspn_~c~0); 336#L520-3 [2021-10-28 22:49:39,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:39,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220887, now seen corresponding path program 1 times [2021-10-28 22:49:39,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:39,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143250174] [2021-10-28 22:49:39,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:39,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,115 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,140 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:39,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:39,145 INFO L85 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 1 times [2021-10-28 22:49:39,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:39,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915516859] [2021-10-28 22:49:39,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:39,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,151 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,160 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:39,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:39,161 INFO L85 PathProgramCache]: Analyzing trace with hash -587636801, now seen corresponding path program 1 times [2021-10-28 22:49:39,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:39,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545236394] [2021-10-28 22:49:39,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:39,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:39,336 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 22:49:39,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:39,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545236394] [2021-10-28 22:49:39,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545236394] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:39,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:39,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 22:49:39,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357946934] [2021-10-28 22:49:39,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:39,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 22:49:39,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:49:39,408 INFO L87 Difference]: Start difference. First operand 26 states and 35 transitions. cyclomatic complexity: 14 Second operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:39,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:49:39,531 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2021-10-28 22:49:39,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:49:39,531 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 43 transitions. [2021-10-28 22:49:39,532 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 22:49:39,532 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 28 states and 35 transitions. [2021-10-28 22:49:39,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-28 22:49:39,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-28 22:49:39,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2021-10-28 22:49:39,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:39,533 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2021-10-28 22:49:39,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2021-10-28 22:49:39,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2021-10-28 22:49:39,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:39,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2021-10-28 22:49:39,536 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-10-28 22:49:39,536 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-10-28 22:49:39,536 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 22:49:39,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2021-10-28 22:49:39,536 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 22:49:39,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:39,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:39,537 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:39,537 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:49:39,537 INFO L791 eck$LassoCheckResult]: Stem: 404#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 405#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 416#L528 assume !(main_~length1~0 < 1); 414#L528-2 assume !(main_~length2~0 < 1); 415#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 410#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 408#L537-4 main_~i~1 := 0; 409#L541-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet13; 429#L541-2 main_#t~post12 := main_~i~1;main_~i~1 := 1 + main_#t~post12;havoc main_#t~post12; 428#L541-3 assume !(main_~i~1 < main_~length2~0 - 1); 427#L541-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_#t~post4.base, cstrspn_#t~post4.offset, cstrspn_#t~mem5, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~p~0.base, cstrspn_~p~0.offset, cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset, cstrspn_~c~0, cstrspn_~sc~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset;havoc cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;havoc cstrspn_~c~0;havoc cstrspn_~sc~0; 426#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 420#L520-3 [2021-10-28 22:49:39,537 INFO L793 eck$LassoCheckResult]: Loop: 420#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 425#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 419#L521 assume !(cstrspn_~sc~0 == cstrspn_~c~0); 420#L520-3 [2021-10-28 22:49:39,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:39,538 INFO L85 PathProgramCache]: Analyzing trace with hash -294332619, now seen corresponding path program 1 times [2021-10-28 22:49:39,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:39,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590344116] [2021-10-28 22:49:39,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:39,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,565 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,587 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:39,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:39,591 INFO L85 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 2 times [2021-10-28 22:49:39,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:39,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000579818] [2021-10-28 22:49:39,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:39,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,599 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,608 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:39,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:39,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1860214625, now seen corresponding path program 1 times [2021-10-28 22:49:39,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:39,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119870124] [2021-10-28 22:49:39,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:39,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,629 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,660 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:40,574 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:49:40,574 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:49:40,574 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:49:40,574 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:49:40,574 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:49:40,575 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:40,575 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:49:40,575 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:49:40,575 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration5_Lasso [2021-10-28 22:49:40,575 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:49:40,575 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:49:40,580 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 22:49:40,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,588 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 22:49:40,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,595 INFO 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 22:49:40,597 INFO 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 22:49:40,599 INFO 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 22:49:40,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,603 INFO 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 22:49:40,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,610 INFO 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 22:49:40,612 INFO 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 22:49:41,052 INFO 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 22:49:41,054 INFO 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 22:49:41,056 INFO 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 22:49:41,059 INFO 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 22:49:41,063 INFO 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 22:49:41,609 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:49:41,610 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:49:41,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:41,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:41,638 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:41,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:41,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:41,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:41,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:41,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:41,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:41,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:41,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:41,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 22:49:41,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:41,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:41,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:41,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:41,704 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:41,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:41,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:41,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:41,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:41,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:41,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:41,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:41,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 22:49:41,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:41,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-28 22:49:41,755 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:41,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:41,756 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:41,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 22:49:41,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:41,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:41,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:41,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:41,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:41,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:41,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:41,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:41,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:41,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:41,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:41,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:41,809 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:41,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 