./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtol.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtol.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bcbc91130461471a924c9b7d42b69988876440be9da9cf52278e4a7d2ea580f0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:35:33,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:35:33,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:35:33,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:35:33,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:35:33,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:35:33,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:35:33,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:35:33,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:35:33,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:35:33,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:35:33,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:35:33,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:35:33,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:35:33,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:35:33,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:35:33,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:35:33,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:35:33,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:35:33,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:35:33,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:35:33,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:35:33,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:35:33,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:35:33,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:35:33,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:35:33,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:35:33,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:35:33,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:35:33,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:35:33,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:35:33,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:35:33,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:35:33,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:35:33,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:35:33,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:35:33,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:35:33,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:35:33,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:35:33,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:35:33,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:35:33,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 06:35:33,238 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:35:33,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:35:33,239 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:35:33,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:35:33,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:35:33,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:35:33,241 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:35:33,241 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:35:33,242 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:35:33,242 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:35:33,242 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:35:33,242 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:35:33,242 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:35:33,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:35:33,243 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:35:33,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:35:33,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:35:33,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:35:33,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:35:33,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:35:33,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:35:33,244 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:35:33,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:35:33,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:35:33,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:35:33,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:35:33,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:35:33,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:35:33,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:35:33,247 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:35:33,247 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_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbc91130461471a924c9b7d42b69988876440be9da9cf52278e4a7d2ea580f0 [2021-11-20 06:35:33,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:35:33,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:35:33,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:35:33,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:35:33,521 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:35:33,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-dietlibc/strtol.i [2021-11-20 06:35:33,603 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/data/1347d7851/ca950d2889f54bdaae64538582d26421/FLAG67c928739 [2021-11-20 06:35:34,118 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:35:34,119 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/sv-benchmarks/c/termination-dietlibc/strtol.i [2021-11-20 06:35:34,132 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/data/1347d7851/ca950d2889f54bdaae64538582d26421/FLAG67c928739 [2021-11-20 06:35:34,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/data/1347d7851/ca950d2889f54bdaae64538582d26421 [2021-11-20 06:35:34,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:35:34,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:35:34,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:35:34,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:35:34,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:35:34,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:35:34" (1/1) ... [2021-11-20 06:35:34,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3446a1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:35:34, skipping insertion in model container [2021-11-20 06:35:34,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:35:34" (1/1) ... [2021-11-20 06:35:34,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:35:34,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:35:34,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:35:34,816 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:35:34,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:35:34,908 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:35:34,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:35:34 WrapperNode [2021-11-20 06:35:34,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:35:34,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:35:34,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:35:34,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:35:34,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:35:34" (1/1) ... [2021-11-20 06:35:34,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:35:34" (1/1) ... [2021-11-20 06:35:34,993 INFO L137 Inliner]: procedures = 116, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 193 [2021-11-20 06:35:34,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:35:34,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:35:34,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:35:34,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:35:35,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:35:34" (1/1) ... [2021-11-20 06:35:35,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:35:34" (1/1) ... [2021-11-20 06:35:35,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:35:34" (1/1) ... [2021-11-20 06:35:35,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:35:34" (1/1) ... [2021-11-20 06:35:35,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:35:34" (1/1) ... [2021-11-20 06:35:35,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:35:34" (1/1) ... [2021-11-20 06:35:35,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:35:34" (1/1) ... [2021-11-20 06:35:35,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:35:35,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:35:35,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:35:35,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:35:35,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:35:34" (1/1) ... [2021-11-20 06:35:35,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:35,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:35,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:35,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:35:35,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:35:35,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:35:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:35:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:35:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:35:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:35:35,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:35:35,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:35:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:35:35,238 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:35:35,240 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:35:35,640 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:35:35,647 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:35:35,648 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-20 06:35:35,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:35:35 BoogieIcfgContainer [2021-11-20 06:35:35,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:35:35,651 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:35:35,651 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:35:35,655 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:35:35,655 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:35:35,656 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:35:34" (1/3) ... [2021-11-20 06:35:35,657 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@162b82f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:35:35, skipping insertion in model container [2021-11-20 06:35:35,657 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:35:35,657 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:35:34" (2/3) ... [2021-11-20 06:35:35,657 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@162b82f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:35:35, skipping insertion in model container [2021-11-20 06:35:35,658 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:35:35,658 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:35:35" (3/3) ... [2021-11-20 06:35:35,659 INFO L388 chiAutomizerObserver]: Analyzing ICFG strtol.i [2021-11-20 06:35:35,703 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:35:35,703 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:35:35,704 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:35:35,704 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:35:35,704 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:35:35,704 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:35:35,704 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:35:35,704 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:35:35,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 47 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 46 states have internal predecessors, (75), 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) [2021-11-20 06:35:35,739 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 15 [2021-11-20 06:35:35,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:35:35,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:35:35,744 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 06:35:35,745 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:35:35,745 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:35:35,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 47 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 46 states have internal predecessors, (75), 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) [2021-11-20 06:35:35,749 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 15 [2021-11-20 06:35:35,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:35:35,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:35:35,750 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 06:35:35,750 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:35:35,755 INFO L791 eck$LassoCheckResult]: Stem: 25#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~malloc30#1.base, main_#t~malloc30#1.offset, main_#t~nondet32#1, main_#t~post31#1, main_~i~0#1, main_#t~nondet33#1, main_#t~ret34#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~base~0#1, main_~#end~0#1.base, main_~#end~0#1.offset;main_~in_len~0#1 := main_#t~nondet29#1;havoc main_#t~nondet29#1; 44#L563true assume !(main_~in_len~0#1 < 1);call main_#t~malloc30#1.base, main_#t~malloc30#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc30#1.base, main_#t~malloc30#1.offset;main_~i~0#1 := 0; 19#L565-3true [2021-11-20 06:35:35,755 INFO L793 eck$LassoCheckResult]: Loop: 19#L565-3true assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet32#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet32#1; 42#L565-2true main_#t~post31#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post31#1;havoc main_#t~post31#1; 19#L565-3true [2021-11-20 06:35:35,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:35,761 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-20 06:35:35,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:35,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584137984] [2021-11-20 06:35:35,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:35,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:35,872 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:35,898 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:35,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:35,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2021-11-20 06:35:35,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:35,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108829312] [2021-11-20 06:35:35,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:35,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:35,915 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:35,932 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:35,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:35,937 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2021-11-20 06:35:35,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:35,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002788652] [2021-11-20 06:35:35,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:35,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:35,985 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:36,018 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:36,317 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:35:36,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:35:36,317 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:35:36,318 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:35:36,318 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:35:36,319 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:36,319 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:35:36,319 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:35:36,320 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtol.i_Iteration1_Lasso [2021-11-20 06:35:36,320 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:35:36,320 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:35:36,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:36,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:36,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:36,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:36,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:36,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:36,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:36,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:36,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:36,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:36,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:36,708 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:35:36,713 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:35:36,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:36,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:36,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:36,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:35:36,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:36,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:36,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:36,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:36,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:36,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:36,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:36,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:36,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:36,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:36,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:36,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:36,766 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:36,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:36,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:36,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:36,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:36,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:36,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:36,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:35:36,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:36,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:36,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:36,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:36,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:36,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:36,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:36,858 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 [2021-11-20 06:35:36,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:36,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:36,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:36,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:36,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:36,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:36,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:36,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:35:36,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:36,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:36,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:36,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:36,900 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:36,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:35:36,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:36,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:36,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:36,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:36,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:36,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:36,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:36,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:36,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:36,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:36,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:36,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:36,976 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:36,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:35:36,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:37,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:37,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:37,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:37,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:37,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:37,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:37,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:37,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:37,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:37,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:37,052 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:37,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:35:37,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:37,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:37,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:37,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:37,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:37,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:37,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:37,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:37,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:37,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-20 06:35:37,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:37,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:37,105 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:37,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:35:37,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:37,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:37,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:37,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:37,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:37,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:37,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:37,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:37,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-20 06:35:37,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:37,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:37,159 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:37,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:35:37,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:37,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:37,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:37,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:37,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:37,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:37,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:37,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:37,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:37,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:37,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:37,215 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:37,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:35:37,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:37,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:37,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:37,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:37,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:37,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:37,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:37,253 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:35:37,300 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2021-11-20 06:35:37,300 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-11-20 06:35:37,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:37,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:37,318 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:37,326 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:35:37,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:35:37,356 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:35:37,356 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:35:37,357 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~in~0#1.base)_1) = -1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~in~0#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~in~0#1.offset >= 0] [2021-11-20 06:35:37,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:37,426 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2021-11-20 06:35:37,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:37,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:35:37,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:35:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:37,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:35:37,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:35:37,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:35:37,608 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 [2021-11-20 06:35:37,609 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 47 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 46 states have internal predecessors, (75), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-11-20 06:35:37,761 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 47 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 46 states have internal predecessors, (75), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 136 states and 215 transitions. Complement of second has 7 states. [2021-11-20 06:35:37,763 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 [2021-11-20 06:35:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-11-20 06:35:37,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 144 transitions. [2021-11-20 06:35:37,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 144 transitions. Stem has 3 letters. Loop has 2 letters. [2021-11-20 06:35:37,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:35:37,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 144 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-20 06:35:37,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:35:37,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 144 transitions. Stem has 3 letters. Loop has 4 letters. [2021-11-20 06:35:37,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:35:37,774 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 136 states and 215 transitions. [2021-11-20 06:35:37,782 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-11-20 06:35:37,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 136 states to 35 states and 51 transitions. [2021-11-20 06:35:37,791 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-11-20 06:35:37,791 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-11-20 06:35:37,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 51 transitions. [2021-11-20 06:35:37,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:35:37,792 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 51 transitions. [2021-11-20 06:35:37,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 51 transitions. [2021-11-20 06:35:37,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-11-20 06:35:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.457142857142857) internal successors, (51), 34 states have internal predecessors, (51), 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) [2021-11-20 06:35:37,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 51 transitions. [2021-11-20 06:35:37,818 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 51 transitions. [2021-11-20 06:35:37,818 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 51 transitions. [2021-11-20 06:35:37,819 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:35:37,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 51 transitions. [2021-11-20 06:35:37,820 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-11-20 06:35:37,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:35:37,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:35:37,821 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 06:35:37,821 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:35:37,821 INFO L791 eck$LassoCheckResult]: Stem: 272#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 255#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~malloc30#1.base, main_#t~malloc30#1.offset, main_#t~nondet32#1, main_#t~post31#1, main_~i~0#1, main_#t~nondet33#1, main_#t~ret34#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~base~0#1, main_~#end~0#1.base, main_~#end~0#1.offset;main_~in_len~0#1 := main_#t~nondet29#1;havoc main_#t~nondet29#1; 256#L563 assume !(main_~in_len~0#1 < 1);call main_#t~malloc30#1.base, main_#t~malloc30#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc30#1.base, main_#t~malloc30#1.offset;main_~i~0#1 := 0; 266#L565-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 267#L565-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~base~0#1 := main_#t~nondet33#1;havoc main_#t~nondet33#1;call main_~#end~0#1.base, main_~#end~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#end~0#1.base, main_~#end~0#1.offset, 8);assume { :begin_inline_strtol } true;strtol_#in~nptr#1.base, strtol_#in~nptr#1.offset, strtol_#in~endptr#1.base, strtol_#in~endptr#1.offset, strtol_#in~base#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~#end~0#1.base, main_~#end~0#1.offset, main_~base~0#1;havoc strtol_#res#1;havoc strtol_#t~post22#1.base, strtol_#t~post22#1.offset, strtol_#t~mem21#1, strtol_#t~mem23#1, strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset, strtol_#t~ret25#1, strtol_#t~mem26#1.base, strtol_#t~mem26#1.offset, strtol_#t~short27#1, strtol_#t~ite28#1, strtol_~nptr#1.base, strtol_~nptr#1.offset, strtol_~endptr#1.base, strtol_~endptr#1.offset, strtol_~base#1, strtol_~neg~1#1, strtol_~v~1#1, strtol_~orig~1#1.base, strtol_~orig~1#1.offset;strtol_~nptr#1.base, strtol_~nptr#1.offset := strtol_#in~nptr#1.base, strtol_#in~nptr#1.offset;strtol_~endptr#1.base, strtol_~endptr#1.offset := strtol_#in~endptr#1.base, strtol_#in~endptr#1.offset;strtol_~base#1 := strtol_#in~base#1;strtol_~neg~1#1 := 0;havoc strtol_~v~1#1;strtol_~orig~1#1.base, strtol_~orig~1#1.offset := strtol_~nptr#1.base, strtol_~nptr#1.offset; 274#L555-3 [2021-11-20 06:35:37,822 INFO L793 eck$LassoCheckResult]: Loop: 274#L555-3 call strtol_#t~mem21#1 := read~int(strtol_~nptr#1.base, strtol_~nptr#1.offset, 1); 275#L555-1 assume !!