22:49:41,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:41,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:41,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:41,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:41,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:41,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:41,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:41,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:41,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:41,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:41,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:41,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:41,844 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:41,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 22:49:41,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:41,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:41,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:41,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:41,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:41,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:41,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:41,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:41,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:41,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-28 22:49:41,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:41,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:41,878 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:41,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 22:49:41,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:41,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:41,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:41,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:41,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:41,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:41,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:41,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:41,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:41,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:41,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:41,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:41,915 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:41,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 22:49:41,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:41,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:41,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:41,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:41,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:41,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:41,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:41,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:41,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:41,966 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:41,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:41,980 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:41,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 22:49:42,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,060 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:42,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,073 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:42,073 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:42,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 22:49:42,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,121 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:42,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 22:49:42,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,177 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:42,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 22:49:42,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,236 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,237 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:42,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:42,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:42,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 22:49:42,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,296 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:42,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 22:49:42,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,362 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,363 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 22:49:42,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,421 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:42,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 22:49:42,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,481 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,483 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 22:49:42,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:42,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:42,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 22:49:42,527 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:49:42,574 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-28 22:49:42,574 INFO L444 ModelExtractionUtils]: 26 out of 49 variables were initially zero. Simplification set additionally 20 variables to zero. [2021-10-28 22:49:42,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,575 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 22:49:42,576 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:49:42,588 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:49:42,588 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:49:42,588 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_3, ULTIMATE.start_cstrspn_~spanp~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_3 - 1*ULTIMATE.start_cstrspn_~spanp~0.offset Supporting invariants [] [2021-10-28 22:49:42,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-28 22:49:42,657 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2021-10-28 22:49:42,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:42,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 22:49:42,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:42,808 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 22:49:42,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:42,857 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 22:49:42,858 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 22:49:42,858 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:42,905 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 46 transitions. Complement of second has 7 states. [2021-10-28 22:49:42,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:42,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-10-28 22:49:42,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 12 letters. Loop has 3 letters. [2021-10-28 22:49:42,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:42,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-28 22:49:42,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:42,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 12 letters. Loop has 6 letters. [2021-10-28 22:49:42,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:42,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 46 transitions. [2021-10-28 22:49:42,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:49:42,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 24 states and 30 transitions. [2021-10-28 22:49:42,911 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-28 22:49:42,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-28 22:49:42,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 30 transitions. [2021-10-28 22:49:42,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:49:42,914 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2021-10-28 22:49:42,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 30 transitions. [2021-10-28 22:49:42,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2021-10-28 22:49:42,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 22 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:42,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2021-10-28 22:49:42,919 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-10-28 22:49:42,919 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-10-28 22:49:42,919 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 22:49:42,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2021-10-28 22:49:42,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:49:42,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:42,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:42,922 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:42,922 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:49:42,922 INFO L791 eck$LassoCheckResult]: Stem: 618#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 619#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 631#L528 assume !(main_~length1~0 < 1); 629#L528-2 assume !(main_~length2~0 < 1); 630#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 626#L537-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet11, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet11; 627#L537-2 main_#t~post10 := main_~i~0;main_~i~0 := 1 + main_#t~post10;havoc main_#t~post10; 628#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 624#L537-4 main_~i~1 := 0; 625#L541-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet13; 638#L541-2 main_#t~post12 := main_~i~1;main_~i~1 := 1 + main_#t~post12;havoc main_#t~post12; 639#L541-3 assume !(main_~i~1 < main_~length2~0 - 1); 632#L541-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_#t~post4.base, cstrspn_#t~post4.offset, cstrspn_#t~mem5, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~p~0.base, cstrspn_~p~0.offset, cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset, cstrspn_~c~0, cstrspn_~sc~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset;havoc cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;havoc cstrspn_~c~0;havoc cstrspn_~sc~0; 633#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 640#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 623#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 634#L521 assume cstrspn_~sc~0 == cstrspn_~c~0; 635#L522 [2021-10-28 22:49:42,922 INFO L793 eck$LassoCheckResult]: Loop: 635#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 620#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 621#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 637#L521 assume cstrspn_~sc~0 == cstrspn_~c~0; 635#L522 [2021-10-28 22:49:42,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:42,923 INFO L85 PathProgramCache]: Analyzing trace with hash -796682687, now seen corresponding path program 1 times [2021-10-28 22:49:42,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:42,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140355474] [2021-10-28 22:49:42,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:42,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:42,954 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:42,985 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:42,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:42,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 2 times [2021-10-28 22:49:42,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:42,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51076031] [2021-10-28 22:49:42,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:42,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:42,997 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:43,002 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:43,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:43,006 INFO L85 PathProgramCache]: Analyzing trace with hash 477217064, now seen corresponding path program 2 times [2021-10-28 22:49:43,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:43,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164839886] [2021-10-28 22:49:43,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:43,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:49:43,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:43,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164839886] [2021-10-28 22:49:43,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164839886] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:49:43,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927173418] [2021-10-28 22:49:43,235 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 22:49:43,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:49:43,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:43,239 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:49:43,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2021-10-28 22:49:43,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 22:49:43,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:49:43,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-28 22:49:43,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:43,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:43,581 INFO L354 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2021-10-28 22:49:43,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 26 [2021-10-28 22:49:43,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-10-28 22:49:43,710 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:49:43,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927173418] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:49:43,711 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:49:43,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-10-28 22:49:43,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474798258] [2021-10-28 22:49:43,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:43,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-28 22:49:43,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-28 22:49:43,822 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. cyclomatic complexity: 10 Second operand has 15 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 15 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:44,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:49:44,164 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2021-10-28 22:49:44,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 22:49:44,165 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 52 transitions. [2021-10-28 22:49:44,166 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:49:44,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 52 transitions. [2021-10-28 22:49:44,166 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-28 22:49:44,167 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-28 22:49:44,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 52 transitions. [2021-10-28 22:49:44,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:49:44,167 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2021-10-28 22:49:44,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 52 transitions. [2021-10-28 22:49:44,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2021-10-28 22:49:44,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.225) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2021-10-28 22:49:44,171 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 49 transitions. [2021-10-28 22:49:44,171 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 49 transitions. [2021-10-28 22:49:44,171 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 22:49:44,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 49 transitions. [2021-10-28 22:49:44,172 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 22:49:44,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:44,172 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:44,173 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:44,173 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:49:44,173 INFO L791 eck$LassoCheckResult]: Stem: 782#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 783#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 796#L528 assume !(main_~length1~0 < 1); 794#L528-2 assume !(main_~length2~0 < 1); 795#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 790#L537-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet11, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet11; 791#L537-2 main_#t~post10 := main_~i~0;main_~i~0 := 1 + main_#t~post10;havoc main_#t~post10; 821#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 820#L537-4 main_~i~1 := 0; 819#L541-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet13; 818#L541-2 main_#t~post12 := main_~i~1;main_~i~1 := 1 + main_#t~post12;havoc main_#t~post12; 817#L541-3 assume !(main_~i~1 < main_~length2~0 - 1); 816#L541-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_#t~post4.base, cstrspn_#t~post4.offset, cstrspn_#t~mem5, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~p~0.base, cstrspn_~p~0.offset, cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset, cstrspn_~c~0, cstrspn_~sc~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset;havoc cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;havoc cstrspn_~c~0;havoc cstrspn_~sc~0; 808#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 809#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 813#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 812#L521 assume cstrspn_~sc~0 == cstrspn_~c~0; 806#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 784#L520-3 [2021-10-28 22:49:44,174 INFO L793 eck$LassoCheckResult]: Loop: 784#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 785#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 799#L521 assume !(cstrspn_~sc~0 == cstrspn_~c~0); 784#L520-3 [2021-10-28 22:49:44,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:44,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1072640524, now seen corresponding path program 3 times [2021-10-28 22:49:44,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:44,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720089616] [2021-10-28 22:49:44,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:44,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:44,186 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:44,201 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:44,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:44,202 INFO L85 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 3 times [2021-10-28 22:49:44,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:44,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061206251] [2021-10-28 22:49:44,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:44,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:44,206 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:44,209 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:44,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:44,210 INFO L85 PathProgramCache]: Analyzing trace with hash 477217066, now seen corresponding path program 1 times [2021-10-28 22:49:44,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:44,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024435107] [2021-10-28 22:49:44,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:44,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:44,223 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:44,239 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:45,759 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:49:45,759 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:49:45,760 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:49:45,760 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:49:45,760 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:49:45,760 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:45,760 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:49:45,760 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:49:45,760 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration7_Lasso [2021-10-28 22:49:45,760 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:49:45,760 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:49:45,764 INFO 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 22:49:45,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,779 INFO 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 22:49:45,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,793 INFO 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 22:49:45,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,804 INFO 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 22:49:45,806 INFO 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 22:49:45,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,809 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 22:49:45,811 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 22:49:45,813 INFO 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 22:49:45,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:47,167 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:49:47,167 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:49:47,168 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,176 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:47,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 22:49:47,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:47,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:47,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:47,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,249 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:47,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 22:49:47,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:47,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,311 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 22:49:47,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:47,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,369 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 22:49:47,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:47,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,406 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 22:49:47,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:47,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:47,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-28 22:49:47,438 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,439 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 22:49:47,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-28 22:49:47,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,491 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 22:49:47,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-28 22:49:47,519 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,520 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 22:49:47,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 22:49:47,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,549 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 22:49:47,550 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 22:49:47,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:47,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:47,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:47,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,581 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 22:49:47,582 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 22:49:47,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-28 22:49:47,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,610 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 22:49:47,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-28 22:49:47,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,640 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 22:49:47,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:47,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:47,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:47,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,678 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 