(32 == strtol_#t~mem21#1);havoc strtol_#t~mem21#1;strtol_#t~post22#1.base, strtol_#t~post22#1.offset := strtol_~nptr#1.base, strtol_~nptr#1.offset;strtol_~nptr#1.base, strtol_~nptr#1.offset := strtol_#t~post22#1.base, 1 + strtol_#t~post22#1.offset;havoc strtol_#t~post22#1.base, strtol_#t~post22#1.offset; 274#L555-3 [2021-11-20 06:35:37,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:37,822 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2021-11-20 06:35:37,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:37,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059153357] [2021-11-20 06:35:37,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:37,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:37,841 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:37,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:37,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:37,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times [2021-11-20 06:35:37,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:37,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643139286] [2021-11-20 06:35:37,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:37,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:37,869 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:37,874 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:37,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:37,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1806941585, now seen corresponding path program 1 times [2021-11-20 06:35:37,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:37,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489871418] [2021-11-20 06:35:37,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:37,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:35:37,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:35:37,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489871418] [2021-11-20 06:35:37,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489871418] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:35:37,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:35:37,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:35:37,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789992874] [2021-11-20 06:35:38,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:35:38,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:35:38,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:35:38,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:35:38,051 INFO L87 Difference]: Start difference. First operand 35 states and 51 transitions. cyclomatic complexity: 20 Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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) [2021-11-20 06:35:38,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-11-20 06:35:38,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:35:38,265 INFO L93 Difference]: Finished difference Result 89 states and 130 transitions. [2021-11-20 06:35:38,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:35:38,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 89 states and 130 transitions. [2021-11-20 06:35:38,276 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 35 [2021-11-20 06:35:38,279 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 89 states to 89 states and 130 transitions. [2021-11-20 06:35:38,280 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2021-11-20 06:35:38,282 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2021-11-20 06:35:38,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 130 transitions. [2021-11-20 06:35:38,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:35:38,283 INFO L681 BuchiCegarLoop]: Abstraction has 89 states and 130 transitions. [2021-11-20 06:35:38,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 130 transitions. [2021-11-20 06:35:38,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 38. [2021-11-20 06:35:38,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 37 states have internal predecessors, (54), 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) [2021-11-20 06:35:38,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 54 transitions. [2021-11-20 06:35:38,293 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 54 transitions. [2021-11-20 06:35:38,293 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 54 transitions. [2021-11-20 06:35:38,293 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 06:35:38,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 54 transitions. [2021-11-20 06:35:38,298 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-11-20 06:35:38,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:35:38,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:35:38,299 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:35:38,299 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:35:38,299 INFO L791 eck$LassoCheckResult]: Stem: 414#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 395#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~malloc30#1.base, main_#t~malloc30#1.offset, main_#t~nondet32#1, main_#t~post31#1, main_~i~0#1, main_#t~nondet33#1, main_#t~ret34#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~base~0#1, main_~#end~0#1.base, main_~#end~0#1.offset;main_~in_len~0#1 := main_#t~nondet29#1;havoc main_#t~nondet29#1; 396#L563 assume !(main_~in_len~0#1 < 1);call main_#t~malloc30#1.base, main_#t~malloc30#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc30#1.base, main_#t~malloc30#1.offset;main_~i~0#1 := 0; 405#L565-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet32#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet32#1; 407#L565-2 main_#t~post31#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post31#1;havoc main_#t~post31#1; 408#L565-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 409#L565-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~base~0#1 := main_#t~nondet33#1;havoc main_#t~nondet33#1;call main_~#end~0#1.base, main_~#end~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#end~0#1.base, main_~#end~0#1.offset, 8);assume { :begin_inline_strtol } true;strtol_#in~nptr#1.base, strtol_#in~nptr#1.offset, strtol_#in~endptr#1.base, strtol_#in~endptr#1.offset, strtol_#in~base#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~#end~0#1.base, main_~#end~0#1.offset, main_~base~0#1;havoc strtol_#res#1;havoc strtol_#t~post22#1.base, strtol_#t~post22#1.offset, strtol_#t~mem21#1, strtol_#t~mem23#1, strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset, strtol_#t~ret25#1, strtol_#t~mem26#1.base, strtol_#t~mem26#1.offset, strtol_#t~short27#1, strtol_#t~ite28#1, strtol_~nptr#1.base, strtol_~nptr#1.offset, strtol_~endptr#1.base, strtol_~endptr#1.offset, strtol_~base#1, strtol_~neg~1#1, strtol_~v~1#1, strtol_~orig~1#1.base, strtol_~orig~1#1.offset;strtol_~nptr#1.base, strtol_~nptr#1.offset := strtol_#in~nptr#1.base, strtol_#in~nptr#1.offset;strtol_~endptr#1.base, strtol_~endptr#1.offset := strtol_#in~endptr#1.base, strtol_#in~endptr#1.offset;strtol_~base#1 := strtol_#in~base#1;strtol_~neg~1#1 := 0;havoc strtol_~v~1#1;strtol_~orig~1#1.base, strtol_~orig~1#1.offset := strtol_~nptr#1.base, strtol_~nptr#1.offset; 415#L555-3 [2021-11-20 06:35:38,300 INFO L793 eck$LassoCheckResult]: Loop: 415#L555-3 call strtol_#t~mem21#1 := read~int(strtol_~nptr#1.base, strtol_~nptr#1.offset, 1); 416#L555-1 assume !!(32 == strtol_#t~mem21#1);havoc strtol_#t~mem21#1;strtol_#t~post22#1.base, strtol_#t~post22#1.offset := strtol_~nptr#1.base, strtol_~nptr#1.offset;strtol_~nptr#1.base, strtol_~nptr#1.offset := strtol_#t~post22#1.base, 1 + strtol_#t~post22#1.offset;havoc strtol_#t~post22#1.base, strtol_#t~post22#1.offset; 415#L555-3 [2021-11-20 06:35:38,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:38,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2021-11-20 06:35:38,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:38,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339347528] [2021-11-20 06:35:38,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:38,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:38,329 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:38,358 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:38,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:38,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 2 times [2021-11-20 06:35:38,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:38,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370207493] [2021-11-20 06:35:38,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:38,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:38,363 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:38,367 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:38,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:38,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1357243763, now seen corresponding path program 1 times [2021-11-20 06:35:38,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:38,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074414538] [2021-11-20 06:35:38,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:38,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:38,412 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:38,455 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:39,935 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:35:39,935 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:35:39,935 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:35:39,936 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:35:39,936 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:35:39,936 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:39,936 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:35:39,936 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:35:39,936 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtol.i_Iteration3_Lasso [2021-11-20 06:35:39,936 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:35:39,936 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:35:39,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:40,639 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:35:40,639 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:35:40,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:40,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:40,640 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:40,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:35:40,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:40,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:40,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:40,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:40,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:40,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:40,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:40,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:40,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:40,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:40,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:40,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:40,700 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:40,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:35:40,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:40,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:40,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:40,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:40,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:40,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:40,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:40,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:40,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:40,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:40,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:40,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:40,732 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:40,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:40,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:40,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:40,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:40,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:40,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:40,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:40,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:35:40,801 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:35:40,832 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-20 06:35:40,832 INFO L444 ModelExtractionUtils]: 8 out of 34 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-11-20 06:35:40,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:40,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:40,834 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:40,840 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:35:40,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:35:40,870 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:35:40,870 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:35:40,870 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strtol_~nptr#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc30#1.base)_2) = -1*ULTIMATE.start_strtol_~nptr#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc30#1.base)_2 Supporting invariants [] [2021-11-20 06:35:40,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-20 06:35:40,917 INFO L297 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2021-11-20 06:35:40,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:40,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:35:40,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:35:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:41,003 WARN L261 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:35:41,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:35:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:35:41,027 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 [2021-11-20 06:35:41,027 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 54 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2021-11-20 06:35:41,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:41,184 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 54 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 115 states and 171 transitions. Complement of second has 7 states. [2021-11-20 06:35:41,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:35:41,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2021-11-20 06:35:41,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 85 transitions. [2021-11-20 06:35:41,192 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 85 