22:49:47,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-28 22:49:47,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,708 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 22:49:47,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-28 22:49:47,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,747 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 22:49:47,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:47,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:47,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:47,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,780 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 22:49:47,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-28 22:49:47,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,826 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 22:49:47,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-28 22:49:47,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,857 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 22:49:47,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:47,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,887 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 22:49:47,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-28 22:49:47,916 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,917 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 22:49:47,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-28 22:49:47,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,946 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 22:49:47,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:47,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:47,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:47,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:48,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:48,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:48,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:48,023 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:48,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 22:49:48,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:48,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:48,033 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 22:49:48,033 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-28 22:49:48,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:48,086 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2021-10-28 22:49:48,086 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-28 22:49:48,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:48,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:48,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:48,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:48,200 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:48,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 22:49:48,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:48,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:48,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:48,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:48,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:48,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:48,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:48,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:48,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-28 22:49:48,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:48,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:48,231 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:48,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 22:49:48,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:48,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:48,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:48,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:48,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:48,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:48,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:48,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:48,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-28 22:49:48,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:48,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:48,262 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:48,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 22:49:48,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:48,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:48,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:48,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:48,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:48,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:48,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:48,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:48,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-28 22:49:48,294 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:48,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:48,303 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:48,305 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 22:49:48,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:48,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:48,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:48,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:48,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 22:49:48,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:48,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:48,367 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:49:48,439 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-10-28 22:49:48,439 INFO L444 ModelExtractionUtils]: 9 out of 55 variables were initially zero. Simplification set additionally 41 variables to zero. [2021-10-28 22:49:48,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:48,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:48,448 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:48,451 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:49:48,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 22:49:48,480 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 22:49:48,481 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:49:48,481 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~p~0.offset, ULTIMATE.start_cstrspn_~spanp~0.offset) = 1*ULTIMATE.start_cstrspn_~p~0.offset - 1*ULTIMATE.start_cstrspn_~spanp~0.offset Supporting invariants [-1*v_rep(select #length ULTIMATE.start_cstrspn_~spanp~0.base)_2 + 1*ULTIMATE.start_cstrspn_~p~0.offset >= 0] [2021-10-28 22:49:48,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:48,721 INFO L297 tatePredicateManager]: 43 out of 44 supporting invariants were superfluous and have been removed [2021-10-28 22:49:48,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:48,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-28 22:49:48,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:48,803 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 22:49:48,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-10-28 22:49:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:49,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 22:49:49,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:49,058 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 22:49:49,059 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-28 22:49:49,060 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:49,169 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 65 transitions. Complement of second has 8 states. [2021-10-28 22:49:49,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:49,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:49,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2021-10-28 22:49:49,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 18 letters. Loop has 3 letters. [2021-10-28 22:49:49,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:49,171 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 22:49:49,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:49,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-28 22:49:49,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:49,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:49,283 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 22:49:49,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-10-28 22:49:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:49,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 22:49:49,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:49,535 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 22:49:49,536 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-28 22:49:49,536 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:49,647 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 65 transitions. Complement of second has 8 states. [2021-10-28 22:49:49,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:49,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:49,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2021-10-28 22:49:49,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 18 letters. Loop has 3 letters. [2021-10-28 22:49:49,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:49,650 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 22:49:49,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:49,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-28 22:49:49,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:49,736 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-28 22:49:49,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-10-28 22:49:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:49,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 22:49:49,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:49,966 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 22:49:49,967 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-28 22:49:49,967 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16 Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:50,162 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 49 transitions. cyclomatic complexity: 16. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 102 transitions. Complement of second has 12 states. [2021-10-28 22:49:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 22:49:50,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:50,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 40 transitions. [2021-10-28 22:49:50,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 18 letters. Loop has 3 letters. [2021-10-28 22:49:50,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:50,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 21 letters. Loop has 3 letters. [2021-10-28 22:49:50,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:50,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-28 22:49:50,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:50,164 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 102 transitions. [2021-10-28 22:49:50,165 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2021-10-28 22:49:50,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 67 states and 82 transitions. [2021-10-28 22:49:50,166 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-10-28 22:49:50,166 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-10-28 22:49:50,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 82 transitions. [2021-10-28 22:49:50,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:49:50,166 INFO L681 BuchiCegarLoop]: Abstraction has 67 states and 82 transitions. [2021-10-28 22:49:50,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 82 transitions. [2021-10-28 22:49:50,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 51. [2021-10-28 22:49:50,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 50 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:50,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2021-10-28 22:49:50,170 INFO L704 BuchiCegarLoop]: Abstraction has 51 states and 62 transitions. [2021-10-28 22:49:50,170 INFO L587 BuchiCegarLoop]: Abstraction has 51 states and 62 transitions. [2021-10-28 22:49:50,170 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 22:49:50,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 62 transitions. [2021-10-28 22:49:50,170 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-10-28 22:49:50,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:50,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:50,171 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:50,171 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:49:50,171 INFO L791 eck$LassoCheckResult]: Stem: 1473#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1474#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 1487#L528 assume !(main_~length1~0 < 1); 1485#L528-2 assume !(main_~length2~0 < 1); 1486#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 1480#L537-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet11, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet11; 1481#L537-2 main_#t~post10 := main_~i~0;main_~i~0 := 1 + main_#t~post10;havoc main_#t~post10; 1494#L537-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet11, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet11; 1484#L537-2 main_#t~post10 := main_~i~0;main_~i~0 := 1 + main_#t~post10;havoc main_#t~post10; 1482#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 1483#L537-4 main_~i~1 := 0; 1495#L541-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet13; 1496#L541-2 main_#t~post12 := main_~i~1;main_~i~1 := 1 + main_#t~post12;havoc main_#t~post12; 1499#L541-3 assume !(main_~i~1 < main_~length2~0 - 1); 1488#L541-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_#t~post4.base, cstrspn_#t~post4.offset, cstrspn_#t~mem5, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~p~0.base, cstrspn_~p~0.offset, cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset, cstrspn_~c~0, cstrspn_~sc~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset;havoc cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;havoc cstrspn_~c~0;havoc cstrspn_~sc~0; 1489#L522 [2021-10-28 22:49:50,171 INFO L793 eck$LassoCheckResult]: Loop: 1489#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 1475#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 1476#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 1490#L521 assume cstrspn_~sc~0 == cstrspn_~c~0; 1489#L522 [2021-10-28 22:49:50,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:50,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1523394364, now seen corresponding path program 1 times [2021-10-28 22:49:50,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:50,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347197862] [2021-10-28 22:49:50,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:50,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:50,182 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:50,193 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:50,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:50,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2312936, now seen corresponding path program 3 times [2021-10-28 22:49:50,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:50,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23205271] [2021-10-28 22:49:50,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:50,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:50,198 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:50,202 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:50,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:50,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1430543523, now seen corresponding path program 4 times [2021-10-28 22:49:50,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:50,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783361409] [2021-10-28 22:49:50,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:50,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:50,216 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:50,230 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:51,453 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:49:51,453 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:49:51,453 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:49:51,453 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:49:51,453 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:49:51,453 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:51,453 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:49:51,454 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:49:51,454 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration8_Lasso [2021-10-28 22:49:51,454 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:49:51,454 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:49:51,456 INFO 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 22:49:51,459 INFO 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 22:49:51,461 INFO 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 22:49:51,462 INFO 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 22:49:51,464 INFO 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 22:49:51,465 INFO 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 22:49:51,467 INFO 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 22:49:51,469 INFO 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 22:49:51,834 INFO 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 22:49:51,836 INFO 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 22:49:51,838 INFO 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 22:49:51,847 INFO 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 22:49:51,849 INFO 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 22:49:51,850 INFO 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 22:49:51,853 INFO 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 22:49:51,855 INFO 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 22:49:51,857 INFO 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 22:49:51,858 INFO 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 22:49:51,860 INFO 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 22:49:51,862 INFO 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 22:49:51,864 INFO 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 22:49:52,299 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:49:52,300 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:49:52,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,305 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 22:49:52,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:52,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:52,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:52,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:52,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:52,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:52,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-28 22:49:52,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,335 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 22:49:52,337 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 22:49:52,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:52,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:52,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:52,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:52,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:52,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-28 22:49:52,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,365 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 22:49:52,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:52,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:52,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:52,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:52,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:52,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:52,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:52,395 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,396 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 22:49:52,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:52,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:52,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:52,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:52,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:52,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:52,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-28 22:49:52,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,426 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 22:49:52,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:52,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:52,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:52,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:52,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:52,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:52,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-28 22:49:52,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,469 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 22:49:52,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:52,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:52,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:52,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:52,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:52,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:52,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,501 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 22:49:52,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:52,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:52,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:52,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:52,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:52,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:52,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-10-28 22:49:52,530 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,531 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 22:49:52,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:52,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:52,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:52,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:52,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:52,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-28 22:49:52,564 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,564 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 22:49:52,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:52,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:52,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:52,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:52,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:52,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:52,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,638 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:52,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:52,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:52,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:52,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-28 22:49:52,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:52,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-28 22:49:52,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,706 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-28 22:49:52,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:52,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:52,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:52,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:52,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:52,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:52,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,744 