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-20 06:35:41,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:35:41,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 85 transitions. Stem has 9 letters. Loop has 2 letters. [2021-11-20 06:35:41,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:35:41,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 85 transitions. Stem has 7 letters. Loop has 4 letters. [2021-11-20 06:35:41,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:35:41,194 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 115 states and 171 transitions. [2021-11-20 06:35:41,197 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 22 [2021-11-20 06:35:41,201 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 115 states to 68 states and 98 transitions. [2021-11-20 06:35:41,201 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2021-11-20 06:35:41,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64 [2021-11-20 06:35:41,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 98 transitions. [2021-11-20 06:35:41,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:35:41,202 INFO L681 BuchiCegarLoop]: Abstraction has 68 states and 98 transitions. [2021-11-20 06:35:41,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 98 transitions. [2021-11-20 06:35:41,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 42. [2021-11-20 06:35:41,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 41 states have internal predecessors, (60), 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) [2021-11-20 06:35:41,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 60 transitions. [2021-11-20 06:35:41,212 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 60 transitions. [2021-11-20 06:35:41,213 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 60 transitions. [2021-11-20 06:35:41,213 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 06:35:41,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 60 transitions. [2021-11-20 06:35:41,216 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2021-11-20 06:35:41,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:35:41,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:35:41,218 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:35:41,218 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:35:41,218 INFO L791 eck$LassoCheckResult]: Stem: 665#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 647#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~malloc30#1.base, main_#t~malloc30#1.offset, main_#t~nondet32#1, main_#t~post31#1, main_~i~0#1, main_#t~nondet33#1, main_#t~ret34#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~base~0#1, main_~#end~0#1.base, main_~#end~0#1.offset;main_~in_len~0#1 := main_#t~nondet29#1;havoc main_#t~nondet29#1; 648#L563 assume !(main_~in_len~0#1 < 1);call main_#t~malloc30#1.base, main_#t~malloc30#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc30#1.base, main_#t~malloc30#1.offset;main_~i~0#1 := 0; 656#L565-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 657#L565-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~base~0#1 := main_#t~nondet33#1;havoc main_#t~nondet33#1;call main_~#end~0#1.base, main_~#end~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#end~0#1.base, main_~#end~0#1.offset, 8);assume { :begin_inline_strtol } true;strtol_#in~nptr#1.base, strtol_#in~nptr#1.offset, strtol_#in~endptr#1.base, strtol_#in~endptr#1.offset, strtol_#in~base#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~#end~0#1.base, main_~#end~0#1.offset, main_~base~0#1;havoc strtol_#res#1;havoc strtol_#t~post22#1.base, strtol_#t~post22#1.offset, strtol_#t~mem21#1, strtol_#t~mem23#1, strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset, strtol_#t~ret25#1, strtol_#t~mem26#1.base, strtol_#t~mem26#1.offset, strtol_#t~short27#1, strtol_#t~ite28#1, strtol_~nptr#1.base, strtol_~nptr#1.offset, strtol_~endptr#1.base, strtol_~endptr#1.offset, strtol_~base#1, strtol_~neg~1#1, strtol_~v~1#1, strtol_~orig~1#1.base, strtol_~orig~1#1.offset;strtol_~nptr#1.base, strtol_~nptr#1.offset := strtol_#in~nptr#1.base, strtol_#in~nptr#1.offset;strtol_~endptr#1.base, strtol_~endptr#1.offset := strtol_#in~endptr#1.base, strtol_#in~endptr#1.offset;strtol_~base#1 := strtol_#in~base#1;strtol_~neg~1#1 := 0;havoc strtol_~v~1#1;strtol_~orig~1#1.base, strtol_~orig~1#1.offset := strtol_~nptr#1.base, strtol_~nptr#1.offset; 666#L555-3 call strtol_#t~mem21#1 := read~int(strtol_~nptr#1.base, strtol_~nptr#1.offset, 1); 667#L555-1 assume !(32 == strtol_#t~mem21#1);havoc strtol_#t~mem21#1; 677#L555-4 call strtol_#t~mem23#1 := read~int(strtol_~nptr#1.base, strtol_~nptr#1.offset, 1); 679#L556 assume 45 == strtol_#t~mem23#1;havoc strtol_#t~mem23#1;strtol_~neg~1#1 := -1;strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset := strtol_~nptr#1.base, 1 + strtol_~nptr#1.offset;strtol_~nptr#1.base, strtol_~nptr#1.offset := strtol_~nptr#1.base, 1 + strtol_~nptr#1.offset;havoc strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset; 675#L556-2 assume { :begin_inline_strtoul } true;strtoul_#in~ptr#1.base, strtoul_#in~ptr#1.offset, strtoul_#in~endptr#1.base, strtoul_#in~endptr#1.offset, strtoul_#in~base#1 := strtol_~nptr#1.base, strtol_~nptr#1.offset, strtol_~endptr#1.base, strtol_~endptr#1.offset, strtol_~base#1;havoc strtoul_#res#1;havoc strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset, strtoul_#t~mem2#1, strtoul_#t~mem4#1, strtoul_#t~post5#1.base, strtoul_#t~post5#1.offset, strtoul_#t~mem6#1, strtoul_#t~pre7#1.base, strtoul_#t~pre7#1.offset, strtoul_#t~mem8#1, strtoul_#t~short9#1, strtoul_~b~0#1, strtoul_#t~mem10#1, strtoul_#t~mem11#1, strtoul_#t~mem12#1, strtoul_#t~short13#1, strtoul_#t~mem14#1, strtoul_#t~ite17#1, strtoul_#t~ite16#1, strtoul_#t~ite15#1, strtoul_~x~0#1, strtoul_~w~0#1, strtoul_#t~pre18#1.base, strtoul_#t~pre18#1.offset, strtoul_~c~0#1, strtoul_#t~mem19#1, strtoul_#t~ite20#1, strtoul_~ptr#1.base, strtoul_~ptr#1.offset, strtoul_~endptr#1.base, strtoul_~endptr#1.offset, strtoul_~base#1, strtoul_~neg~0#1, strtoul_~v~0#1, strtoul_~orig~0#1.base, strtoul_~orig~0#1.offset, strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset;strtoul_~ptr#1.base, strtoul_~ptr#1.offset := strtoul_#in~ptr#1.base, strtoul_#in~ptr#1.offset;strtoul_~endptr#1.base, strtoul_~endptr#1.offset := strtoul_#in~endptr#1.base, strtoul_#in~endptr#1.offset;strtoul_~base#1 := strtoul_#in~base#1;strtoul_~neg~0#1 := 0;strtoul_~v~0#1 := 0;havoc strtoul_~orig~0#1.base, strtoul_~orig~0#1.offset;strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset := strtoul_~ptr#1.base, strtoul_~ptr#1.offset; 661#L513-3 [2021-11-20 06:35:41,219 INFO L793 eck$LassoCheckResult]: Loop: 661#L513-3 call strtoul_#t~mem2#1 := read~int(strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset, 1); 662#L513-1 assume !!(32 == strtoul_#t~mem2#1);havoc strtoul_#t~mem2#1;strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset := strtoul_~nptr~0#1.base, 1 + strtoul_~nptr~0#1.offset;strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset := strtoul_~nptr~0#1.base, 1 + strtoul_~nptr~0#1.offset;havoc strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset; 661#L513-3 [2021-11-20 06:35:41,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:41,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1771613240, now seen corresponding path program 1 times [2021-11-20 06:35:41,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:41,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671330030] [2021-11-20 06:35:41,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:41,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:41,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:35:41,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:35:41,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671330030] [2021-11-20 06:35:41,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671330030] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:35:41,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:35:41,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:35:41,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928751406] [2021-11-20 06:35:41,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:35:41,304 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:35:41,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:41,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 1 times [2021-11-20 06:35:41,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:41,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351548395] [2021-11-20 06:35:41,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:41,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:41,310 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:41,320 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:41,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:35:41,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:35:41,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:35:41,355 INFO L87 Difference]: Start difference. First operand 42 states and 60 transitions. cyclomatic complexity: 22 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-11-20 06:35:41,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:35:41,482 INFO L93 Difference]: Finished difference Result 72 states and 101 transitions. [2021-11-20 06:35:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:35:41,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 101 transitions. [2021-11-20 06:35:41,484 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 22 [2021-11-20 06:35:41,485 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 69 states and 98 transitions. [2021-11-20 06:35:41,485 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 64 [2021-11-20 06:35:41,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64 [2021-11-20 06:35:41,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 98 transitions. [2021-11-20 06:35:41,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:35:41,486 INFO L681 BuchiCegarLoop]: Abstraction has 69 states and 98 transitions. [2021-11-20 06:35:41,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 98 transitions. [2021-11-20 06:35:41,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 41. [2021-11-20 06:35:41,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 40 states have internal predecessors, (58), 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) [2021-11-20 06:35:41,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2021-11-20 06:35:41,489 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 58 transitions. [2021-11-20 06:35:41,489 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 58 transitions. [2021-11-20 06:35:41,490 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 06:35:41,490 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 58 transitions. [2021-11-20 06:35:41,490 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2021-11-20 06:35:41,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:35:41,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:35:41,491 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:35:41,491 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:35:41,491 INFO L791 eck$LassoCheckResult]: Stem: 794#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 775#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~malloc30#1.base, main_#t~malloc30#1.offset, main_#t~nondet32#1, main_#t~post31#1, main_~i~0#1, main_#t~nondet33#1, main_#t~ret34#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~base~0#1, main_~#end~0#1.base, main_~#end~0#1.offset;main_~in_len~0#1 := main_#t~nondet29#1;havoc main_#t~nondet29#1; 776#L563 assume !(main_~in_len~0#1 < 1);call main_#t~malloc30#1.base, main_#t~malloc30#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc30#1.base, main_#t~malloc30#1.offset;main_~i~0#1 := 0; 785#L565-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 786#L565-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~base~0#1 := main_#t~nondet33#1;havoc main_#t~nondet33#1;call main_~#end~0#1.base, main_~#end~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#end~0#1.base, main_~#end~0#1.offset, 8);assume { :begin_inline_strtol } true;strtol_#in~nptr#1.base, strtol_#in~nptr#1.offset, strtol_#in~endptr#1.base, strtol_#in~endptr#1.offset, strtol_#in~base#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~#end~0#1.base, main_~#end~0#1.offset, main_~base~0#1;havoc strtol_#res#1;havoc strtol_#t~post22#1.base, strtol_#t~post22#1.offset, strtol_#t~mem21#1, strtol_#t~mem23#1, strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset, strtol_#t~ret25#1, strtol_#t~mem26#1.base, strtol_#t~mem26#1.offset, strtol_#t~short27#1, strtol_#t~ite28#1, strtol_~nptr#1.base, strtol_~nptr#1.offset, strtol_~endptr#1.base, strtol_~endptr#1.offset, strtol_~base#1, strtol_~neg~1#1, strtol_~v~1#1, strtol_~orig~1#1.base, strtol_~orig~1#1.offset;strtol_~nptr#1.base, strtol_~nptr#1.offset := strtol_#in~nptr#1.base, strtol_#in~nptr#1.offset;strtol_~endptr#1.base, strtol_~endptr#1.offset := strtol_#in~endptr#1.base, strtol_#in~endptr#1.offset;strtol_~base#1 := strtol_#in~base#1;strtol_~neg~1#1 := 0;havoc strtol_~v~1#1;strtol_~orig~1#1.base, strtol_~orig~1#1.offset := strtol_~nptr#1.base, strtol_~nptr#1.offset; 795#L555-3 call strtol_#t~mem21#1 := read~int(strtol_~nptr#1.base, strtol_~nptr#1.offset, 1); 796#L555-1 assume !(32 == strtol_#t~mem21#1);havoc strtol_#t~mem21#1; 769#L555-4 call strtol_#t~mem23#1 := read~int(strtol_~nptr#1.base, strtol_~nptr#1.offset, 1); 770#L556 assume !(45 == strtol_#t~mem23#1);havoc strtol_#t~mem23#1; 803#L556-2 assume { :begin_inline_strtoul } true;strtoul_#in~ptr#1.base, strtoul_#in~ptr#1.offset, strtoul_#in~endptr#1.base, strtoul_#in~endptr#1.offset, strtoul_#in~base#1 := strtol_~nptr#1.base, strtol_~nptr#1.offset, strtol_~endptr#1.base, strtol_~endptr#1.offset, strtol_~base#1;havoc strtoul_#res#1;havoc strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset, strtoul_#t~mem2#1, strtoul_#t~mem4#1, strtoul_#t~post5#1.base, strtoul_#t~post5#1.offset, strtoul_#t~mem6#1, strtoul_#t~pre7#1.base, strtoul_#t~pre7#1.offset, strtoul_#t~mem8#1, strtoul_#t~short9#1, strtoul_~b~0#1, strtoul_#t~mem10#1, strtoul_#t~mem11#1, strtoul_#t~mem12#1, strtoul_#t~short13#1, strtoul_#t~mem14#1, strtoul_#t~ite17#1, strtoul_#t~ite16#1, strtoul_#t~ite15#1, strtoul_~x~0#1, strtoul_~w~0#1, strtoul_#t~pre18#1.base, strtoul_#t~pre18#1.offset, strtoul_~c~0#1, strtoul_#t~mem19#1, strtoul_#t~ite20#1, strtoul_~ptr#1.base, strtoul_~ptr#1.offset, strtoul_~endptr#1.base, strtoul_~endptr#1.offset, strtoul_~base#1, strtoul_~neg~0#1, strtoul_~v~0#1, strtoul_~orig~0#1.base, strtoul_~orig~0#1.offset, strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset;strtoul_~ptr#1.base, strtoul_~ptr#1.offset := strtoul_#in~ptr#1.base, strtoul_#in~ptr#1.offset;strtoul_~endptr#1.base, strtoul_~endptr#1.offset := strtoul_#in~endptr#1.base, strtoul_#in~endptr#1.offset;strtoul_~base#1 := strtoul_#in~base#1;strtoul_~neg~0#1 := 0;strtoul_~v~0#1 := 0;havoc strtoul_~orig~0#1.base, strtoul_~orig~0#1.offset;strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset := strtoul_~ptr#1.base, strtoul_~ptr#1.offset; 790#L513-3 [2021-11-20 06:35:41,491 INFO L793 eck$LassoCheckResult]: Loop: 790#L513-3 call strtoul_#t~mem2#1 := read~int(strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset, 1); 791#L513-1 assume !!(32 == strtoul_#t~mem2#1);havoc strtoul_#t~mem2#1;strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset := strtoul_~nptr~0#1.base, 1 + strtoul_~nptr~0#1.offset;strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset := strtoul_~nptr~0#1.base, 1 + strtoul_~nptr~0#1.offset;havoc strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset; 790#L513-3 [2021-11-20 06:35:41,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:41,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1771613302, now seen corresponding path program 1 times [2021-11-20 06:35:41,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:41,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943289257] [2021-11-20 06:35:41,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:41,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:41,502 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:41,517 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:41,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:41,518 INFO L85 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 2 times [2021-11-20 06:35:41,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:41,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246845332] [2021-11-20 06:35:41,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:41,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:41,521 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:41,524 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:41,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:41,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1713335515, now seen corresponding path program 1 times [2021-11-20 06:35:41,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:41,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222994824] [2021-11-20 06:35:41,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:41,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:41,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:35:41,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:35:41,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222994824] [2021-11-20 06:35:41,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222994824] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:35:41,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:35:41,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:35:41,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519613858] [2021-11-20 06:35:41,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:35:41,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:35:41,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:35:41,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:35:41,599 INFO L87 Difference]: Start difference. First operand 41 states and 58 transitions. cyclomatic complexity: 21 Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:35:41,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:35:41,740 INFO L93 Difference]: Finished difference Result 83 states and 120 transitions. [2021-11-20 06:35:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:35:41,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 120 transitions. [2021-11-20 06:35:41,742 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2021-11-20 06:35:41,743 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 83 states and 120 transitions. [2021-11-20 06:35:41,743 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 79 [2021-11-20 06:35:41,743 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 79 [2021-11-20 06:35:41,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 120 transitions. [2021-11-20 06:35:41,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:35:41,744 INFO L681 BuchiCegarLoop]: Abstraction has 83 states and 120 transitions. [2021-11-20 06:35:41,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 120 transitions. [2021-11-20 06:35:41,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 44. [2021-11-20 06:35:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 43 states have internal predecessors, (61), 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) [2021-11-20 06:35:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 61 transitions. [2021-11-20 06:35:41,747 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 61 transitions. [2021-11-20 06:35:41,747 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 61 transitions. [2021-11-20 06:35:41,747 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-20 06:35:41,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 61 transitions. [2021-11-20 06:35:41,747 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2021-11-20 06:35:41,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:35:41,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:35:41,748 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:35:41,748 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:35:41,748 INFO L791 eck$LassoCheckResult]: Stem: 933#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 914#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~malloc30#1.base, main_#t~malloc30#1.offset, main_#t~nondet32#1, main_#t~post31#1, main_~i~0#1, main_#t~nondet33#1, main_#t~ret34#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~base~0#1, main_~#end~0#1.base, main_~#end~0#1.offset;main_~in_len~0#1 := main_#t~nondet29#1;havoc main_#t~nondet29#1; 915#L563 assume !(main_~in_len~0#1 < 1);call main_#t~malloc30#1.base, main_#t~malloc30#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc30#1.base, main_#t~malloc30#1.offset;main_~i~0#1 := 0; 924#L565-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet32#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet32#1; 926#L565-2 main_#t~post31#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post31#1;havoc main_#t~post31#1; 927#L565-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 928#L565-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~base~0#1 := main_#t~nondet33#1;havoc main_#t~nondet33#1;call main_~#end~0#1.base, main_~#end~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#end~0#1.base, main_~#end~0#1.offset, 8);assume { :begin_inline_strtol } true;strtol_#in~nptr#1.base, strtol_#in~nptr#1.offset, strtol_#in~endptr#1.base, strtol_#in~endptr#1.offset, strtol_#in~base#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~#end~0#1.base, main_~#end~0#1.offset, main_~base~0#1;havoc strtol_#res#1;havoc strtol_#t~post22#1.base, strtol_#t~post22#1.offset, strtol_#t~mem21#1, strtol_#t~mem23#1, strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset, strtol_#t~ret25#1, strtol_#t~mem26#1.base, strtol_#t~mem26#1.offset, strtol_#t~short27#1, strtol_#t~ite28#1, strtol_~nptr#1.base, strtol_~nptr#1.offset, strtol_~endptr#1.base, strtol_~endptr#1.offset, strtol_~base#1, strtol_~neg~1#1, strtol_~v~1#1, strtol_~orig~1#1.base, strtol_~orig~1#1.offset;strtol_~nptr#1.base, strtol_~nptr#1.offset := strtol_#in~nptr#1.base, strtol_#in~nptr#1.offset;strtol_~endptr#1.base, strtol_~endptr#1.offset := strtol_#in~endptr#1.base, strtol_#in~endptr#1.offset;strtol_~base#1 := strtol_#in~base#1;strtol_~neg~1#1 := 0;havoc strtol_~v~1#1;strtol_~orig~1#1.base, strtol_~orig~1#1.offset := strtol_~nptr#1.base, strtol_~nptr#1.offset; 948#L555-3 call strtol_#t~mem21#1 := read~int(strtol_~nptr#1.base, strtol_~nptr#1.offset, 1); 938#L555-1 assume !(32 == strtol_#t~mem21#1);havoc strtol_#t~mem21#1; 910#L555-4 call strtol_#t~mem23#1 := read~int(strtol_~nptr#1.base, strtol_~nptr#1.offset, 1); 911#L556 assume 45 == strtol_#t~mem23#1;havoc strtol_#t~mem23#1;strtol_~neg~1#1 := -1;strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset := strtol_~nptr#1.base, 1 + strtol_~nptr#1.offset;strtol_~nptr#1.base, strtol_~nptr#1.offset := strtol_~nptr#1.base, 1 + strtol_~nptr#1.offset;havoc strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset; 949#L556-2 assume { :begin_inline_strtoul } true;strtoul_#in~ptr#1.base, strtoul_#in~ptr#1.offset, strtoul_#in~endptr#1.base, strtoul_#in~endptr#1.offset, strtoul_#in~base#1 := strtol_~nptr#1.base, strtol_~nptr#1.offset, strtol_~endptr#1.base, strtol_~endptr#1.offset, strtol_~base#1;havoc strtoul_#res#1;havoc strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset, strtoul_#t~mem2#1, strtoul_#t~mem4#1, strtoul_#t~post5#1.base, strtoul_#t~post5#1.offset, strtoul_#t~mem6#1, strtoul_#t~pre7#1.base, strtoul_#t~pre7#1.offset, strtoul_#t~mem8#1, strtoul_#t~short9#1, strtoul_~b~0#1, strtoul_#t~mem10#1, strtoul_#t~mem11#1, strtoul_#t~mem12#1, strtoul_#t~short13#1, strtoul_#t~mem14#1, strtoul_#t~ite17#1, strtoul_#t~ite16#1, strtoul_#t~ite15#1, strtoul_~x~0#1, strtoul_~w~0#1, strtoul_#t~pre18#1.base, strtoul_#t~pre18#1.offset, strtoul_~c~0#1, strtoul_#t~mem19#1, strtoul_#t~ite20#1, strtoul_~ptr#1.base, strtoul_~ptr#1.offset, strtoul_~endptr#1.base, strtoul_~endptr#1.offset, strtoul_~base#1, strtoul_~neg~0#1, strtoul_~v~0#1, strtoul_~orig~0#1.base, strtoul_~orig~0#1.offset, strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset;strtoul_~ptr#1.base, strtoul_~ptr#1.offset := strtoul_#in~ptr#1.base, strtoul_#in~ptr#1.offset;strtoul_~endptr#1.base, strtoul_~endptr#1.offset := strtoul_#in~endptr#1.base, strtoul_#in~endptr#1.offset;strtoul_~base#1 := strtoul_#in~base#1;strtoul_~neg~0#1 := 0;strtoul_~v~0#1 := 0;havoc strtoul_~orig~0#1.base, strtoul_~orig~0#1.offset;strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset := strtoul_~ptr#1.base, strtoul_~ptr#1.offset; 929#L513-3 [2021-11-20 06:35:41,748 INFO L793 eck$LassoCheckResult]: Loop: 929#L513-3 call strtoul_#t~mem2#1 := read~int(strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset, 1); 930#L513-1 assume !!(32 == strtoul_#t~mem2#1);havoc strtoul_#t~mem2#1;strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset := strtoul_~nptr~0#1.base, 1 + strtoul_~nptr~0#1.offset;strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset := strtoul_~nptr~0#1.base, 1 + strtoul_~nptr~0#1.offset;havoc strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset; 929#L513-3 [2021-11-20 06:35:41,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:41,749 INFO L85 PathProgramCache]: Analyzing trace with hash 826794262, now seen corresponding path program 1 times [2021-11-20 06:35:41,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:41,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479590887] [2021-11-20 06:35:41,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:41,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:41,774 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:41,812 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:41,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:41,813 INFO L85 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 3 times [2021-11-20 06:35:41,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:41,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768921860] [2021-11-20 06:35:41,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:41,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:41,821 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:41,825 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:41,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:41,826 INFO L85 PathProgramCache]: Analyzing trace with hash -19662469, now seen corresponding path program 1 times [2021-11-20 06:35:41,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:41,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757403604] [2021-11-20 06:35:41,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:41,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:42,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:35:42,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:35:42,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757403604] [2021-11-20 06:35:42,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757403604] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:35:42,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457933513] [2021-11-20 06:35:42,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:42,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:35:42,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:42,038 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:35:42,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-20 06:35:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:42,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-20 06:35:42,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:35:42,260 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 0 case distinctions, treesize of input 27 treesize of output 23 [2021-11-20 06:35:42,664 INFO L354 Elim1Store]: treesize reduction 8, result has 27.3 percent of original size [2021-11-20 06:35:42,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2021-11-20 06:35:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:35:42,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:35:42,789 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 23 treesize of output 21 [2021-11-20 06:35:42,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 23 treesize of output 19 [2021-11-20 06:35:43,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:35:43,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457933513] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:35:43,014 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:35:43,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 25 [2021-11-20 06:35:43,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213010999] [2021-11-20 06:35:43,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:35:43,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:35:43,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-20 06:35:43,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2021-11-20 06:35:43,057 INFO L87 Difference]: Start difference. First operand 44 states and 61 transitions. cyclomatic complexity: 21 Second operand has 26 states, 25 states have (on average 1.44) internal successors, (36), 26 states have internal predecessors, (36), 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) [2021-11-20 06:35:43,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:35:43,251 INFO L93 Difference]: Finished difference Result 86 states and 117 transitions. [2021-11-20 06:35:43,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 06:35:43,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 117 transitions. [2021-11-20 06:35:43,254 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2021-11-20 06:35:43,255 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 86 states and 117 transitions. [2021-11-20 06:35:43,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 78 [2021-11-20 06:35:43,257 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 78 [2021-11-20 06:35:43,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 117 transitions. [2021-11-20 06:35:43,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:35:43,257 INFO L681 BuchiCegarLoop]: Abstraction has 86 states and 117 transitions. [2021-11-20 06:35:43,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 117 transitions. [2021-11-20 06:35:43,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 51. [2021-11-20 06:35:43,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.392156862745098) internal successors, (71), 50 states have internal predecessors, (71), 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) [2021-11-20 06:35:43,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 71 transitions. [2021-11-20 06:35:43,261 INFO L704 BuchiCegarLoop]: Abstraction has 51 states and 71 transitions. [2021-11-20 06:35:43,261 INFO L587 BuchiCegarLoop]: Abstraction has 51 states and 71 transitions. [2021-11-20 06:35:43,261 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-20 06:35:43,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 71 transitions. [2021-11-20 06:35:43,261 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2021-11-20 06:35:43,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:35:43,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:35:43,266 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:35:43,266 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:35:43,267 INFO L791 eck$LassoCheckResult]: Stem: 1179#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~malloc30#1.base, main_#t~malloc30#1.offset, main_#t~nondet32#1, main_#t~post31#1, main_~i~0#1, main_#t~nondet33#1, main_#t~ret34#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~base~0#1, main_~#end~0#1.base, main_~#end~0#1.offset;main_~in_len~0#1 := main_#t~nondet29#1;havoc main_#t~nondet29#1; 1160#L563 assume !