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-28 22:49:52,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:52,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:52,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:52,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:52,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:52,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:52,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,823 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:52,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:52,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:52,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:52,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-28 22:49:52,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:52,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:52,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,897 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:52,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:52,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,908 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 22:49:52,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,911 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 22:49:52,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:52,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-28 22:49:52,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:52,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:52,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:52,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:52,959 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:52,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:52,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:52,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:52,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:52,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:52,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:52,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:52,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-28 22:49:52,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:53,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:53,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:53,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:53,024 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:53,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:53,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:53,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:53,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:53,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:53,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:53,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:53,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 22:49:53,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:53,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:53,080 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:53,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:53,081 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:53,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:53,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:53,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:53,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:53,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:53,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:53,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:53,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:53,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-28 22:49:53,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:53,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:53,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:53,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:53,136 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:53,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:53,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:53,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:53,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:53,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:53,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:53,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:53,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-28 22:49:53,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:53,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:53,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:53,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:53,192 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:53,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:53,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:53,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:53,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:53,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:53,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:53,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:53,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-28 22:49:53,235 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:49:53,257 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-28 22:49:53,257 INFO L444 ModelExtractionUtils]: 33 out of 43 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-28 22:49:53,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:53,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:53,258 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:53,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-28 22:49:53,259 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:49:53,267 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:49:53,267 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:49:53,267 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~p~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_5) = -1*ULTIMATE.start_cstrspn_~p~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_5 Supporting invariants [] [2021-10-28 22:49:53,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-10-28 22:49:53,322 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2021-10-28 22:49:53,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:53,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 22:49:53,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:53,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 22:49:53,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:53,509 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 22:49:53,509 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-28 22:49:53,509 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 62 transitions. cyclomatic complexity: 19 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:53,541 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 62 transitions. cyclomatic complexity: 19. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 100 transitions. Complement of second has 5 states. [2021-10-28 22:49:53,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:53,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-10-28 22:49:53,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-28 22:49:53,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:53,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 19 letters. Loop has 4 letters. [2021-10-28 22:49:53,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:53,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 15 letters. Loop has 8 letters. [2021-10-28 22:49:53,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:53,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 100 transitions. [2021-10-28 22:49:53,544 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 22:49:53,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 51 states and 61 transitions. [2021-10-28 22:49:53,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-28 22:49:53,545 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-10-28 22:49:53,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 61 transitions. [2021-10-28 22:49:53,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:49:53,545 INFO L681 BuchiCegarLoop]: Abstraction has 51 states and 61 transitions. [2021-10-28 22:49:53,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 61 transitions. [2021-10-28 22:49:53,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 43. [2021-10-28 22:49:53,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:53,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2021-10-28 22:49:53,549 INFO L704 BuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2021-10-28 22:49:53,549 INFO L587 BuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2021-10-28 22:49:53,549 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 22:49:53,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 53 transitions. [2021-10-28 22:49:53,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 22:49:53,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:53,550 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:53,550 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:53,550 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:49:53,550 INFO L791 eck$LassoCheckResult]: Stem: 1737#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1738#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~0, main_#t~nondet13, main_#t~post12, main_~i~1, main_#t~ret14, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 1752#L528 assume !(main_~length1~0 < 1); 1750#L528-2 assume !(main_~length2~0 < 1); 1751#L531-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~0 := 0; 1745#L537-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet11, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet11; 1746#L537-2 main_#t~post10 := main_~i~0;main_~i~0 := 1 + main_#t~post10;havoc main_#t~post10; 1747#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 1748#L537-4 main_~i~1 := 0; 1759#L541-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet13; 1760#L541-2 main_#t~post12 := main_~i~1;main_~i~1 := 1 + main_#t~post12;havoc main_#t~post12; 1777#L541-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet13; 1776#L541-2 main_#t~post12 := main_~i~1;main_~i~1 := 1 + main_#t~post12;havoc main_#t~post12; 1775#L541-3 assume !(main_~i~1 < main_~length2~0 - 1); 1753#L541-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset, cstrspn_#t~mem3, cstrspn_#t~post4.base, cstrspn_#t~post4.offset, cstrspn_#t~mem5, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~p~0.base, cstrspn_~p~0.offset, cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset, cstrspn_~c~0, cstrspn_~sc~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset;havoc cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;havoc cstrspn_~c~0;havoc cstrspn_~sc~0; 1754#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 1741#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 1742#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 1769#L521 assume cstrspn_~sc~0 == cstrspn_~c~0; 1763#L522 cstrspn_#t~post2.base, cstrspn_#t~post2.offset := cstrspn_~p~0.base, cstrspn_~p~0.offset;cstrspn_~p~0.base, cstrspn_~p~0.offset := cstrspn_#t~post2.base, 1 + cstrspn_#t~post2.offset;call cstrspn_#t~mem3 := read~int(cstrspn_#t~post2.base, cstrspn_#t~post2.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem3;havoc cstrspn_#t~post2.base, cstrspn_#t~post2.offset;havoc cstrspn_#t~mem3;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset; 1739#L520-3 [2021-10-28 22:49:53,551 INFO L793 eck$LassoCheckResult]: Loop: 1739#L520-3 cstrspn_#t~post4.base, cstrspn_#t~post4.offset := cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset;cstrspn_~spanp~0.base, cstrspn_~spanp~0.offset := cstrspn_#t~post4.base, 1 + cstrspn_#t~post4.offset;call cstrspn_#t~mem5 := read~int(cstrspn_#t~post4.base, cstrspn_#t~post4.offset, 1);cstrspn_~sc~0 := cstrspn_#t~mem5; 1740#L520-1 assume !!