(main_~in_len~0#1 < 1);call main_#t~malloc30#1.base, main_#t~malloc30#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc30#1.base, main_#t~malloc30#1.offset;main_~i~0#1 := 0; 1169#L565-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet32#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet32#1; 1171#L565-2 main_#t~post31#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post31#1;havoc main_#t~post31#1; 1200#L565-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 1199#L565-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~base~0#1 := main_#t~nondet33#1;havoc main_#t~nondet33#1;call main_~#end~0#1.base, main_~#end~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#end~0#1.base, main_~#end~0#1.offset, 8);assume { :begin_inline_strtol } true;strtol_#in~nptr#1.base, strtol_#in~nptr#1.offset, strtol_#in~endptr#1.base, strtol_#in~endptr#1.offset, strtol_#in~base#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~#end~0#1.base, main_~#end~0#1.offset, main_~base~0#1;havoc strtol_#res#1;havoc strtol_#t~post22#1.base, strtol_#t~post22#1.offset, strtol_#t~mem21#1, strtol_#t~mem23#1, strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset, strtol_#t~ret25#1, strtol_#t~mem26#1.base, strtol_#t~mem26#1.offset, strtol_#t~short27#1, strtol_#t~ite28#1, strtol_~nptr#1.base, strtol_~nptr#1.offset, strtol_~endptr#1.base, strtol_~endptr#1.offset, strtol_~base#1, strtol_~neg~1#1, strtol_~v~1#1, strtol_~orig~1#1.base, strtol_~orig~1#1.offset;strtol_~nptr#1.base, strtol_~nptr#1.offset := strtol_#in~nptr#1.base, strtol_#in~nptr#1.offset;strtol_~endptr#1.base, strtol_~endptr#1.offset := strtol_#in~endptr#1.base, strtol_#in~endptr#1.offset;strtol_~base#1 := strtol_#in~base#1;strtol_~neg~1#1 := 0;havoc strtol_~v~1#1;strtol_~orig~1#1.base, strtol_~orig~1#1.offset := strtol_~nptr#1.base, strtol_~nptr#1.offset; 1198#L555-3 call strtol_#t~mem21#1 := read~int(strtol_~nptr#1.base, strtol_~nptr#1.offset, 1); 1190#L555-1 assume !!(32 == strtol_#t~mem21#1);havoc strtol_#t~mem21#1;strtol_#t~post22#1.base, strtol_#t~post22#1.offset := strtol_~nptr#1.base, strtol_~nptr#1.offset;strtol_~nptr#1.base, strtol_~nptr#1.offset := strtol_#t~post22#1.base, 1 + strtol_#t~post22#1.offset;havoc strtol_#t~post22#1.base, strtol_#t~post22#1.offset; 1182#L555-3 call strtol_#t~mem21#1 := read~int(strtol_~nptr#1.base, strtol_~nptr#1.offset, 1); 1183#L555-1 assume !(32 == strtol_#t~mem21#1);havoc strtol_#t~mem21#1; 1197#L555-4 call strtol_#t~mem23#1 := read~int(strtol_~nptr#1.base, strtol_~nptr#1.offset, 1); 1196#L556 assume 45 == strtol_#t~mem23#1;havoc strtol_#t~mem23#1;strtol_~neg~1#1 := -1;strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset := strtol_~nptr#1.base, 1 + strtol_~nptr#1.offset;strtol_~nptr#1.base, strtol_~nptr#1.offset := strtol_~nptr#1.base, 1 + strtol_~nptr#1.offset;havoc strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset; 1195#L556-2 assume { :begin_inline_strtoul } true;strtoul_#in~ptr#1.base, strtoul_#in~ptr#1.offset, strtoul_#in~endptr#1.base, strtoul_#in~endptr#1.offset, strtoul_#in~base#1 := strtol_~nptr#1.base, strtol_~nptr#1.offset, strtol_~endptr#1.base, strtol_~endptr#1.offset, strtol_~base#1;havoc strtoul_#res#1;havoc strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset, strtoul_#t~mem2#1, strtoul_#t~mem4#1, strtoul_#t~post5#1.base, strtoul_#t~post5#1.offset, strtoul_#t~mem6#1, strtoul_#t~pre7#1.base, strtoul_#t~pre7#1.offset, strtoul_#t~mem8#1, strtoul_#t~short9#1, strtoul_~b~0#1, strtoul_#t~mem10#1, strtoul_#t~mem11#1, strtoul_#t~mem12#1, strtoul_#t~short13#1, strtoul_#t~mem14#1, strtoul_#t~ite17#1, strtoul_#t~ite16#1, strtoul_#t~ite15#1, strtoul_~x~0#1, strtoul_~w~0#1, strtoul_#t~pre18#1.base, strtoul_#t~pre18#1.offset, strtoul_~c~0#1, strtoul_#t~mem19#1, strtoul_#t~ite20#1, strtoul_~ptr#1.base, strtoul_~ptr#1.offset, strtoul_~endptr#1.base, strtoul_~endptr#1.offset, strtoul_~base#1, strtoul_~neg~0#1, strtoul_~v~0#1, strtoul_~orig~0#1.base, strtoul_~orig~0#1.offset, strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset;strtoul_~ptr#1.base, strtoul_~ptr#1.offset := strtoul_#in~ptr#1.base, strtoul_#in~ptr#1.offset;strtoul_~endptr#1.base, strtoul_~endptr#1.offset := strtoul_#in~endptr#1.base, strtoul_#in~endptr#1.offset;strtoul_~base#1 := strtoul_#in~base#1;strtoul_~neg~0#1 := 0;strtoul_~v~0#1 := 0;havoc strtoul_~orig~0#1.base, strtoul_~orig~0#1.offset;strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset := strtoul_~ptr#1.base, strtoul_~ptr#1.offset; 1194#L513-3 [2021-11-20 06:35:43,267 INFO L793 eck$LassoCheckResult]: Loop: 1194#L513-3 call strtoul_#t~mem2#1 := read~int(strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset, 1); 1193#L513-1 assume !!(32 == strtoul_#t~mem2#1);havoc strtoul_#t~mem2#1;strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset := strtoul_~nptr~0#1.base, 1 + strtoul_~nptr~0#1.offset;strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset := strtoul_~nptr~0#1.base, 1 + strtoul_~nptr~0#1.offset;havoc strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset; 1194#L513-3 [2021-11-20 06:35:43,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:43,268 INFO L85 PathProgramCache]: Analyzing trace with hash 29009009, now seen corresponding path program 1 times [2021-11-20 06:35:43,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:43,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335411235] [2021-11-20 06:35:43,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:43,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:43,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:35:43,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:35:43,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335411235] [2021-11-20 06:35:43,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335411235] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:35:43,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765492236] [2021-11-20 06:35:43,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:43,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:35:43,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:43,466 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:35:43,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-20 06:35:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:43,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-20 06:35:43,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:35:43,642 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 0 case distinctions, treesize of input 27 treesize of output 23 [2021-11-20 06:35:43,911 INFO L354 Elim1Store]: treesize reduction 8, result has 27.3 percent of original size [2021-11-20 06:35:43,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2021-11-20 06:35:43,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:35:43,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:35:44,031 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 22 treesize of output 20 [2021-11-20 06:35:44,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 32 treesize of output 28 [2021-11-20 06:35:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:35:44,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765492236] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:35:44,247 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:35:44,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 25 [2021-11-20 06:35:44,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117285213] [2021-11-20 06:35:44,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:35:44,248 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:35:44,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:44,248 INFO L85 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 4 times [2021-11-20 06:35:44,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:44,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663518045] [2021-11-20 06:35:44,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:44,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:44,253 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:44,255 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:44,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:35:44,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-20 06:35:44,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2021-11-20 06:35:44,295 INFO L87 Difference]: Start difference. First operand 51 states and 71 transitions. cyclomatic complexity: 24 Second operand has 25 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 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) [2021-11-20 06:35:44,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:35:44,517 INFO L93 Difference]: Finished difference Result 88 states and 120 transitions. [2021-11-20 06:35:44,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:35:44,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 88 states and 120 transitions. [2021-11-20 06:35:44,519 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2021-11-20 06:35:44,519 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 88 states to 86 states and 118 transitions. [2021-11-20 06:35:44,520 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76 [2021-11-20 06:35:44,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 76 [2021-11-20 06:35:44,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 118 transitions. [2021-11-20 06:35:44,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:35:44,520 INFO L681 BuchiCegarLoop]: Abstraction has 86 states and 118 transitions. [2021-11-20 06:35:44,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 118 transitions. [2021-11-20 06:35:44,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 53. [2021-11-20 06:35:44,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 52 states have internal predecessors, (74), 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) [2021-11-20 06:35:44,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 74 transitions. [2021-11-20 06:35:44,524 INFO L704 BuchiCegarLoop]: Abstraction has 53 states and 74 transitions. [2021-11-20 06:35:44,524 INFO L587 BuchiCegarLoop]: Abstraction has 53 states and 74 transitions. [2021-11-20 06:35:44,524 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-20 06:35:44,524 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 74 transitions. [2021-11-20 06:35:44,525 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2021-11-20 06:35:44,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:35:44,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:35:44,526 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:35:44,526 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:35:44,526 INFO L791 eck$LassoCheckResult]: Stem: 1432#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1412#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~malloc30#1.base, main_#t~malloc30#1.offset, main_#t~nondet32#1, main_#t~post31#1, main_~i~0#1, main_#t~nondet33#1, main_#t~ret34#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~base~0#1, main_~#end~0#1.base, main_~#end~0#1.offset;main_~in_len~0#1 := main_#t~nondet29#1;havoc main_#t~nondet29#1; 1413#L563 assume !(main_~in_len~0#1 < 1);call main_#t~malloc30#1.base, main_#t~malloc30#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc30#1.base, main_#t~malloc30#1.offset;main_~i~0#1 := 0; 1422#L565-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet32#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet32#1; 1424#L565-2 main_#t~post31#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post31#1;havoc main_#t~post31#1; 1453#L565-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet32#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet32#1; 1427#L565-2 main_#t~post31#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post31#1;havoc main_#t~post31#1; 1425#L565-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 1426#L565-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~base~0#1 := main_#t~nondet33#1;havoc main_#t~nondet33#1;call main_~#end~0#1.base, main_~#end~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#end~0#1.base, main_~#end~0#1.offset, 8);assume { :begin_inline_strtol } true;strtol_#in~nptr#1.base, strtol_#in~nptr#1.offset, strtol_#in~endptr#1.base, strtol_#in~endptr#1.offset, strtol_#in~base#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~#end~0#1.base, main_~#end~0#1.offset, main_~base~0#1;havoc strtol_#res#1;havoc strtol_#t~post22#1.base, strtol_#t~post22#1.offset, strtol_#t~mem21#1, strtol_#t~mem23#1, strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset, strtol_#t~ret25#1, strtol_#t~mem26#1.base, strtol_#t~mem26#1.offset, strtol_#t~short27#1, strtol_#t~ite28#1, strtol_~nptr#1.base, strtol_~nptr#1.offset, strtol_~endptr#1.base, strtol_~endptr#1.offset, strtol_~base#1, strtol_~neg~1#1, strtol_~v~1#1, strtol_~orig~1#1.base, strtol_~orig~1#1.offset;strtol_~nptr#1.base, strtol_~nptr#1.offset := strtol_#in~nptr#1.base, strtol_#in~nptr#1.offset;strtol_~endptr#1.base, strtol_~endptr#1.offset := strtol_#in~endptr#1.base, strtol_#in~endptr#1.offset;strtol_~base#1 := strtol_#in~base#1;strtol_~neg~1#1 := 0;havoc strtol_~v~1#1;strtol_~orig~1#1.base, strtol_~orig~1#1.offset := strtol_~nptr#1.base, strtol_~nptr#1.offset; 1443#L555-3 call strtol_#t~mem21#1 := read~int(strtol_~nptr#1.base, strtol_~nptr#1.offset, 1); 1436#L555-1 assume !