(0 != cstrspn_~sc~0);havoc cstrspn_#t~post4.base, cstrspn_#t~post4.offset;havoc cstrspn_#t~mem5; 1755#L521 assume !(cstrspn_~sc~0 == cstrspn_~c~0); 1739#L520-3 [2021-10-28 22:49:53,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:53,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1848727466, now seen corresponding path program 5 times [2021-10-28 22:49:53,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:53,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883265188] [2021-10-28 22:49:53,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:53,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:53,566 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:53,582 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:53,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:53,583 INFO L85 PathProgramCache]: Analyzing trace with hash 78613, now seen corresponding path program 4 times [2021-10-28 22:49:53,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:53,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680266433] [2021-10-28 22:49:53,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:53,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:53,588 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:53,591 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:53,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:53,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1074351820, now seen corresponding path program 2 times [2021-10-28 22:49:53,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:53,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294793536] [2021-10-28 22:49:53,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:53,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:53,606 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:53,623 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:54,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:55,639 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:49:55,640 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:49:55,640 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:49:55,640 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:49:55,640 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:49:55,640 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:55,640 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:49:55,640 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:49:55,640 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrspn-alloca-2.i_Iteration9_Lasso [2021-10-28 22:49:55,640 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:49:55,640 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:49:55,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:55,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:55,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:55,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:55,651 INFO 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 22:49:55,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:55,664 INFO 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 22:49:55,666 INFO 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 22:49:55,668 INFO 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 22:49:55,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:55,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:55,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:55,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:55,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:55,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:55,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:56,283 INFO 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 22:49:56,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:56,286 INFO 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 22:49:56,288 INFO 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 22:49:56,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:56,925 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:49:56,926 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:49:56,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:56,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:56,929 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:56,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-28 22:49:56,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:56,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:56,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:56,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:56,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:56,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:56,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:56,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:56,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-10-28 22:49:56,960 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:56,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:56,961 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:56,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-28 22:49:56,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:56,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:56,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:56,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:56,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:56,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:56,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:56,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:56,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:56,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-10-28 22:49:56,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:56,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:56,991 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:56,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-28 22:49:56,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:56,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:56,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:56,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:56,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:56,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:56,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:56,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:57,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-10-28 22:49:57,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,020 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-28 22:49:57,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:57,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:57,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:57,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:57,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,052 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-28 22:49:57,053 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 22:49:57,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:57,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:57,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:57,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-10-28 22:49:57,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,081 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-28 22:49:57,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:57,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:57,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-10-28 22:49:57,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,113 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-28 22:49:57,114 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 22:49:57,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:57,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:57,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:57,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-10-28 22:49:57,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,143 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-28 22:49:57,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:57,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:57,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-10-28 22:49:57,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,175 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-28 22:49:57,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:57,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:57,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:57,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-10-28 22:49:57,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,205 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-28 22:49:57,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:57,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:57,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:57,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-10-28 22:49:57,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,235 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-28 22:49:57,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:57,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:57,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:57,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:57,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-10-28 22:49:57,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,265 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-28 22:49:57,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:57,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:57,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:57,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-28 22:49:57,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,296 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-28 22:49:57,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:57,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:57,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:57,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:57,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,326 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-28 22:49:57,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:57,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:57,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:57,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:57,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,356 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-28 22:49:57,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:57,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:57,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-10-28 22:49:57,387 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,388 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-28 22:49:57,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:57,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:57,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:57,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,433 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-28 22:49:57,434 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 22:49:57,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,441 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 22:49:57,441 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-28 22:49:57,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,484 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2021-10-28 22:49:57,484 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-28 22:49:57,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-10-28 22:49:57,605 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,606 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-28 22:49:57,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:57,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:57,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:57,638 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,639 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-28 22:49:57,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:57,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:57,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:57,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,680 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-28 22:49:57,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:57,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:57,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-10-28 22:49:57,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,712 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-28 22:49:57,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:57,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:57,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:57,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,751 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-28 22:49:57,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:49:57,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:57,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:57,787 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:49:57,814 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-28 22:49:57,814 INFO L444 ModelExtractionUtils]: 44 out of 58 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-10-28 22:49:57,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,815 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,816 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:49:57,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-28 22:49:57,824 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:49:57,824 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:49:57,824 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_3, ULTIMATE.start_cstrspn_~spanp~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_3 - 1*ULTIMATE.start_cstrspn_~spanp~0.offset Supporting invariants [] [2021-10-28 22:49:57,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:57,964 INFO L297 tatePredicateManager]: 34 out of 35 supporting invariants were superfluous and have been removed [2021-10-28 22:49:57,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:58,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 22:49:58,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:58,102 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 22:49:58,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:58,160 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 22:49:58,161 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-28 22:49:58,162 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:58,206 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 17. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 64 transitions. Complement of second has 6 states. [2021-10-28 22:49:58,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:58,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:58,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-10-28 22:49:58,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 20 letters. Loop has 3 letters. [2021-10-28 22:49:58,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:58,209 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 22:49:58,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:58,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 22:49:58,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:58,353 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 22:49:58,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:58,394 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 22:49:58,395 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-28 22:49:58,396 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:58,438 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 17. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 62 transitions. Complement of second has 6 states. [2021-10-28 22:49:58,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:58,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:58,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-10-28 22:49:58,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 20 letters. Loop has 3 letters. [2021-10-28 22:49:58,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:58,439 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 22:49:58,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:58,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 22:49:58,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:58,622 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 22:49:58,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:58,671 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 22:49:58,671 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-28 22:49:58,672 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:58,703 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 17. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 71 transitions. Complement of second has 5 states. [2021-10-28 22:49:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:58,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2021-10-28 22:49:58,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 20 letters. Loop has 3 letters. [2021-10-28 22:49:58,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:58,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 23 letters. Loop has 3 letters. [2021-10-28 22:49:58,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:58,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 20 letters. Loop has 6 letters. [2021-10-28 22:49:58,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:58,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 71 transitions. [2021-10-28 22:49:58,706 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:49:58,706 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 0 states and 0 transitions. [2021-10-28 22:49:58,706 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 22:49:58,706 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 22:49:58,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 22:49:58,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:58,706 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:49:58,706 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:49:58,706 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:49:58,707 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 22:49:58,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:49:58,707 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:49:58,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 22:49:58,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:49:58 BoogieIcfgContainer [2021-10-28 22:49:58,713 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:49:58,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:49:58,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:49:58,713 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:49:58,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:33" (3/4) ... [2021-10-28 22:49:58,717 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:49:58,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:49:58,718 INFO L168 Benchmark]: Toolchain (without parser) took 26197.65 ms. Allocated memory was 127.9 MB in the beginning and 186.6 MB in the end (delta: 58.7 MB). Free memory was 95.5 MB in the beginning and 43.9 MB in the end (delta: 51.6 MB). Peak memory consumption was 109.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:58,718 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory is still 47.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:49:58,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.76 ms. Allocated memory is still 127.9 MB. Free memory was 95.5 MB in the beginning and 97.8 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:58,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.64 ms. Allocated memory is still 127.9 MB. Free memory was 97.8 MB in the beginning and 95.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:58,719 INFO L168 Benchmark]: Boogie Preprocessor took 30.14 ms. Allocated memory is still 127.9 MB. Free memory was 95.7 MB in the beginning and 94.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:58,719 INFO L168 Benchmark]: RCFGBuilder took 386.06 ms. Allocated memory is still 127.9 MB. Free memory was 94.4 MB in the beginning and 83.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:58,720 INFO L168 Benchmark]: BuchiAutomizer took 25273.66 ms. Allocated memory was 127.9 MB in the beginning and 186.6 MB in the end (delta: 58.7 MB). Free memory was 83.1 MB in the beginning and 43.9 MB in the end (delta: 39.2 MB). Peak memory consumption was 99.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:58,720 INFO L168 Benchmark]: Witness Printer took 3.78 ms. Allocated memory is still 186.6 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:49:58,722 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory is still 47.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 452.76 ms. Allocated memory is still 127.9 MB. Free memory was 95.5 MB in the beginning and 97.8 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.64 ms. Allocated memory is still 127.9 MB. Free memory was 97.8 MB in the beginning and 95.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.14 ms. Allocated memory is still 127.9 MB. Free memory was 95.7 MB in the beginning and 94.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 386.06 ms. Allocated memory is still 127.9 MB. Free memory was 94.4 MB in the beginning and 83.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 25273.66 ms. Allocated memory was 127.9 MB in the beginning and 186.6 MB in the end (delta: 58.7 MB). Free memory was 83.1 MB in the beginning and 43.9 MB in the end (delta: 39.2 MB). Peak memory consumption was 99.6 MB. Max. memory is 16.1 GB. * Witness Printer took 3.78 ms. Allocated memory is still 186.6 MB. Free memory is still 43.9 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 9 terminating modules (3 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[nondetString2] + -1 * nondetString2 and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * spanp and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * p and consists of 4 locations. One nondeterministic module has affine ranking function -1 * spanp + p and consists of 10 locations. One nondeterministic module has affine ranking function -1 * spanp + unknown-#length-unknown[nondetString2] and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 25.1s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 21.4s. Construction of modules took 0.3s. Büchi inclusion checks took 3.1s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 33 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 51 states and ocurred in iteration 7. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 203 SDtfs, 366 SDslu, 425 SDs, 0 SdLazy, 417 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital265 mio100 ax108 hnf99 lsp88 ukn69 mio100 lsp45 div100 bol100 ite100 ukn100 eq190 hnf89 smp98 dnf104 smp100 tf100 neg98 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 157ms VariablesStem: 10 VariablesLoop: 9 DisjunctsStem: 2 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 56 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 22:49:58,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-10-28 22:49:58,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2021-10-28 22:49:59,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6693ae76-f694-49fb-bdb0-4ee33e2afc9a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...