(32 == strtol_#t~mem21#1);havoc strtol_#t~mem21#1; 1446#L555-4 call strtol_#t~mem23#1 := read~int(strtol_~nptr#1.base, strtol_~nptr#1.offset, 1); 1447#L556 assume 45 == strtol_#t~mem23#1;havoc strtol_#t~mem23#1;strtol_~neg~1#1 := -1;strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset := strtol_~nptr#1.base, 1 + strtol_~nptr#1.offset;strtol_~nptr#1.base, strtol_~nptr#1.offset := strtol_~nptr#1.base, 1 + strtol_~nptr#1.offset;havoc strtol_#t~pre24#1.base, strtol_#t~pre24#1.offset; 1456#L556-2 assume { :begin_inline_strtoul } true;strtoul_#in~ptr#1.base, strtoul_#in~ptr#1.offset, strtoul_#in~endptr#1.base, strtoul_#in~endptr#1.offset, strtoul_#in~base#1 := strtol_~nptr#1.base, strtol_~nptr#1.offset, strtol_~endptr#1.base, strtol_~endptr#1.offset, strtol_~base#1;havoc strtoul_#res#1;havoc strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset, strtoul_#t~mem2#1, strtoul_#t~mem4#1, strtoul_#t~post5#1.base, strtoul_#t~post5#1.offset, strtoul_#t~mem6#1, strtoul_#t~pre7#1.base, strtoul_#t~pre7#1.offset, strtoul_#t~mem8#1, strtoul_#t~short9#1, strtoul_~b~0#1, strtoul_#t~mem10#1, strtoul_#t~mem11#1, strtoul_#t~mem12#1, strtoul_#t~short13#1, strtoul_#t~mem14#1, strtoul_#t~ite17#1, strtoul_#t~ite16#1, strtoul_#t~ite15#1, strtoul_~x~0#1, strtoul_~w~0#1, strtoul_#t~pre18#1.base, strtoul_#t~pre18#1.offset, strtoul_~c~0#1, strtoul_#t~mem19#1, strtoul_#t~ite20#1, strtoul_~ptr#1.base, strtoul_~ptr#1.offset, strtoul_~endptr#1.base, strtoul_~endptr#1.offset, strtoul_~base#1, strtoul_~neg~0#1, strtoul_~v~0#1, strtoul_~orig~0#1.base, strtoul_~orig~0#1.offset, strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset;strtoul_~ptr#1.base, strtoul_~ptr#1.offset := strtoul_#in~ptr#1.base, strtoul_#in~ptr#1.offset;strtoul_~endptr#1.base, strtoul_~endptr#1.offset := strtoul_#in~endptr#1.base, strtoul_#in~endptr#1.offset;strtoul_~base#1 := strtoul_#in~base#1;strtoul_~neg~0#1 := 0;strtoul_~v~0#1 := 0;havoc strtoul_~orig~0#1.base, strtoul_~orig~0#1.offset;strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset := strtoul_~ptr#1.base, strtoul_~ptr#1.offset; 1455#L513-3 [2021-11-20 06:35:44,526 INFO L793 eck$LassoCheckResult]: Loop: 1455#L513-3 call strtoul_#t~mem2#1 := read~int(strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset, 1); 1454#L513-1 assume !!(32 == strtoul_#t~mem2#1);havoc strtoul_#t~mem2#1;strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset := strtoul_~nptr~0#1.base, 1 + strtoul_~nptr~0#1.offset;strtoul_~nptr~0#1.base, strtoul_~nptr~0#1.offset := strtoul_~nptr~0#1.base, 1 + strtoul_~nptr~0#1.offset;havoc strtoul_#t~pre3#1.base, strtoul_#t~pre3#1.offset; 1455#L513-3 [2021-11-20 06:35:44,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:44,527 INFO L85 PathProgramCache]: Analyzing trace with hash -906144140, now seen corresponding path program 2 times [2021-11-20 06:35:44,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:44,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915154716] [2021-11-20 06:35:44,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:44,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:44,564 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:44,579 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:44,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:44,580 INFO L85 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 5 times [2021-11-20 06:35:44,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:44,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178060293] [2021-11-20 06:35:44,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:44,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:44,583 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:44,586 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:44,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:44,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1073844057, now seen corresponding path program 2 times [2021-11-20 06:35:44,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:35:44,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680670322] [2021-11-20 06:35:44,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:35:44,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:35:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:44,601 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:35:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:35:44,619 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:35:47,105 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:35:47,105 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:35:47,105 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:35:47,105 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:35:47,105 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:35:47,105 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:47,105 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:35:47,105 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:35:47,105 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtol.i_Iteration8_Lasso [2021-11-20 06:35:47,105 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:35:47,106 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:35:47,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:47,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:35:48,163 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:35:48,163 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:35:48,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,178 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,180 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 [2021-11-20 06:35:48,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:35:48,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:48,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,214 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:35:48,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:48,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,265 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:35:48,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:48,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,317 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:35:48,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:48,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,352 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:35:48,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:48,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,387 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:35:48,389 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 [2021-11-20 06:35:48,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:48,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,416 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:35:48,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-20 06:35:48,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,451 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:35:48,452 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 [2021-11-20 06:35:48,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-20 06:35:48,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,480 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:35:48,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:48,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:48,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:48,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,537 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:35:48,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:48,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,566 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:35:48,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-20 06:35:48,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,603 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:35:48,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-20 06:35:48,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,632 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:35:48,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-20 06:35:48,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,679 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:35:48,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-20 06:35:48,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,708 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:35:48,709 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 [2021-11-20 06:35:48,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:48,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:48,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-20 06:35:48,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,743 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:35:48,745 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 [2021-11-20 06:35:48,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:48,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,772 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:35:48,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-20 06:35:48,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,812 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:35:48,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:48,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,842 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:35:48,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:48,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,873 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:35:48,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-20 06:35:48,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,937 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:35:48,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:48,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:48,969 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:48,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:35:48,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:48,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:48,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:48,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:48,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:48,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:48,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:48,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:48,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:48,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-20 06:35:48,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:48,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,006 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:35:49,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:49,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:49,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,042 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:35:49,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,071 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:35:49,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-20 06:35:49,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,100 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:35:49,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,130 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 06:35:49,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,159 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 06:35:49,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,194 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 06:35:49,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,224 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 06:35:49,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-20 06:35:49,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,253 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 06:35:49,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,326 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 06:35:49,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-20 06:35:49,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,356 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 06:35:49,357 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 [2021-11-20 06:35:49,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,385 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 06:35:49,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,427 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 06:35:49,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:49,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:49,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,461 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 06:35:49,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,494 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 06:35:49,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-20 06:35:49,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,522 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 06:35:49,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-20 06:35:49,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,550 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 06:35:49,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:49,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:49,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,582 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 06:35:49,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-20 06:35:49,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,633 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 06:35:49,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-20 06:35:49,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,662 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 06:35:49,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:49,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:49,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,694 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 06:35:49,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-20 06:35:49,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,722 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 06:35:49,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-20 06:35:49,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,751 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 06:35:49,752 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 [2021-11-20 06:35:49,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,780 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 06:35:49,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,810 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 06:35:49,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:49,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:49,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:49,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-11-20 06:35:49,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,839 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 06:35:49,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:49,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:49,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,926 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:49,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:49,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 06:35:49,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:49,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:49,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:49,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:49,986 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:49,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:49,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:49,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:49,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:49,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:49,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:49,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:50,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 06:35:50,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:50,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:50,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:50,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:50,050 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:50,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:50,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:50,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:50,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:50,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:50,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:50,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:50,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 06:35:50,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:50,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:50,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:50,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:50,107 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:50,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:50,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:50,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:50,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:50,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:50,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:50,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:50,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:50,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 06:35:50,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:50,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:50,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:50,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:50,161 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:50,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:50,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:50,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:50,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:50,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:50,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:50,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:50,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 06:35:50,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:50,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:50,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:50,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:50,226 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:50,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:50,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:50,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:35:50,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:50,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:50,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:50,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:35:50,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:35:50,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 06:35:50,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:50,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:50,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:50,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:50,269 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:50,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 06:35:50,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:50,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:50,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:50,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:50,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:50,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:50,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:50,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:50,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-20 06:35:50,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:50,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:50,345 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:50,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 06:35:50,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:50,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:50,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:50,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:50,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:50,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:50,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:50,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:35:50,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:50,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:50,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:50,381 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:50,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 06:35:50,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:35:50,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:35:50,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:35:50,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:35:50,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:35:50,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:35:50,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:35:50,410 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:35:50,444 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-11-20 06:35:50,444 INFO L444 ModelExtractionUtils]: 11 out of 43 variables were initially zero. Simplification set additionally 29 variables to zero. [2021-11-20 06:35:50,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:35:50,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:35:50,445 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:35:50,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 06:35:50,446 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:35:50,454 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:35:50,454 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:35:50,454 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~in~0#1.base)_3, ULTIMATE.start_strtoul_~nptr~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~in~0#1.base)_3 - 1*ULTIMATE.start_strtoul_~nptr~0#1.offset Supporting invariants [] [2021-11-20 06:35:50,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:50,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-20 06:35:50,538 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-11-20 06:35:50,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:35:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:50,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 06:35:50,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:35:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:35:50,654 WARN L261 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:35:50,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:35:50,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:35:50,678 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 [2021-11-20 06:35:50,678 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 74 transitions. cyclomatic complexity: 25 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-11-20 06:35:50,756 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 74 transitions. cyclomatic complexity: 25. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 92 states and 131 transitions. Complement of second has 7 states. [2021-11-20 06:35:50,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:35:50,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-11-20 06:35:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60 transitions. [2021-11-20 06:35:50,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 14 letters. Loop has 2 letters. [2021-11-20 06:35:50,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:35:50,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 16 letters. Loop has 2 letters. [2021-11-20 06:35:50,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:35:50,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 14 letters. Loop has 4 letters. [2021-11-20 06:35:50,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:35:50,759 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 131 transitions. [2021-11-20 06:35:50,759 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:35:50,759 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 0 states and 0 transitions. [2021-11-20 06:35:50,759 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:35:50,759 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:35:50,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:35:50,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:35:50,760 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:35:50,760 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:35:50,760 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:35:50,760 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-20 06:35:50,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:35:50,760 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:35:50,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:35:50,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:35:50 BoogieIcfgContainer [2021-11-20 06:35:50,766 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:35:50,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:35:50,766 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:35:50,766 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:35:50,767 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:35:35" (3/4) ... [2021-11-20 06:35:50,770 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:35:50,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:35:50,770 INFO L158 Benchmark]: Toolchain (without parser) took 16323.82ms. Allocated memory was 123.7MB in the beginning and 197.1MB in the end (delta: 73.4MB). Free memory was 89.6MB in the beginning and 141.3MB in the end (delta: -51.6MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2021-11-20 06:35:50,771 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory was 37.6MB in the beginning and 37.5MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:35:50,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.73ms. Allocated memory is still 123.7MB. Free memory was 89.4MB in the beginning and 90.9MB in the end (delta: -1.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:35:50,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.47ms. Allocated memory is still 123.7MB. Free memory was 90.9MB in the beginning and 88.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:35:50,772 INFO L158 Benchmark]: Boogie Preprocessor took 35.80ms. Allocated memory is still 123.7MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:35:50,772 INFO L158 Benchmark]: RCFGBuilder took 619.46ms. Allocated memory is still 123.7MB. Free memory was 86.3MB in the beginning and 70.0MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 06:35:50,772 INFO L158 Benchmark]: BuchiAutomizer took 15114.89ms. Allocated memory was 123.7MB in the beginning and 197.1MB in the end (delta: 73.4MB). Free memory was 70.0MB in the beginning and 141.3MB in the end (delta: -71.3MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2021-11-20 06:35:50,773 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 197.1MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:35:50,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory was 37.6MB in the beginning and 37.5MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.73ms. Allocated memory is still 123.7MB. Free memory was 89.4MB in the beginning and 90.9MB in the end (delta: -1.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.47ms. Allocated memory is still 123.7MB. Free memory was 90.9MB in the beginning and 88.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.80ms. Allocated memory is still 123.7MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 619.46ms. Allocated memory is still 123.7MB. Free memory was 86.3MB in the beginning and 70.0MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 15114.89ms. Allocated memory was 123.7MB in the beginning and 197.1MB in the end (delta: 73.4MB). Free memory was 70.0MB in the beginning and 141.3MB in the end (delta: -71.3MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 197.1MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (5 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[in] + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * nptr and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[in] + -1 * nptr and consists of 5 locations. 5 modules have a trivial ranking function, the largest among these consists of 26 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.0s and 9 iterations. TraceHistogramMax:2. Analysis of lassos took 13.1s. Construction of modules took 0.5s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 212 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 53 states and ocurred in iteration 7. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 693 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 693 mSDsluCounter, 2028 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 117 IncrementalHoareTripleChecker+Unchecked, 1644 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 675 IncrementalHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 384 mSDtfsCounter, 675 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital223 mio100 ax100 hnf99 lsp93 ukn63 mio100 lsp47 div100 bol100 ite100 ukn100 eq178 hnf89 smp98 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 06:35:50,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:35:51,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-11-20 06:35:51,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26bb326a-1e22-4b74-a582-46e31ec68210/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE