./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtok_r.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtok_r.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 768358a1bcdb56fc885a8df113baa43d689898e0e32c0ab06e790a868148d36d 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:58:40,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:58:40,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:58:41,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:58:41,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:58:41,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:58:41,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:58:41,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:58:41,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:58:41,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:58:41,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:58:41,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:58:41,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:58:41,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:58:41,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:58:41,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:58:41,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:58:41,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:58:41,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:58:41,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:58:41,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:58:41,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:58:41,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:58:41,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:58:41,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:58:41,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:58:41,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:58:41,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:58:41,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:58:41,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:58:41,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:58:41,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:58:41,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:58:41,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:58:41,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:58:41,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:58:41,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:58:41,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:58:41,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:58:41,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:58:41,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:58:41,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 22:58:41,153 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:58:41,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:58:41,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:58:41,154 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:58:41,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:58:41,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:58:41,156 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:58:41,157 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:58:41,157 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:58:41,157 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:58:41,158 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:58:41,159 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:58:41,159 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:58:41,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:58:41,159 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:58:41,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:58:41,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:58:41,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:58:41,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:58:41,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:58:41,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:58:41,161 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:58:41,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:58:41,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:58:41,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:58:41,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:58:41,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:58:41,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:58:41,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:58:41,167 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:58:41,167 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_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 768358a1bcdb56fc885a8df113baa43d689898e0e32c0ab06e790a868148d36d [2021-10-28 22:58:41,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:58:41,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:58:41,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:58:41,538 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:58:41,538 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:58:41,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-dietlibc/strtok_r.i [2021-10-28 22:58:41,628 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/data/df3fd6c7a/deb72cf9d69340bdb142774442a0c64b/FLAG1c8ede789 [2021-10-28 22:58:42,232 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:58:42,232 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/sv-benchmarks/c/termination-dietlibc/strtok_r.i [2021-10-28 22:58:42,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/data/df3fd6c7a/deb72cf9d69340bdb142774442a0c64b/FLAG1c8ede789 [2021-10-28 22:58:42,494 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/data/df3fd6c7a/deb72cf9d69340bdb142774442a0c64b [2021-10-28 22:58:42,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:58:42,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:58:42,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:58:42,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:58:42,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:58:42,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:58:42" (1/1) ... [2021-10-28 22:58:42,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b56a48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:42, skipping insertion in model container [2021-10-28 22:58:42,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:58:42" (1/1) ... [2021-10-28 22:58:42,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:58:42,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:58:42,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:58:42,989 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:58:43,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:58:43,100 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:58:43,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:43 WrapperNode [2021-10-28 22:58:43,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:58:43,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:58:43,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:58:43,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:58:43,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:43" (1/1) ... [2021-10-28 22:58:43,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:43" (1/1) ... [2021-10-28 22:58:43,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:58:43,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:58:43,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:58:43,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:58:43,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:43" (1/1) ... [2021-10-28 22:58:43,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:43" (1/1) ... [2021-10-28 22:58:43,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:43" (1/1) ... [2021-10-28 22:58:43,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:43" (1/1) ... [2021-10-28 22:58:43,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:43" (1/1) ... [2021-10-28 22:58:43,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:43" (1/1) ... [2021-10-28 22:58:43,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:43" (1/1) ... [2021-10-28 22:58:43,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:58:43,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:58:43,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:58:43,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:58:43,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:43" (1/1) ... [2021-10-28 22:58:43,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:43,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:43,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:43,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:58:43,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 22:58:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 22:58:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:58:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 22:58:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 22:58:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:58:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 22:58:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:58:43,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:58:43,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:58:43,887 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-28 22:58:43,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:58:43 BoogieIcfgContainer [2021-10-28 22:58:43,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:58:43,890 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:58:43,891 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:58:43,900 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:58:43,901 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:58:43,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:58:42" (1/3) ... [2021-10-28 22:58:43,903 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54d4fee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:58:43, skipping insertion in model container [2021-10-28 22:58:43,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:58:43,903 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:43" (2/3) ... [2021-10-28 22:58:43,904 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54d4fee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:58:43, skipping insertion in model container [2021-10-28 22:58:43,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:58:43,904 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:58:43" (3/3) ... [2021-10-28 22:58:43,905 INFO L389 chiAutomizerObserver]: Analyzing ICFG strtok_r.i [2021-10-28 22:58:43,967 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:58:43,967 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:58:43,967 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:58:43,968 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:58:43,968 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:58:43,968 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:58:43,968 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:58:43,968 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:58:44,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:44,026 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-28 22:58:44,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:58:44,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:58:44,034 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:58:44,034 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:58:44,034 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 22:58:44,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:44,038 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-28 22:58:44,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:58:44,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:58:44,039 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:58:44,039 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:58:44,046 INFO L791 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 8#L544true assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 30#L548true assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 26#L532true assume strtok_r_~s.base == 0 && strtok_r_~s.offset == 0;call strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset := read~$Pointer$(strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, 8);strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset; 23#L532-2true strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 10#L510-4true [2021-10-28 22:58:44,047 INFO L793 eck$LassoCheckResult]: Loop: 10#L510-4true call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 31#L510-1true assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7#L511-6true assume !true; 27#L511-7true call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 17#L512true assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 16#L510-3true strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 10#L510-4true [2021-10-28 22:58:44,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:44,053 INFO L85 PathProgramCache]: Analyzing trace with hash 889571276, now seen corresponding path program 1 times [2021-10-28 22:58:44,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:44,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936574907] [2021-10-28 22:58:44,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:44,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:44,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:44,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:44,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936574907] [2021-10-28 22:58:44,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936574907] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:44,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:44,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:58:44,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042576467] [2021-10-28 22:58:44,288 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:58:44,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:44,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1573281738, now seen corresponding path program 1 times [2021-10-28 22:58:44,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:44,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175609665] [2021-10-28 22:58:44,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:44,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:44,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:44,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175609665] [2021-10-28 22:58:44,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175609665] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:44,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:44,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:58:44,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059190757] [2021-10-28 22:58:44,309 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 22:58:44,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:44,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:58:44,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:58:44,328 INFO L87 Difference]: Start difference. First operand has 34 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:44,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:58:44,337 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2021-10-28 22:58:44,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:58:44,339 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 45 transitions. [2021-10-28 22:58:44,341 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-28 22:58:44,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 26 states and 32 transitions. [2021-10-28 22:58:44,347 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-10-28 22:58:44,347 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-10-28 22:58:44,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2021-10-28 22:58:44,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:44,349 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-10-28 22:58:44,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2021-10-28 22:58:44,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-28 22:58:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2021-10-28 22:58:44,379 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-10-28 22:58:44,379 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-10-28 22:58:44,380 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 22:58:44,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 32 transitions. [2021-10-28 22:58:44,381 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-28 22:58:44,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:58:44,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:58:44,382 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:58:44,382 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:58:44,382 INFO L791 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 86#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 84#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 85#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 101#L532 assume strtok_r_~s.base == 0 && strtok_r_~s.offset == 0;call strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset := read~$Pointer$(strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, 8);strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset; 100#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 87#L510-4 [2021-10-28 22:58:44,383 INFO L793 eck$LassoCheckResult]: Loop: 87#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 88#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 82#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 83#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 103#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 102#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 94#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 93#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 87#L510-4 [2021-10-28 22:58:44,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:44,383 INFO L85 PathProgramCache]: Analyzing trace with hash 889571276, now seen corresponding path program 2 times [2021-10-28 22:58:44,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:44,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617326544] [2021-10-28 22:58:44,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:44,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:44,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:44,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:44,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617326544] [2021-10-28 22:58:44,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617326544] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:44,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:44,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:58:44,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111343515] [2021-10-28 22:58:44,448 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:58:44,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:44,448 INFO L85 PathProgramCache]: Analyzing trace with hash -347496813, now seen corresponding path program 1 times [2021-10-28 22:58:44,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:44,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452858511] [2021-10-28 22:58:44,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:44,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:44,462 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:58:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:44,515 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:58:44,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:44,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:58:44,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:58:44,915 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:44,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:58:44,958 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2021-10-28 22:58:44,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:58:44,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2021-10-28 22:58:44,963 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-28 22:58:44,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 31 transitions. [2021-10-28 22:58:44,966 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-10-28 22:58:44,967 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-10-28 22:58:44,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 31 transitions. [2021-10-28 22:58:44,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:58:44,969 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-10-28 22:58:44,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 31 transitions. [2021-10-28 22:58:44,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-28 22:58:44,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:44,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-10-28 22:58:44,978 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-10-28 22:58:44,978 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-10-28 22:58:44,978 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 22:58:44,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 31 transitions. [2021-10-28 22:58:44,981 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-28 22:58:44,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:58:44,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:58:44,983 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:58:44,983 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:58:44,983 INFO L791 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 147#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 145#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 146#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 162#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 161#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 148#L510-4 [2021-10-28 22:58:44,983 INFO L793 eck$LassoCheckResult]: Loop: 148#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 149#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 143#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 144#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 164#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 163#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 155#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 154#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 148#L510-4 [2021-10-28 22:58:44,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:44,986 INFO L85 PathProgramCache]: Analyzing trace with hash 889571338, now seen corresponding path program 1 times [2021-10-28 22:58:44,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:44,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274556460] [2021-10-28 22:58:44,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:44,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:45,036 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:58:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:45,069 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:58:45,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:45,070 INFO L85 PathProgramCache]: Analyzing trace with hash -347496813, now seen corresponding path program 2 times [2021-10-28 22:58:45,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:45,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137920050] [2021-10-28 22:58:45,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:45,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:45,097 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:58:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:45,113 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:58:45,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:45,114 INFO L85 PathProgramCache]: Analyzing trace with hash -126923364, now seen corresponding path program 1 times [2021-10-28 22:58:45,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:45,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880044131] [2021-10-28 22:58:45,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:45,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:45,184 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:58:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:45,220 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:58:47,017 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:58:47,018 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:58:47,018 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:58:47,018 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:58:47,018 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:58:47,018 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:47,018 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:58:47,019 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:58:47,019 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration3_Lasso [2021-10-28 22:58:47,019 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:58:47,019 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:58:47,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:47,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:48,210 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:58:48,215 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:58:48,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:48,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:48,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:48,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 22:58:48,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:48,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:48,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:48,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:48,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:48,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:48,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:48,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:48,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:48,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 22:58:48,261 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:48,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:48,263 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:48,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:48,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 22:58:48,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:48,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:48,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:48,273 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 22:58:48,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:48,275 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 22:58:48,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:48,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:48,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:48,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:48,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:48,345 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:48,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 22:58:48,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:48,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:48,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:48,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:48,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:48,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:48,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:48,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:48,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:48,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:48,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:48,414 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:48,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 22:58:48,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:48,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:48,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:48,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:48,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:48,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:48,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:48,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:48,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:48,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:48,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:48,514 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:48,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:48,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:48,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:48,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:48,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:48,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:48,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:48,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 22:58:48,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:48,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:48,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:48,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:48,576 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:48,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 22:58:48,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:48,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:48,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:48,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:48,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:48,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:48,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:48,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:48,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-28 22:58:48,624 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:48,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:48,626 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:48,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:48,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 22:58:48,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:48,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:48,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:48,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:48,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:48,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:48,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:48,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:48,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:48,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:48,726 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:48,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:48,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:48,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:48,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:48,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:48,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:48,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:48,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 22:58:48,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:48,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:48,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:48,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:48,814 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:48,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 22:58:48,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:48,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:48,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:48,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:48,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:48,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:48,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:48,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:48,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:48,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:48,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:48,865 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:48,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 22:58:48,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:48,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:48,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:48,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:48,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:48,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:48,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:48,913 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:58:48,961 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-28 22:58:48,961 INFO L444 ModelExtractionUtils]: 11 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-28 22:58:48,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:48,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:48,974 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:49,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 22:58:49,010 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:58:49,041 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:58:49,041 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:58:49,042 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc25.base)_1, ULTIMATE.start_strspn_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc25.base)_1 - 1*ULTIMATE.start_strspn_~s.offset Supporting invariants [] [2021-10-28 22:58:49,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:49,161 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2021-10-28 22:58:49,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:49,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 22:58:49,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:58:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:49,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 22:58:49,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:58:49,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:49,571 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 22:58:49,571 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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) [2021-10-28 22:58:49,707 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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 46 states and 57 transitions. Complement of second has 6 states. [2021-10-28 22:58:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:58:49,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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) [2021-10-28 22:58:49,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2021-10-28 22:58:49,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 8 letters. [2021-10-28 22:58:49,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:58:49,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 14 letters. Loop has 8 letters. [2021-10-28 22:58:49,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:58:49,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 16 letters. [2021-10-28 22:58:49,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:58:49,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 57 transitions. [2021-10-28 22:58:49,726 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-28 22:58:49,728 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 34 states and 42 transitions. [2021-10-28 22:58:49,729 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-28 22:58:49,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-10-28 22:58:49,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2021-10-28 22:58:49,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:58:49,731 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-10-28 22:58:49,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2021-10-28 22:58:49,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-10-28 22:58:49,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2021-10-28 22:58:49,740 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-10-28 22:58:49,740 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-10-28 22:58:49,740 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 22:58:49,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2021-10-28 22:58:49,743 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-28 22:58:49,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:58:49,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:58:49,745 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:58:49,745 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:58:49,746 INFO L791 eck$LassoCheckResult]: Stem: 360#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 343#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 341#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 342#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 362#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 361#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 344#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 346#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 337#L511-6 [2021-10-28 22:58:49,746 INFO L793 eck$LassoCheckResult]: Loop: 337#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 338#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 365#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 356#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 337#L511-6 [2021-10-28 22:58:49,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:49,747 INFO L85 PathProgramCache]: Analyzing trace with hash 179564655, now seen corresponding path program 1 times [2021-10-28 22:58:49,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:49,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211799854] [2021-10-28 22:58:49,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:49,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:49,794 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:58:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:49,829 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:58:49,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:49,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 1 times [2021-10-28 22:58:49,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:49,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876039098] [2021-10-28 22:58:49,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:49,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:49,883 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:58:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:49,891 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:58:49,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:49,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1251527276, now seen corresponding path program 1 times [2021-10-28 22:58:49,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:49,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408634668] [2021-10-28 22:58:49,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:49,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:49,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:49,961 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:58:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:50,006 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:58:51,690 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:58:51,690 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:58:51,690 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:58:51,691 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:58:51,691 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:58:51,691 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:51,691 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:58:51,691 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:58:51,691 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration4_Lasso [2021-10-28 22:58:51,691 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:58:51,691 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:58:51,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:51,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:52,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:52,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:52,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:52,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:52,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:52,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:52,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:52,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:52,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:52,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:52,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:53,020 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:58:53,025 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:58:53,026 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,030 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 22:58:53,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:53,106 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,109 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 22:58:53,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:53,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,147 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 22:58:53,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-28 22:58:53,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,183 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 22:58:53,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:53,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:53,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:53,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,259 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 22:58:53,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-10-28 22:58:53,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,307 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 22:58:53,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:53,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,339 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 22:58:53,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:53,375 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,376 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 22:58:53,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-10-28 22:58:53,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,431 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 22:58:53,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:53,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,481 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 22:58:53,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:53,511 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,512 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 22:58:53,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:53,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:53,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:53,587 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,588 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:53,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:53,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 22:58:53,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-28 22:58:53,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,627 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 22:58:53,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-28 22:58:53,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,660 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 22:58:53,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-28 22:58:53,692 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,693 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 22:58:53,695 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 [2021-10-28 22:58:53,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 22:58:53,724 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,725 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 22:58:53,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-28 22:58:53,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,758 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 22:58:53,760 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 [2021-10-28 22:58:53,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-28 22:58:53,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,791 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 22:58:53,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:53,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,838 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 22:58:53,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-28 22:58:53,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,868 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 22:58:53,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:53,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:53,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:53,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,914 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 22:58:53,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:53,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:53,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:53,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:53,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,945 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 22:58:53,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:53,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:53,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:53,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:53,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:53,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:53,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:53,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:53,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:53,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:53,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:53,998 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:53,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 22:58:53,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:54,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:54,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:54,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:54,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:54,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:54,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:54,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:54,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:54,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:54,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:54,083 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:54,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:54,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:54,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:54,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:54,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:54,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:54,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:54,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 22:58:54,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:54,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:54,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:54,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:54,135 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:54,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:54,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 22:58:54,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:54,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:54,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:54,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:54,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:54,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:54,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:54,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-28 22:58:54,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:54,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:54,202 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:54,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:54,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 22:58:54,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:54,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:54,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:54,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:54,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:54,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:54,261 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:58:54,296 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-28 22:58:54,296 INFO L444 ModelExtractionUtils]: 34 out of 49 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 22:58:54,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:54,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:54,297 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:54,299 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:58:54,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 22:58:54,331 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:58:54,331 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:58:54,331 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_2, ULTIMATE.start_strspn_~a~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_2 - 1*ULTIMATE.start_strspn_~a~0.offset Supporting invariants [] [2021-10-28 22:58:54,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:54,447 INFO L297 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2021-10-28 22:58:54,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:54,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 22:58:54,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:58:54,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:54,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 22:58:54,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:58:54,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:54,648 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 22:58:54,649 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2021-10-28 22:58:54,758 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 11. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) Result 100 states and 123 transitions. Complement of second has 7 states. [2021-10-28 22:58:54,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:58:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2021-10-28 22:58:54,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2021-10-28 22:58:54,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-28 22:58:54,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:58:54,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 12 letters. Loop has 4 letters. [2021-10-28 22:58:54,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:58:54,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 8 letters. Loop has 8 letters. [2021-10-28 22:58:54,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:58:54,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 123 transitions. [2021-10-28 22:58:54,767 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 28 [2021-10-28 22:58:54,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 79 states and 99 transitions. [2021-10-28 22:58:54,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2021-10-28 22:58:54,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-10-28 22:58:54,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 99 transitions. [2021-10-28 22:58:54,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:58:54,773 INFO L681 BuchiCegarLoop]: Abstraction has 79 states and 99 transitions. [2021-10-28 22:58:54,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 99 transitions. [2021-10-28 22:58:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 49. [2021-10-28 22:58:54,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 48 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2021-10-28 22:58:54,784 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 65 transitions. [2021-10-28 22:58:54,784 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 65 transitions. [2021-10-28 22:58:54,784 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 22:58:54,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 65 transitions. [2021-10-28 22:58:54,785 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-28 22:58:54,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:58:54,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:58:54,786 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:58:54,787 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:58:54,788 INFO L791 eck$LassoCheckResult]: Stem: 647#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 627#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 625#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 626#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 649#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 648#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 628#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 630#L510-1 assume !(0 != strspn_#t~mem10);havoc strspn_#t~mem10; 640#L510-5 strspn_#res := strspn_~l~0; 645#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 646#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 618#L523-4 [2021-10-28 22:58:54,789 INFO L793 eck$LassoCheckResult]: Loop: 618#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 619#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 637#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 634#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 635#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 636#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 618#L523-4 [2021-10-28 22:58:54,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:54,789 INFO L85 PathProgramCache]: Analyzing trace with hash -2118613646, now seen corresponding path program 1 times [2021-10-28 22:58:54,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:54,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094295851] [2021-10-28 22:58:54,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:54,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:54,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:54,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:54,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094295851] [2021-10-28 22:58:54,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094295851] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:54,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:54,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 22:58:54,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387428523] [2021-10-28 22:58:54,976 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:58:54,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:54,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1361307093, now seen corresponding path program 1 times [2021-10-28 22:58:54,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:54,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872590021] [2021-10-28 22:58:54,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:54,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:54,985 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:58:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:54,995 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:58:55,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:55,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 22:58:55,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:58:55,084 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. cyclomatic complexity: 21 Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:55,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:58:55,257 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2021-10-28 22:58:55,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:58:55,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 73 transitions. [2021-10-28 22:58:55,259 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-28 22:58:55,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 55 states and 70 transitions. [2021-10-28 22:58:55,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-10-28 22:58:55,261 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-10-28 22:58:55,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 70 transitions. [2021-10-28 22:58:55,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:58:55,261 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 70 transitions. [2021-10-28 22:58:55,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 70 transitions. [2021-10-28 22:58:55,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2021-10-28 22:58:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 48 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:55,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2021-10-28 22:58:55,266 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 64 transitions. [2021-10-28 22:58:55,266 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 64 transitions. [2021-10-28 22:58:55,266 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 22:58:55,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 64 transitions. [2021-10-28 22:58:55,267 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-28 22:58:55,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:58:55,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:58:55,268 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:58:55,268 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:58:55,268 INFO L791 eck$LassoCheckResult]: Stem: 779#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 758#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 756#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 757#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 781#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 780#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 759#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 760#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 776#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 795#L511-1 assume !strspn_#t~short7; 785#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 783#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 772#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 769#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 762#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 764#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 774#L511-6 [2021-10-28 22:58:55,268 INFO L793 eck$LassoCheckResult]: Loop: 774#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 786#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 787#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 773#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 774#L511-6 [2021-10-28 22:58:55,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:55,269 INFO L85 PathProgramCache]: Analyzing trace with hash 60739587, now seen corresponding path program 1 times [2021-10-28 22:58:55,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:55,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144125282] [2021-10-28 22:58:55,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:55,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:55,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:55,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:55,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144125282] [2021-10-28 22:58:55,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144125282] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:55,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:55,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:58:55,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21278666] [2021-10-28 22:58:55,310 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:58:55,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:55,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 2 times [2021-10-28 22:58:55,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:55,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371324468] [2021-10-28 22:58:55,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:55,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:55,316 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:58:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:55,320 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:58:55,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:55,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:58:55,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:58:55,429 INFO L87 Difference]: Start difference. First operand 49 states and 64 transitions. cyclomatic complexity: 20 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:55,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:58:55,471 INFO L93 Difference]: Finished difference Result 74 states and 91 transitions. [2021-10-28 22:58:55,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:58:55,472 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 91 transitions. [2021-10-28 22:58:55,473 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-28 22:58:55,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 71 states and 87 transitions. [2021-10-28 22:58:55,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-10-28 22:58:55,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-10-28 22:58:55,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 87 transitions. [2021-10-28 22:58:55,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:58:55,475 INFO L681 BuchiCegarLoop]: Abstraction has 71 states and 87 transitions. [2021-10-28 22:58:55,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 87 transitions. [2021-10-28 22:58:55,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 50. [2021-10-28 22:58:55,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.28) internal successors, (64), 49 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:58:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2021-10-28 22:58:55,479 INFO L704 BuchiCegarLoop]: Abstraction has 50 states and 64 transitions. [2021-10-28 22:58:55,479 INFO L587 BuchiCegarLoop]: Abstraction has 50 states and 64 transitions. [2021-10-28 22:58:55,479 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 22:58:55,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 64 transitions. [2021-10-28 22:58:55,480 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-28 22:58:55,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:58:55,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:58:55,481 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:58:55,481 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:58:55,481 INFO L791 eck$LassoCheckResult]: Stem: 910#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 890#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 888#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 889#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 912#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 911#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 891#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 892#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 907#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 928#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 920#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 914#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 904#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 901#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 894#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 896#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 884#L511-6 [2021-10-28 22:58:55,481 INFO L793 eck$LassoCheckResult]: Loop: 884#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 885#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 918#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 905#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 884#L511-6 [2021-10-28 22:58:55,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:55,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1714267775, now seen corresponding path program 2 times [2021-10-28 22:58:55,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:55,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364495889] [2021-10-28 22:58:55,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:55,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:55,495 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:58:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:55,512 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:58:55,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:55,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 3 times [2021-10-28 22:58:55,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:55,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892934270] [2021-10-28 22:58:55,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:55,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:55,518 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:58:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:55,522 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:58:55,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:55,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1311163814, now seen corresponding path program 1 times [2021-10-28 22:58:55,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:55,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663499283] [2021-10-28 22:58:55,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:55,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:55,537 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:58:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:58:55,555 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:58:57,405 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:58:57,405 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:58:57,405 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:58:57,406 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:58:57,406 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:58:57,406 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:57,406 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:58:57,406 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:58:57,406 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration7_Lasso [2021-10-28 22:58:57,406 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:58:57,406 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:58:57,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:57,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:57,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:57,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:57,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:57,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:58:58,757 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:58:58,758 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:58:58,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:58,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:58,762 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:58,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 22:58:58,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:58,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:58,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:58,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:58,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:58,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:58,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:58,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:58,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:58,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 22:58:58,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:58,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:58,795 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:58,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 22:58:58,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:58,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:58,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:58,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:58,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:58,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:58,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:58,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:58,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:58,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:58,865 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:58,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:58,866 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:58,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 22:58:58,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:58,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:58,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:58,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:58,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:58,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:58,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:58,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:58,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:58,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-28 22:58:58,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:58,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:58,897 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:58,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 22:58:58,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:58,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:58,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:58,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:58,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:58,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:58,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:58,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:58,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:58,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-28 22:58:58,936 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:58,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:58,937 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:58,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 22:58:58,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:58,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:58,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:58,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:58,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:58,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:58,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:58,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:58,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:59,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:59,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:59,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:59,009 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:59,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 22:58:59,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:59,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:59,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:59,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:59,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:59,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:59,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:59,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:59,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:59,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:59,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:59,094 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:59,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:59,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:59,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:59,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:59,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:59,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:59,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:59,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 22:58:59,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:59,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:59,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:59,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:59,159 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:59,162 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 [2021-10-28 22:58:59,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:59,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:59,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:59,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:59,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:59,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:59,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 22:58:59,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:59,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:59,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:59,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:59,217 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:59,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 22:58:59,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:59,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:59,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:59,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:59,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:59,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:59,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:59,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:59,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:59,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:59,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:59,273 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:59,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 22:58:59,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:59,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:59,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:59,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:59,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:59,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:59,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:59,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:59,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:59,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:59,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:59,307 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:59,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 22:58:59,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:59,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:59,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:59,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:59,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:59,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:59,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:59,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:59,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-28 22:58:59,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:59,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:59,344 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:59,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 22:58:59,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:59,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:59,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:59,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:59,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:59,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:59,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:59,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:59,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-28 22:58:59,375 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:59,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:59,376 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:59,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 22:58:59,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:59,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:59,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:59,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:59,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:59,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:59,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:59,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:59,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:59,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:59,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:59,410 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:59,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 22:58:59,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:59,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:59,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:58:59,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:59,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:59,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:59,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:58:59,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:58:59,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:59,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-28 22:58:59,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:59,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:59,441 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:59,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 22:58:59,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:59,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:59,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:59,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:59,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:59,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:59,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:59,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:58:59,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 22:58:59,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:59,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:59,475 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:59,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 22:58:59,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:58:59,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:58:59,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:58:59,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:58:59,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:58:59,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:58:59,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:58:59,526 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:58:59,585 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-10-28 22:58:59,585 INFO L444 ModelExtractionUtils]: 24 out of 49 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-10-28 22:58:59,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:58:59,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:59,590 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:59,594 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:58:59,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 22:58:59,615 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:58:59,615 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:58:59,615 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_3, ULTIMATE.start_strspn_~a~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_3 - 1*ULTIMATE.start_strspn_~a~0.offset Supporting invariants [] [2021-10-28 22:58:59,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-28 22:58:59,743 INFO L297 tatePredicateManager]: 29 out of 30 supporting invariants were superfluous and have been removed [2021-10-28 22:58:59,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:59,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 22:58:59,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:58:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:59,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 22:58:59,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:58:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:59,973 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 22:58:59,973 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:00,042 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 98 states and 123 transitions. Complement of second has 7 states. [2021-10-28 22:59:00,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:59:00,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:00,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-10-28 22:59:00,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 16 letters. Loop has 4 letters. [2021-10-28 22:59:00,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:00,044 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 22:59:00,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:00,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 22:59:00,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:00,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:00,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 22:59:00,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:00,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:59:00,296 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 22:59:00,297 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:00,375 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 98 states and 123 transitions. Complement of second has 7 states. [2021-10-28 22:59:00,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:59:00,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:00,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-10-28 22:59:00,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 16 letters. Loop has 4 letters. [2021-10-28 22:59:00,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:00,377 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 22:59:00,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:00,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 22:59:00,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:00,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 22:59:00,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:00,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:59:00,621 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 22:59:00,622 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:00,718 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 87 states and 114 transitions. Complement of second has 6 states. [2021-10-28 22:59:00,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:59:00,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:00,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2021-10-28 22:59:00,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 16 letters. Loop has 4 letters. [2021-10-28 22:59:00,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:00,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 20 letters. Loop has 4 letters. [2021-10-28 22:59:00,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:00,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 16 letters. Loop has 8 letters. [2021-10-28 22:59:00,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:00,724 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 114 transitions. [2021-10-28 22:59:00,726 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 22:59:00,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 55 states and 71 transitions. [2021-10-28 22:59:00,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-10-28 22:59:00,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-28 22:59:00,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 71 transitions. [2021-10-28 22:59:00,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:59:00,727 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 71 transitions. [2021-10-28 22:59:00,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 71 transitions. [2021-10-28 22:59:00,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 40. [2021-10-28 22:59:00,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.25) internal successors, (50), 39 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:00,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2021-10-28 22:59:00,740 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-28 22:59:00,741 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-28 22:59:00,741 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 22:59:00,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 50 transitions. [2021-10-28 22:59:00,741 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 22:59:00,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:59:00,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:59:00,745 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:00,746 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:59:00,746 INFO L791 eck$LassoCheckResult]: Stem: 1604#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1587#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 1585#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 1586#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 1606#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 1605#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 1588#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 1590#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 1579#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 1581#L511-1 assume !strspn_#t~short7; 1609#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 1607#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 1598#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 1599#L510-5 strspn_#res := strspn_~l~0; 1602#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 1603#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 1577#L523-4 [2021-10-28 22:59:00,746 INFO L793 eck$LassoCheckResult]: Loop: 1577#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 1578#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 1596#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1593#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 1594#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 1595#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 1577#L523-4 [2021-10-28 22:59:00,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:00,747 INFO L85 PathProgramCache]: Analyzing trace with hash 60685095, now seen corresponding path program 1 times [2021-10-28 22:59:00,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:00,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539301807] [2021-10-28 22:59:00,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:00,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:00,776 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:00,800 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:00,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:00,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1361307093, now seen corresponding path program 2 times [2021-10-28 22:59:00,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:00,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923346241] [2021-10-28 22:59:00,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:00,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:00,817 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:00,821 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:00,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:00,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1593745617, now seen corresponding path program 1 times [2021-10-28 22:59:00,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:00,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903888777] [2021-10-28 22:59:00,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:00,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:00,857 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:00,894 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:02,851 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:59:02,851 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:59:02,851 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:59:02,851 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:59:02,851 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:59:02,851 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:02,851 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:59:02,851 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:59:02,851 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration8_Lasso [2021-10-28 22:59:02,851 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:59:02,851 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:59:02,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:02,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:02,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:02,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:02,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:02,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:02,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:02,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:02,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:02,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:02,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:02,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:03,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:04,779 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:59:04,779 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:59:04,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:04,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:04,786 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:04,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 22:59:04,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:04,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:04,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:04,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:04,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:04,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:04,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:04,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:04,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:04,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-28 22:59:04,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:04,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:04,829 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:04,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 22:59:04,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:04,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:04,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:04,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:04,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:04,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:04,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:04,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:04,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:04,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 22:59:04,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:04,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:04,864 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:04,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 22:59:04,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:04,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:04,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:04,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:04,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:04,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:04,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:04,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:04,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:04,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-28 22:59:04,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:04,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:04,897 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:04,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 22:59:04,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:04,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:04,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:04,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:04,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:04,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:04,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:04,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:04,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:04,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-28 22:59:04,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:04,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:04,931 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:04,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 22:59:04,932 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 [2021-10-28 22:59:04,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:04,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:04,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:04,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:04,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:04,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:04,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:04,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:04,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-28 22:59:04,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:04,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:04,968 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:04,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 22:59:04,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:04,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:04,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:04,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:04,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:04,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:04,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:04,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:04,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:04,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-10-28 22:59:04,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:05,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:05,000 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:05,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 22:59:05,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:05,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:05,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:05,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:05,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:05,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:05,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:05,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:05,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:05,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:05,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:05,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:05,081 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:05,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 22:59:05,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:05,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:05,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:05,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:05,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:05,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:05,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:05,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:05,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-28 22:59:05,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:05,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:05,129 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:05,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 22:59:05,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:05,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:05,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:05,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:05,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:05,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:05,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:05,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:05,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:05,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-28 22:59:05,162 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:05,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:05,163 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:05,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 22:59:05,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:05,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:05,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:05,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:05,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:05,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:05,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:05,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:05,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:05,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-28 22:59:05,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:05,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:05,199 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:05,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 22:59:05,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:05,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:05,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:05,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:05,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:05,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:05,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:05,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:05,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:05,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-28 22:59:05,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:05,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:05,238 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:05,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 22:59:05,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:05,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:05,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:05,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:05,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:05,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:05,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:05,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:05,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:05,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-28 22:59:05,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:05,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:05,273 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:05,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 22:59:05,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:05,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:05,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:05,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:05,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:05,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:05,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:05,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:05,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-28 22:59:05,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:05,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:05,316 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:05,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 22:59:05,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:05,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:05,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:05,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:05,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:05,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:05,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:05,373 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:59:05,396 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 22:59:05,396 INFO L444 ModelExtractionUtils]: 69 out of 79 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-28 22:59:05,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:05,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:05,398 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:05,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 22:59:05,399 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:59:05,407 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:59:05,407 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:59:05,408 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strcspn_~s.base)_1, ULTIMATE.start_strcspn_~s.offset) = 1*v_rep(select #length ULTIMATE.start_strcspn_~s.base)_1 - 1*ULTIMATE.start_strcspn_~s.offset Supporting invariants [] [2021-10-28 22:59:05,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:05,545 INFO L297 tatePredicateManager]: 32 out of 32 supporting invariants were superfluous and have been removed [2021-10-28 22:59:05,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:05,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:05,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:59:05,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:05,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 22:59:05,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:05,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:59:05,731 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 22:59:05,732 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:05,747 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 60 transitions. Complement of second has 4 states. [2021-10-28 22:59:05,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:59:05,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:05,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2021-10-28 22:59:05,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 16 letters. Loop has 6 letters. [2021-10-28 22:59:05,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:05,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 22 letters. Loop has 6 letters. [2021-10-28 22:59:05,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:05,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 16 letters. Loop has 12 letters. [2021-10-28 22:59:05,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:05,750 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 60 transitions. [2021-10-28 22:59:05,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:59:05,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 46 states and 58 transitions. [2021-10-28 22:59:05,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-10-28 22:59:05,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-28 22:59:05,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 58 transitions. [2021-10-28 22:59:05,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:59:05,755 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-10-28 22:59:05,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 58 transitions. [2021-10-28 22:59:05,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-10-28 22:59:05,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 45 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) [2021-10-28 22:59:05,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2021-10-28 22:59:05,764 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-10-28 22:59:05,764 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-10-28 22:59:05,765 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 22:59:05,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 58 transitions. [2021-10-28 22:59:05,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:59:05,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:59:05,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:59:05,766 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:05,766 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:59:05,767 INFO L791 eck$LassoCheckResult]: Stem: 1912#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1893#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 1891#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 1892#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 1914#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 1913#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 1894#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 1896#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 1885#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 1887#L511-1 assume !strspn_#t~short7; 1917#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 1915#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 1906#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 1907#L510-5 strspn_#res := strspn_~l~0; 1910#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 1911#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 1881#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 1883#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 1903#L524-4 [2021-10-28 22:59:05,767 INFO L793 eck$LassoCheckResult]: Loop: 1903#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1899#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1877#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 1878#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 1903#L524-4 [2021-10-28 22:59:05,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:05,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1811163636, now seen corresponding path program 1 times [2021-10-28 22:59:05,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:05,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991547240] [2021-10-28 22:59:05,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:05,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:05,793 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:05,822 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:05,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:05,822 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 1 times [2021-10-28 22:59:05,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:05,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793064802] [2021-10-28 22:59:05,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:05,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:05,828 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:05,833 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:05,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:05,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1593747347, now seen corresponding path program 1 times [2021-10-28 22:59:05,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:05,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222543106] [2021-10-28 22:59:05,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:05,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:06,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:59:06,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:59:06,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222543106] [2021-10-28 22:59:06,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222543106] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:59:06,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:59:06,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-28 22:59:06,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022971955] [2021-10-28 22:59:06,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:59:06,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 22:59:06,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:59:06,082 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:06,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:59:06,318 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2021-10-28 22:59:06,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 22:59:06,319 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 119 transitions. [2021-10-28 22:59:06,320 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:59:06,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 78 states and 97 transitions. [2021-10-28 22:59:06,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-10-28 22:59:06,321 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-10-28 22:59:06,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 97 transitions. [2021-10-28 22:59:06,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:59:06,322 INFO L681 BuchiCegarLoop]: Abstraction has 78 states and 97 transitions. [2021-10-28 22:59:06,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 97 transitions. [2021-10-28 22:59:06,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 46. [2021-10-28 22:59:06,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 45 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:06,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2021-10-28 22:59:06,329 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2021-10-28 22:59:06,330 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2021-10-28 22:59:06,330 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 22:59:06,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 57 transitions. [2021-10-28 22:59:06,330 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:59:06,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:59:06,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:59:06,332 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:06,332 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:59:06,332 INFO L791 eck$LassoCheckResult]: Stem: 2081#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2062#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2060#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2061#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2083#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2082#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2063#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2064#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2057#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2059#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 2092#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2085#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2077#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 2074#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 2066#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2067#L510-1 assume !(0 != strspn_#t~mem10);havoc strspn_#t~mem10; 2076#L510-5 strspn_#res := strspn_~l~0; 2079#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2080#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2051#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2053#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2072#L524-4 [2021-10-28 22:59:06,333 INFO L793 eck$LassoCheckResult]: Loop: 2072#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2068#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2047#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 2048#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2072#L524-4 [2021-10-28 22:59:06,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:06,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1960799173, now seen corresponding path program 1 times [2021-10-28 22:59:06,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:06,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707680792] [2021-10-28 22:59:06,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:06,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:06,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:59:06,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:59:06,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707680792] [2021-10-28 22:59:06,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707680792] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:59:06,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877595546] [2021-10-28 22:59:06,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:06,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:59:06,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:06,604 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:59:06,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2021-10-28 22:59:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:06,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 50 conjunts are in the unsatisfiable core [2021-10-28 22:59:06,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:06,845 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 14 treesize of output 10 [2021-10-28 22:59:19,537 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-28 22:59:19,538 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 21 treesize of output 16 [2021-10-28 22:59:19,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:59:19,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877595546] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:59:19,547 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:59:19,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2021-10-28 22:59:19,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118300102] [2021-10-28 22:59:19,553 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:59:19,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:19,554 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 2 times [2021-10-28 22:59:19,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:19,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867005759] [2021-10-28 22:59:19,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:19,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:19,566 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:19,574 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:19,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:59:19,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-28 22:59:19,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=320, Unknown=1, NotChecked=0, Total=380 [2021-10-28 22:59:19,652 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. cyclomatic complexity: 15 Second operand has 20 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 20 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:20,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:59:20,824 INFO L93 Difference]: Finished difference Result 95 states and 117 transitions. [2021-10-28 22:59:20,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 22:59:20,824 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 117 transitions. [2021-10-28 22:59:20,825 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:59:20,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 89 states and 111 transitions. [2021-10-28 22:59:20,827 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-10-28 22:59:20,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-10-28 22:59:20,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 111 transitions. [2021-10-28 22:59:20,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:59:20,827 INFO L681 BuchiCegarLoop]: Abstraction has 89 states and 111 transitions. [2021-10-28 22:59:20,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 111 transitions. [2021-10-28 22:59:20,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 57. [2021-10-28 22:59:20,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.2456140350877194) internal successors, (71), 56 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) [2021-10-28 22:59:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2021-10-28 22:59:20,831 INFO L704 BuchiCegarLoop]: Abstraction has 57 states and 71 transitions. [2021-10-28 22:59:20,831 INFO L587 BuchiCegarLoop]: Abstraction has 57 states and 71 transitions. [2021-10-28 22:59:20,831 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 22:59:20,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 71 transitions. [2021-10-28 22:59:20,831 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:59:20,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:59:20,831 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:59:20,832 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:20,832 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:59:20,832 INFO L791 eck$LassoCheckResult]: Stem: 2326#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2306#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2304#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2305#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2328#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2327#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2307#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2309#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2299#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2300#L511-1 assume !strspn_#t~short7; 2337#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2336#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 2335#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2333#L511-1 assume !strspn_#t~short7; 2331#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2329#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2320#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 2321#L510-5 strspn_#res := strspn_~l~0; 2324#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2325#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2295#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2297#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2316#L524-4 [2021-10-28 22:59:20,832 INFO L793 eck$LassoCheckResult]: Loop: 2316#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2312#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2291#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 2292#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2316#L524-4 [2021-10-28 22:59:20,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:20,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1052721677, now seen corresponding path program 1 times [2021-10-28 22:59:20,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:20,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916178242] [2021-10-28 22:59:20,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:20,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:20,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:59:20,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:59:20,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916178242] [2021-10-28 22:59:20,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916178242] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:59:20,855 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:59:20,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:59:20,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542837800] [2021-10-28 22:59:20,856 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:59:20,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:20,856 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 3 times [2021-10-28 22:59:20,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:20,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82132145] [2021-10-28 22:59:20,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:20,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:20,862 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:20,865 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:20,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:59:20,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:59:20,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:59:20,933 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. cyclomatic complexity: 19 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:20,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:59:20,941 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2021-10-28 22:59:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:59:20,942 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 72 transitions. [2021-10-28 22:59:20,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:59:20,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 58 states and 69 transitions. [2021-10-28 22:59:20,944 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-28 22:59:20,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-28 22:59:20,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 69 transitions. [2021-10-28 22:59:20,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:59:20,944 INFO L681 BuchiCegarLoop]: Abstraction has 58 states and 69 transitions. [2021-10-28 22:59:20,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 69 transitions. [2021-10-28 22:59:20,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2021-10-28 22:59:20,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 56 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:20,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2021-10-28 22:59:20,948 INFO L704 BuchiCegarLoop]: Abstraction has 57 states and 68 transitions. [2021-10-28 22:59:20,948 INFO L587 BuchiCegarLoop]: Abstraction has 57 states and 68 transitions. [2021-10-28 22:59:20,948 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 22:59:20,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 68 transitions. [2021-10-28 22:59:20,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:59:20,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:59:20,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:59:20,950 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:20,950 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:59:20,951 INFO L791 eck$LassoCheckResult]: Stem: 2449#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2430#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2428#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2429#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2451#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2450#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2431#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2433#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2423#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2424#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 2459#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2458#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 2457#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2456#L511-1 assume !strspn_#t~short7; 2454#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2452#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2443#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 2444#L510-5 strspn_#res := strspn_~l~0; 2447#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2448#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2419#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2421#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2440#L524-4 [2021-10-28 22:59:20,951 INFO L793 eck$LassoCheckResult]: Loop: 2440#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2436#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2415#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 2416#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2440#L524-4 [2021-10-28 22:59:20,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:20,951 INFO L85 PathProgramCache]: Analyzing trace with hash -465915663, now seen corresponding path program 1 times [2021-10-28 22:59:20,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:20,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429202570] [2021-10-28 22:59:20,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:20,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:20,979 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:21,019 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:21,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:21,020 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 4 times [2021-10-28 22:59:21,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:21,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163488621] [2021-10-28 22:59:21,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:21,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:21,033 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:21,036 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:21,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:21,037 INFO L85 PathProgramCache]: Analyzing trace with hash -187987976, now seen corresponding path program 1 times [2021-10-28 22:59:21,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:21,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628094859] [2021-10-28 22:59:21,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:21,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:21,056 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:21,086 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:23,633 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:59:23,634 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:59:23,634 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:59:23,634 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:59:23,634 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:59:23,634 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:23,634 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:59:23,634 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:59:23,634 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration12_Lasso [2021-10-28 22:59:23,634 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:59:23,634 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:59:23,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:23,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:24,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:25,964 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:59:25,964 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:59:25,965 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:25,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:25,965 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:25,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 22:59:25,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:25,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:25,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:25,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:25,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:25,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:25,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:25,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:25,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-28 22:59:26,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,007 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 22:59:26,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:26,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,050 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 22:59:26,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:26,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,089 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 22:59:26,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-28 22:59:26,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,128 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 22:59:26,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:26,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,165 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 22:59:26,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:26,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,204 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 22:59:26,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-28 22:59:26,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,245 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 22:59:26,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:26,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,284 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 22:59:26,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-28 22:59:26,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,323 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 22:59:26,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-28 22:59:26,360 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,361 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 22:59:26,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-10-28 22:59:26,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,400 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 22:59:26,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-10-28 22:59:26,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,438 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 22:59:26,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:26,478 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,479 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 22:59:26,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-28 22:59:26,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,517 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-28 22:59:26,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:26,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,555 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-28 22:59:26,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:26,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:26,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:26,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,597 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-28 22:59:26,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:26,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:26,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-28 22:59:26,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,637 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-28 22:59:26,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-10-28 22:59:26,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,673 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-28 22:59:26,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:26,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,712 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-28 22:59:26,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-10-28 22:59:26,748 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,749 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 22:59:26,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-10-28 22:59:26,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,787 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-28 22:59:26,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:26,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:26,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:26,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:26,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,824 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-28 22:59:26,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:26,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:26,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:26,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,862 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-28 22:59:26,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:26,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:26,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:26,873 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:26,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:26,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:26,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:26,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:26,900 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:26,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-28 22:59:26,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:26,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:26,916 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2021-10-28 22:59:26,916 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-28 22:59:26,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:26,959 INFO L401 nArgumentSynthesizer]: We have 88 Motzkin's Theorem applications. [2021-10-28 22:59:26,959 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-28 22:59:27,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:27,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:27,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:27,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:27,066 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:27,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:27,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-28 22:59:27,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:27,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:27,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:27,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:27,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:27,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:27,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:27,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:27,151 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:27,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:27,154 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:27,162 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 [2021-10-28 22:59:27,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:27,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:27,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:27,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:27,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:27,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:27,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-28 22:59:27,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:27,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:27,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:27,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:27,229 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:27,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:27,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:27,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:27,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:27,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:27,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:27,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:27,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-28 22:59:27,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:27,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:27,293 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:27,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:27,294 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:27,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:27,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:27,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:27,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:27,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:27,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:27,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:27,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-28 22:59:27,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:27,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:27,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:27,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:27,367 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:27,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:27,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:27,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:27,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:27,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:27,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:27,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:27,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-28 22:59:27,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:27,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:27,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:27,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:27,432 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:27,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:27,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:27,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:27,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:27,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:27,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:27,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:27,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-28 22:59:27,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:27,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:27,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:27,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:27,508 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:27,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:27,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:27,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:27,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:27,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:27,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:27,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:27,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-28 22:59:27,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:27,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:27,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:27,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:27,571 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:27,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:27,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:27,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:27,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:27,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:27,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-28 22:59:27,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:27,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:27,642 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:59:27,704 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-10-28 22:59:27,705 INFO L444 ModelExtractionUtils]: 28 out of 82 variables were initially zero. Simplification set additionally 50 variables to zero. [2021-10-28 22:59:27,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:27,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:27,708 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:27,710 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:59:27,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-28 22:59:27,742 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:59:27,742 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:59:27,742 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_2, ULTIMATE.start_strcspn_~reject.offset) = -1*ULTIMATE.start_strcspn_~i~0 + 1*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_2 - 1*ULTIMATE.start_strcspn_~reject.offset Supporting invariants [] [2021-10-28 22:59:27,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:27,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:28,010 INFO L297 tatePredicateManager]: 40 out of 40 supporting invariants were superfluous and have been removed [2021-10-28 22:59:28,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:28,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:59:28,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:28,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:59:28,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:59:28,213 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 22:59:28,213 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 57 states and 68 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:28,233 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 57 states and 68 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 98 transitions. Complement of second has 5 states. [2021-10-28 22:59:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:59:28,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:28,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2021-10-28 22:59:28,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 22 letters. Loop has 4 letters. [2021-10-28 22:59:28,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:28,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 26 letters. Loop has 4 letters. [2021-10-28 22:59:28,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:28,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 22 letters. Loop has 8 letters. [2021-10-28 22:59:28,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:28,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 98 transitions. [2021-10-28 22:59:28,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:59:28,237 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 68 states and 80 transitions. [2021-10-28 22:59:28,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-28 22:59:28,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-28 22:59:28,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 80 transitions. [2021-10-28 22:59:28,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:59:28,238 INFO L681 BuchiCegarLoop]: Abstraction has 68 states and 80 transitions. [2021-10-28 22:59:28,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 80 transitions. [2021-10-28 22:59:28,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 63. [2021-10-28 22:59:28,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 62 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) [2021-10-28 22:59:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2021-10-28 22:59:28,253 INFO L704 BuchiCegarLoop]: Abstraction has 63 states and 74 transitions. [2021-10-28 22:59:28,253 INFO L587 BuchiCegarLoop]: Abstraction has 63 states and 74 transitions. [2021-10-28 22:59:28,254 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 22:59:28,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 74 transitions. [2021-10-28 22:59:28,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:59:28,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:59:28,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:59:28,256 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:28,257 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:59:28,258 INFO L791 eck$LassoCheckResult]: Stem: 2854#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2831#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 2829#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 2830#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 2857#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 2855#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 2832#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 2834#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 2824#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2825#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 2866#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2865#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 2864#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 2862#L511-1 assume !strspn_#t~short7; 2860#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 2858#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 2844#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 2845#L510-5 strspn_#res := strspn_~l~0; 2852#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 2853#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 2819#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2820#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2842#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2875#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 2856#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 2840#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 2821#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 2823#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 2841#L524-4 [2021-10-28 22:59:28,258 INFO L793 eck$LassoCheckResult]: Loop: 2841#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2838#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 2815#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 2816#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 2841#L524-4 [2021-10-28 22:59:28,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:28,261 INFO L85 PathProgramCache]: Analyzing trace with hash -269478821, now seen corresponding path program 1 times [2021-10-28 22:59:28,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:28,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105320045] [2021-10-28 22:59:28,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:28,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:59:28,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:59:28,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105320045] [2021-10-28 22:59:28,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105320045] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:59:28,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972662948] [2021-10-28 22:59:28,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:28,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:59:28,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:28,489 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:59:28,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (107)] Waiting until timeout for monitored process [2021-10-28 22:59:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:28,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-28 22:59:28,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:28,952 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 16 treesize of output 8 [2021-10-28 22:59:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:59:28,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972662948] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:59:28,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:59:28,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 17 [2021-10-28 22:59:28,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404085764] [2021-10-28 22:59:28,965 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:59:28,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:28,966 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 5 times [2021-10-28 22:59:28,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:28,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173821285] [2021-10-28 22:59:28,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:28,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:28,973 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:28,977 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:29,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:59:29,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-28 22:59:29,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-10-28 22:59:29,059 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. cyclomatic complexity: 17 Second operand has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:29,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:59:29,505 INFO L93 Difference]: Finished difference Result 142 states and 161 transitions. [2021-10-28 22:59:29,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-28 22:59:29,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 161 transitions. [2021-10-28 22:59:29,507 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:59:29,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 140 states and 159 transitions. [2021-10-28 22:59:29,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-10-28 22:59:29,510 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-10-28 22:59:29,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 159 transitions. [2021-10-28 22:59:29,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:59:29,510 INFO L681 BuchiCegarLoop]: Abstraction has 140 states and 159 transitions. [2021-10-28 22:59:29,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 159 transitions. [2021-10-28 22:59:29,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 66. [2021-10-28 22:59:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.1666666666666667) internal successors, (77), 65 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:29,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2021-10-28 22:59:29,514 INFO L704 BuchiCegarLoop]: Abstraction has 66 states and 77 transitions. [2021-10-28 22:59:29,514 INFO L587 BuchiCegarLoop]: Abstraction has 66 states and 77 transitions. [2021-10-28 22:59:29,514 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 22:59:29,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 77 transitions. [2021-10-28 22:59:29,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:59:29,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:59:29,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:59:29,517 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:29,517 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:59:29,517 INFO L791 eck$LassoCheckResult]: Stem: 3179#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3161#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 3159#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 3160#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 3182#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 3180#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 3162#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 3164#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 3154#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 3155#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 3192#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 3190#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 3189#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 3188#L511-1 assume !strspn_#t~short7; 3185#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 3183#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 3173#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 3174#L510-5 strspn_#res := strspn_~l~0; 3177#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 3178#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 3149#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 3150#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 3171#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3168#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3147#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 3148#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 3187#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3193#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 3181#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 3169#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 3151#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 3153#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 3170#L524-4 [2021-10-28 22:59:29,518 INFO L793 eck$LassoCheckResult]: Loop: 3170#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3167#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 3145#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 3146#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 3170#L524-4 [2021-10-28 22:59:29,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:29,518 INFO L85 PathProgramCache]: Analyzing trace with hash 579815970, now seen corresponding path program 1 times [2021-10-28 22:59:29,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:29,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27554245] [2021-10-28 22:59:29,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:29,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:29,533 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:29,555 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:29,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:29,555 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 6 times [2021-10-28 22:59:29,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:29,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848659455] [2021-10-28 22:59:29,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:29,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:29,572 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:29,575 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:29,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:29,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1474175145, now seen corresponding path program 2 times [2021-10-28 22:59:29,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:29,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242159121] [2021-10-28 22:59:29,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:29,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:29,592 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:29,615 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:33,138 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:59:33,139 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:59:33,139 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:59:33,139 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:59:33,139 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:59:33,139 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:33,139 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:59:33,139 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:59:33,139 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration14_Lasso [2021-10-28 22:59:33,139 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:59:33,139 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:59:33,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:33,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:33,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:33,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:33,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:33,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:33,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:33,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:33,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:33,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:34,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:59:36,143 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:59:36,143 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:59:36,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:36,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:36,152 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:36,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:36,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-28 22:59:36,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:36,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:36,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:36,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:36,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:36,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:36,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:36,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:36,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:36,233 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:36,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:36,235 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:36,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:36,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:36,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:36,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:36,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:36,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:36,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:36,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:36,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-28 22:59:36,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:36,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-28 22:59:36,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:36,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:36,293 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:36,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-28 22:59:36,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:36,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:36,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:36,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:36,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:36,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:36,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:36,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:36,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:36,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:36,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:36,332 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:36,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:36,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-28 22:59:36,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:36,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:36,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:36,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:36,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:36,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:36,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:36,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:36,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:36,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:36,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:36,368 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:36,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-28 22:59:36,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:36,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:36,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:36,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:36,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:36,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:36,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:36,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:36,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:36,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:36,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:36,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:36,406 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:36,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-28 22:59:36,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:36,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:36,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:36,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:36,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:36,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:36,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:36,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:36,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:36,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:36,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:36,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:36,443 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:36,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-28 22:59:36,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:36,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:36,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:36,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:36,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:36,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:36,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:36,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:36,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:36,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-10-28 22:59:36,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:36,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:36,480 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:36,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-28 22:59:36,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:36,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:36,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:36,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:36,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:36,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:36,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:36,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:36,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:36,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:36,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:36,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:36,517 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:36,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-28 22:59:36,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:36,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:36,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:59:36,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:36,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:36,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:36,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:59:36,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:59:36,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:36,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:36,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:36,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:36,554 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:36,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-28 22:59:36,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:36,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:36,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:36,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:36,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:36,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:36,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:36,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:36,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:36,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:36,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:36,597 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:36,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-28 22:59:36,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:36,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:36,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:36,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:36,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:36,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:36,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:36,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:36,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:36,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:36,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:36,698 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:36,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:36,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:36,711 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2021-10-28 22:59:36,711 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-28 22:59:36,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:36,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-28 22:59:36,786 INFO L401 nArgumentSynthesizer]: We have 136 Motzkin's Theorem applications. [2021-10-28 22:59:36,787 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-28 22:59:36,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:37,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:37,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:37,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:37,017 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:37,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-28 22:59:37,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:37,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:37,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:37,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:37,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:37,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:37,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:37,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:37,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:37,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:37,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:37,254 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:37,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:37,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:37,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:37,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:37,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:37,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:37,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:37,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-28 22:59:37,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:37,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:37,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:37,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:37,323 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:37,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:37,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:37,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:37,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:37,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:37,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:37,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:37,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-28 22:59:37,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:37,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:37,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:37,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:37,392 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:37,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:37,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:37,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:37,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:37,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:37,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:37,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:37,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-28 22:59:37,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:37,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-10-28 22:59:37,442 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:37,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:37,443 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:37,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-28 22:59:37,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:37,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:37,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:37,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:37,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:37,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:37,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:37,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:37,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-10-28 22:59:37,478 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:37,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:37,479 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:37,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-28 22:59:37,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:37,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:37,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:37,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:37,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:37,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:37,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:37,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:37,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2021-10-28 22:59:37,530 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:37,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:37,531 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:37,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-10-28 22:59:37,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:59:37,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:37,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:37,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:37,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:37,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:37,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:37,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:59:37,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-10-28 22:59:37,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:37,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:37,567 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:37,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-10-28 22:59:37,568 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 [2021-10-28 22:59:37,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:59:37,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:59:37,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:59:37,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:59:37,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:59:37,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:59:37,637 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:59:37,724 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-10-28 22:59:37,724 INFO L444 ModelExtractionUtils]: 54 out of 88 variables were initially zero. Simplification set additionally 31 variables to zero. [2021-10-28 22:59:37,724 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:37,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:37,743 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:37,750 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:59:37,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-28 22:59:37,772 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:59:37,772 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:59:37,773 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strspn_~a~0.base)_6) = -2*ULTIMATE.start_strcspn_~i~0 + 3*v_rep(select #length ULTIMATE.start_strspn_~a~0.base)_6 Supporting invariants [] [2021-10-28 22:59:37,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2021-10-28 22:59:38,024 INFO L297 tatePredicateManager]: 43 out of 46 supporting invariants were superfluous and have been removed [2021-10-28 22:59:38,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:38,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-10-28 22:59:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:38,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-28 22:59:38,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:39,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 22:59:39,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:59:39,249 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 3 loop predicates [2021-10-28 22:59:39,249 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17 Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:39,626 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 82 states and 95 transitions. Complement of second has 10 states. [2021-10-28 22:59:39,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 8 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-28 22:59:39,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:39,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 43 transitions. [2021-10-28 22:59:39,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 43 transitions. Stem has 32 letters. Loop has 4 letters. [2021-10-28 22:59:39,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:39,630 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 22:59:39,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:39,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-28 22:59:39,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:40,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 22:59:40,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:59:40,869 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.10 stem predicates 3 loop predicates [2021-10-28 22:59:40,869 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17 Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:41,207 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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 82 states and 95 transitions. Complement of second has 10 states. [2021-10-28 22:59:41,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 8 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-28 22:59:41,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:41,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 43 transitions. [2021-10-28 22:59:41,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 43 transitions. Stem has 32 letters. Loop has 4 letters. [2021-10-28 22:59:41,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:41,210 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 22:59:41,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:41,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 48 conjunts are in the unsatisfiable core [2021-10-28 22:59:41,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:42,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 22:59:42,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:42,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:59:42,267 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2021-10-28 22:59:42,267 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17 Second operand has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:42,748 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 77 transitions. cyclomatic complexity: 17. Second operand has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 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 134 states and 154 transitions. Complement of second has 17 states. [2021-10-28 22:59:42,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-28 22:59:42,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:42,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 85 transitions. [2021-10-28 22:59:42,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 85 transitions. Stem has 32 letters. Loop has 4 letters. [2021-10-28 22:59:42,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:42,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 85 transitions. Stem has 36 letters. Loop has 4 letters. [2021-10-28 22:59:42,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:42,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 85 transitions. Stem has 32 letters. Loop has 8 letters. [2021-10-28 22:59:42,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:59:42,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 134 states and 154 transitions. [2021-10-28 22:59:42,752 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 22:59:42,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 134 states to 120 states and 137 transitions. [2021-10-28 22:59:42,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2021-10-28 22:59:42,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-10-28 22:59:42,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 137 transitions. [2021-10-28 22:59:42,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:59:42,755 INFO L681 BuchiCegarLoop]: Abstraction has 120 states and 137 transitions. [2021-10-28 22:59:42,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 137 transitions. [2021-10-28 22:59:42,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2021-10-28 22:59:42,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.1555555555555554) internal successors, (104), 89 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:42,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2021-10-28 22:59:42,759 INFO L704 BuchiCegarLoop]: Abstraction has 90 states and 104 transitions. [2021-10-28 22:59:42,759 INFO L587 BuchiCegarLoop]: Abstraction has 90 states and 104 transitions. [2021-10-28 22:59:42,760 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-28 22:59:42,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 104 transitions. [2021-10-28 22:59:42,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 22:59:42,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:59:42,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:59:42,762 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:42,762 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:59:42,762 INFO L791 eck$LassoCheckResult]: Stem: 4192#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 4168#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 4166#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 4167#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 4197#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 4193#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 4169#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4170#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 4219#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4213#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 4214#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4200#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 4201#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 4183#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 4172#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4174#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 4205#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4218#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 4211#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4212#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 4186#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 4187#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 4217#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4215#L510-1 assume !(0 != strspn_#t~mem10);havoc strspn_#t~mem10; 4185#L510-5 strspn_#res := strspn_~l~0; 4190#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 4191#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 4158#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 4159#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 4243#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4240#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4242#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 4241#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 4239#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4237#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 4196#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 4177#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 4178#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 4179#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 4180#L524-4 [2021-10-28 22:59:42,763 INFO L793 eck$LassoCheckResult]: Loop: 4180#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4175#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4154#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 4155#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 4180#L524-4 [2021-10-28 22:59:42,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:42,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1481576100, now seen corresponding path program 1 times [2021-10-28 22:59:42,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:42,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301525560] [2021-10-28 22:59:42,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:42,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:42,996 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 22:59:42,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:59:42,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301525560] [2021-10-28 22:59:42,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301525560] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:59:42,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512571493] [2021-10-28 22:59:42,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:42,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:59:42,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:42,998 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:59:42,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (129)] Waiting until timeout for monitored process [2021-10-28 22:59:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:43,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-28 22:59:43,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:59:43,380 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 14 treesize of output 10 [2021-10-28 23:00:12,575 WARN L207 SmtUtils]: Spent 12.02 s on a formula simplification that was a NOOP. DAG size: 19 [2021-10-28 23:00:24,641 WARN L207 SmtUtils]: Spent 12.01 s on a formula simplification that was a NOOP. DAG size: 19 [2021-10-28 23:00:24,673 INFO L354 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2021-10-28 23:00:24,673 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 25 treesize of output 10 [2021-10-28 23:00:24,716 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 23:00:24,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512571493] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:00:24,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:00:24,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2021-10-28 23:00:24,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993659689] [2021-10-28 23:00:24,718 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:00:24,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:24,720 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 7 times [2021-10-28 23:00:24,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:24,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565819439] [2021-10-28 23:00:24,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:24,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:24,727 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:24,730 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:00:24,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:00:24,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-10-28 23:00:24,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=533, Unknown=3, NotChecked=0, Total=600 [2021-10-28 23:00:24,785 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. cyclomatic complexity: 22 Second operand has 25 states, 25 states have (on average 2.52) internal successors, (63), 25 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:00:49,693 WARN L207 SmtUtils]: Spent 24.06 s on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-10-28 23:00:59,931 WARN L207 SmtUtils]: Spent 9.03 s on a formula simplification that was a NOOP. DAG size: 23 [2021-10-28 23:01:12,194 WARN L207 SmtUtils]: Spent 12.02 s on a formula simplification that was a NOOP. DAG size: 28 [2021-10-28 23:01:24,249 WARN L207 SmtUtils]: Spent 12.02 s on a formula simplification that was a NOOP. DAG size: 31 [2021-10-28 23:01:24,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:01:24,277 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2021-10-28 23:01:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-28 23:01:24,278 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 138 states and 159 transitions. [2021-10-28 23:01:24,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 23:01:24,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 138 states to 133 states and 153 transitions. [2021-10-28 23:01:24,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2021-10-28 23:01:24,281 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2021-10-28 23:01:24,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 133 states and 153 transitions. [2021-10-28 23:01:24,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:01:24,281 INFO L681 BuchiCegarLoop]: Abstraction has 133 states and 153 transitions. [2021-10-28 23:01:24,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states and 153 transitions. [2021-10-28 23:01:24,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 78. [2021-10-28 23:01:24,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.141025641025641) internal successors, (89), 77 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:24,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2021-10-28 23:01:24,285 INFO L704 BuchiCegarLoop]: Abstraction has 78 states and 89 transitions. [2021-10-28 23:01:24,285 INFO L587 BuchiCegarLoop]: Abstraction has 78 states and 89 transitions. [2021-10-28 23:01:24,285 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-28 23:01:24,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 89 transitions. [2021-10-28 23:01:24,286 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 23:01:24,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:01:24,286 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:01:24,287 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:24,287 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 23:01:24,287 INFO L791 eck$LassoCheckResult]: Stem: 4598#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 4576#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 4574#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 4575#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 4604#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 4599#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 4577#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4578#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 4571#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4572#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 4639#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4606#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 4593#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 4590#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 4580#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 4581#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 4569#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4570#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 4638#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4637#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 4636#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 4611#L511-1 assume !strspn_#t~short7; 4607#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 4605#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 4591#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 4592#L510-5 strspn_#res := strspn_~l~0; 4596#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 4597#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 4566#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 4567#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 4589#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4635#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4564#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 4565#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 4634#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4615#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 4613#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 4585#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 4586#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 4587#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 4588#L524-4 [2021-10-28 23:01:24,287 INFO L793 eck$LassoCheckResult]: Loop: 4588#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4582#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 4562#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 4563#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 4588#L524-4 [2021-10-28 23:01:24,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:24,288 INFO L85 PathProgramCache]: Analyzing trace with hash -760734412, now seen corresponding path program 1 times [2021-10-28 23:01:24,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:24,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616761736] [2021-10-28 23:01:24,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:24,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:24,325 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:01:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:24,353 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:01:24,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:24,355 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 8 times [2021-10-28 23:01:24,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:24,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101481755] [2021-10-28 23:01:24,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:24,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:24,363 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:01:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:24,366 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:01:24,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:24,367 INFO L85 PathProgramCache]: Analyzing trace with hash -632087877, now seen corresponding path program 2 times [2021-10-28 23:01:24,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:24,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126093298] [2021-10-28 23:01:24,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:24,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:24,405 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:01:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:24,440 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:01:28,529 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:01:28,529 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:01:28,529 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:01:28,530 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:01:28,530 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:01:28,530 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:28,530 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:01:28,530 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:01:28,530 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration16_Lasso [2021-10-28 23:01:28,530 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:01:28,530 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:01:28,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:28,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:29,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:31,310 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:01:31,310 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:01:31,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,321 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-28 23:01:31,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:31,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,402 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-28 23:01:31,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:31,444 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,444 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-28 23:01:31,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2021-10-28 23:01:31,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,478 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-28 23:01:31,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2021-10-28 23:01:31,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,513 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-10-28 23:01:31,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:31,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,579 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-10-28 23:01:31,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2021-10-28 23:01:31,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,628 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-10-28 23:01:31,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:31,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,661 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-10-28 23:01:31,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:31,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,694 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-10-28 23:01:31,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:31,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,730 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-10-28 23:01:31,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:31,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,762 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-10-28 23:01:31,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2021-10-28 23:01:31,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,792 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-10-28 23:01:31,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-10-28 23:01:31,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,825 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-10-28 23:01:31,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-10-28 23:01:31,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,856 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-10-28 23:01:31,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:31,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,887 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-10-28 23:01:31,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-10-28 23:01:31,920 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,921 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-10-28 23:01:31,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:31,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,953 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-10-28 23:01:31,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:31,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:31,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:31,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:31,984 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:31,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-10-28 23:01:31,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:31,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:31,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:31,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:31,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:31,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:31,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:31,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:31,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2021-10-28 23:01:32,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,017 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-10-28 23:01:32,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:32,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:32,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:32,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,050 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-10-28 23:01:32,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:32,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:32,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:32,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,086 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-10-28 23:01:32,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:32,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:32,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2021-10-28 23:01:32,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,126 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-10-28 23:01:32,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:32,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:32,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-10-28 23:01:32,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,166 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-10-28 23:01:32,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:32,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:32,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:32,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,203 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-10-28 23:01:32,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:32,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:32,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:32,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,265 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-10-28 23:01:32,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:32,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:32,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:32,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,300 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-10-28 23:01:32,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:32,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:32,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:32,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,338 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-10-28 23:01:32,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:32,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:32,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:32,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2021-10-28 23:01:32,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,372 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-10-28 23:01:32,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:32,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:32,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:32,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,409 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-10-28 23:01:32,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:32,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:32,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:32,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,446 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-10-28 23:01:32,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:32,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:32,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:32,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,537 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:32,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:32,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:32,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-10-28 23:01:32,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:32,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,608 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:32,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:32,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-10-28 23:01:32,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:32,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:32,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,684 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:32,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:32,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:32,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:32,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:32,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-10-28 23:01:32,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:32,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:32,753 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:01:32,854 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2021-10-28 23:01:32,854 INFO L444 ModelExtractionUtils]: 39 out of 73 variables were initially zero. Simplification set additionally 30 variables to zero. [2021-10-28 23:01:32,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:32,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:32,857 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:32,858 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:01:32,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-10-28 23:01:32,884 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 23:01:32,884 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:01:32,884 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_7, ULTIMATE.start_strcspn_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc27.base)_7 - 1*ULTIMATE.start_strcspn_~i~0 Supporting invariants [1*ULTIMATE.start_strspn_~accept.offset >= 0] [2021-10-28 23:01:32,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:33,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:33,370 INFO L297 tatePredicateManager]: 59 out of 63 supporting invariants were superfluous and have been removed [2021-10-28 23:01:33,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:33,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-28 23:01:33,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:34,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 23:01:34,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:34,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:01:34,589 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2021-10-28 23:01:34,589 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 89 transitions. cyclomatic complexity: 18 Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:35,140 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 89 transitions. cyclomatic complexity: 18. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 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 148 states and 168 transitions. Complement of second has 15 states. [2021-10-28 23:01:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 10 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:01:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 73 transitions. [2021-10-28 23:01:35,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 73 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-28 23:01:35,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:01:35,141 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:01:35,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:35,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-28 23:01:35,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:36,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 23:01:36,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:36,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:01:36,113 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-28 23:01:36,113 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 89 transitions. cyclomatic complexity: 18 Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:36,416 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 89 transitions. cyclomatic complexity: 18. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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 148 states and 168 transitions. Complement of second has 14 states. [2021-10-28 23:01:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 9 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:01:36,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:36,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 73 transitions. [2021-10-28 23:01:36,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 73 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-28 23:01:36,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:01:36,417 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:01:36,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:36,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-28 23:01:36,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:37,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 23:01:37,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:37,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:01:37,310 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-28 23:01:37,310 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 89 transitions. cyclomatic complexity: 18 Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:37,691 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 89 transitions. cyclomatic complexity: 18. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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 190 states and 217 transitions. Complement of second has 14 states. [2021-10-28 23:01:37,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 9 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:01:37,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 97 transitions. [2021-10-28 23:01:37,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 97 transitions. Stem has 40 letters. Loop has 4 letters. [2021-10-28 23:01:37,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:01:37,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 97 transitions. Stem has 44 letters. Loop has 4 letters. [2021-10-28 23:01:37,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:01:37,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 97 transitions. Stem has 40 letters. Loop has 8 letters. [2021-10-28 23:01:37,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:01:37,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 217 transitions. [2021-10-28 23:01:37,695 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 23:01:37,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 137 states and 154 transitions. [2021-10-28 23:01:37,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2021-10-28 23:01:37,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-28 23:01:37,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 154 transitions. [2021-10-28 23:01:37,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:01:37,698 INFO L681 BuchiCegarLoop]: Abstraction has 137 states and 154 transitions. [2021-10-28 23:01:37,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 154 transitions. [2021-10-28 23:01:37,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 89. [2021-10-28 23:01:37,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.1348314606741574) internal successors, (101), 88 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:37,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 101 transitions. [2021-10-28 23:01:37,702 INFO L704 BuchiCegarLoop]: Abstraction has 89 states and 101 transitions. [2021-10-28 23:01:37,702 INFO L587 BuchiCegarLoop]: Abstraction has 89 states and 101 transitions. [2021-10-28 23:01:37,702 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-28 23:01:37,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 101 transitions. [2021-10-28 23:01:37,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 23:01:37,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:01:37,703 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:01:37,704 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:37,704 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 23:01:37,705 INFO L791 eck$LassoCheckResult]: Stem: 5959#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 5936#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 5934#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 5935#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 5964#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 5960#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 5937#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 5939#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 5929#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 5930#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 5970#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 5971#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 5987#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 5975#L511-1 assume !strspn_#t~short7; 5976#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 5965#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 5966#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 5977#L510-5 strspn_#res := strspn_~l~0; 5978#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 5961#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 5962#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 6004#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 6003#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 6000#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 6002#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 6001#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 5999#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5998#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 5997#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 5996#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 5928#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 5927#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 6010#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5943#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5924#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 5925#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 5974#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5995#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 5963#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 5944#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 5945#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 5946#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 5947#L524-4 [2021-10-28 23:01:37,705 INFO L793 eck$LassoCheckResult]: Loop: 5947#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5942#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 5922#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 5923#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 5947#L524-4 [2021-10-28 23:01:37,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:37,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1233200621, now seen corresponding path program 3 times [2021-10-28 23:01:37,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:37,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242804998] [2021-10-28 23:01:37,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:37,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:37,729 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:01:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:37,756 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:01:37,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:37,757 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 9 times [2021-10-28 23:01:37,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:37,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825192267] [2021-10-28 23:01:37,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:37,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:37,787 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:01:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:37,790 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:01:37,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:37,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1219645466, now seen corresponding path program 4 times [2021-10-28 23:01:37,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:37,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154065400] [2021-10-28 23:01:37,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:37,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:37,826 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:01:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:37,883 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:01:41,586 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:01:41,586 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:01:41,586 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:01:41,586 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:01:41,586 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:01:41,586 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:41,586 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:01:41,586 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:01:41,586 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration17_Lasso [2021-10-28 23:01:41,586 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:01:41,586 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:01:41,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:41,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:43,664 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-10-28 23:01:45,675 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:01:45,675 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:01:45,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:45,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:45,695 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:45,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-10-28 23:01:45,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:45,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:45,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:45,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:45,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:45,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:45,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:45,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:45,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:45,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2021-10-28 23:01:45,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:45,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:45,733 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:45,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-10-28 23:01:45,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:45,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:45,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:45,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:45,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:45,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:45,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:45,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:45,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:45,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:45,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:45,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:45,769 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:45,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-10-28 23:01:45,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:45,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:45,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:45,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:45,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:45,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:45,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:45,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:45,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:45,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2021-10-28 23:01:45,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:45,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:45,808 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:45,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-10-28 23:01:45,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:45,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:45,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:45,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:45,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:45,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:45,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:45,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:45,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:45,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2021-10-28 23:01:45,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:45,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:45,845 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:45,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-10-28 23:01:45,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:45,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:45,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:45,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:45,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:45,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:45,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:45,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:45,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:45,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2021-10-28 23:01:45,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:45,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:45,881 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:45,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2021-10-28 23:01:45,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:45,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:45,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:45,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:45,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:45,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:45,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:45,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:45,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:45,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2021-10-28 23:01:45,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:45,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:45,918 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:45,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-10-28 23:01:45,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:45,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:45,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:45,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:45,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:45,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:45,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:45,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:45,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:45,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:45,954 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:45,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:45,954 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:45,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-10-28 23:01:45,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:45,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:45,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:45,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:45,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:45,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:45,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:45,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:45,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:45,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2021-10-28 23:01:45,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:45,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:45,989 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:45,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-10-28 23:01:45,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:45,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:45,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:45,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:45,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:46,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:46,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2021-10-28 23:01:46,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,026 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-10-28 23:01:46,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:46,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:46,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:46,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2021-10-28 23:01:46,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,060 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-10-28 23:01:46,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:46,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:46,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:46,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:46,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,093 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-10-28 23:01:46,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:46,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:46,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:46,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:46,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,127 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-10-28 23:01:46,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:46,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:46,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:46,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:46,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,162 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2021-10-28 23:01:46,163 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 [2021-10-28 23:01:46,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:46,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:46,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:46,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:46,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,197 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-10-28 23:01:46,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:46,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:46,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:46,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:46,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,231 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2021-10-28 23:01:46,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:46,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:46,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:46,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:46,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,266 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2021-10-28 23:01:46,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:46,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:46,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:46,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:46,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,302 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2021-10-28 23:01:46,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:46,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:46,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:46,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:46,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,338 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2021-10-28 23:01:46,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:46,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:46,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:46,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2021-10-28 23:01:46,375 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,376 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2021-10-28 23:01:46,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:46,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:46,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:46,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,415 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2021-10-28 23:01:46,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:46,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:46,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:46,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2021-10-28 23:01:46,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,450 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2021-10-28 23:01:46,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:46,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:46,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:46,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2021-10-28 23:01:46,485 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,486 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2021-10-28 23:01:46,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:46,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:46,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:46,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2021-10-28 23:01:46,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,530 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2021-10-28 23:01:46,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:46,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:46,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Ended with exit code 0 [2021-10-28 23:01:46,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,575 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2021-10-28 23:01:46,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:46,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:46,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2021-10-28 23:01:46,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,631 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2021-10-28 23:01:46,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:46,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:46,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:46,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,671 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2021-10-28 23:01:46,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:46,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:46,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:46,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:46,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,709 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2021-10-28 23:01:46,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:46,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:46,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2021-10-28 23:01:46,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,780 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2021-10-28 23:01:46,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:46,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:46,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:46,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:46,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:46,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2021-10-28 23:01:46,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:46,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:46,823 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:46,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2021-10-28 23:01:46,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:46,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:46,834 INFO L203 nArgumentSynthesizer]: 36 stem disjuncts [2021-10-28 23:01:46,834 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-28 23:01:46,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:46,983 INFO L401 nArgumentSynthesizer]: We have 328 Motzkin's Theorem applications. [2021-10-28 23:01:46,983 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-28 23:01:47,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:47,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2021-10-28 23:01:47,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:47,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:47,350 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:47,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2021-10-28 23:01:47,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:47,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:47,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:47,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:47,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:47,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:47,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:47,416 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:01:47,449 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-28 23:01:47,449 INFO L444 ModelExtractionUtils]: 73 out of 88 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 23:01:47,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:47,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:47,450 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:47,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2021-10-28 23:01:47,451 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:01:47,462 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:01:47,463 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:01:47,463 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_5) = -2*ULTIMATE.start_strcspn_~i~0 + 5*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_5 Supporting invariants [] [2021-10-28 23:01:47,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:47,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:47,738 INFO L297 tatePredicateManager]: 50 out of 51 supporting invariants were superfluous and have been removed [2021-10-28 23:01:47,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:47,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-28 23:01:47,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:48,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:01:48,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:48,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:01:48,676 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2021-10-28 23:01:48,676 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 89 states and 101 transitions. cyclomatic complexity: 20 Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:48,957 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 89 states and 101 transitions. cyclomatic complexity: 20. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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 91 states and 103 transitions. Complement of second has 9 states. [2021-10-28 23:01:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 7 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-28 23:01:48,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:48,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 39 transitions. [2021-10-28 23:01:48,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 42 letters. Loop has 4 letters. [2021-10-28 23:01:48,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:01:48,959 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:01:48,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-28 23:01:49,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:49,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:01:49,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:49,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:01:49,765 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.9 stem predicates 3 loop predicates [2021-10-28 23:01:49,765 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 89 states and 101 transitions. cyclomatic complexity: 20 Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:50,019 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 89 states and 101 transitions. cyclomatic complexity: 20. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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 91 states and 103 transitions. Complement of second has 9 states. [2021-10-28 23:01:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 7 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-28 23:01:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:50,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 39 transitions. [2021-10-28 23:01:50,020 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 42 letters. Loop has 4 letters. [2021-10-28 23:01:50,020 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:01:50,020 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:01:50,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:50,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-28 23:01:50,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:50,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:01:50,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:01:50,877 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2021-10-28 23:01:50,877 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 89 states and 101 transitions. cyclomatic complexity: 20 Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:51,235 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 89 states and 101 transitions. cyclomatic complexity: 20. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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 142 states and 161 transitions. Complement of second has 18 states. [2021-10-28 23:01:51,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-28 23:01:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:51,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 91 transitions. [2021-10-28 23:01:51,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 91 transitions. Stem has 42 letters. Loop has 4 letters. [2021-10-28 23:01:51,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:01:51,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 91 transitions. Stem has 46 letters. Loop has 4 letters. [2021-10-28 23:01:51,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:01:51,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 91 transitions. Stem has 42 letters. Loop has 8 letters. [2021-10-28 23:01:51,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:01:51,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 161 transitions. [2021-10-28 23:01:51,239 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 23:01:51,241 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 144 transitions. [2021-10-28 23:01:51,241 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2021-10-28 23:01:51,241 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-28 23:01:51,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 144 transitions. [2021-10-28 23:01:51,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:01:51,241 INFO L681 BuchiCegarLoop]: Abstraction has 128 states and 144 transitions. [2021-10-28 23:01:51,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 144 transitions. [2021-10-28 23:01:51,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 99. [2021-10-28 23:01:51,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.1313131313131313) internal successors, (112), 98 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:01:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2021-10-28 23:01:51,245 INFO L704 BuchiCegarLoop]: Abstraction has 99 states and 112 transitions. [2021-10-28 23:01:51,245 INFO L587 BuchiCegarLoop]: Abstraction has 99 states and 112 transitions. [2021-10-28 23:01:51,246 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-10-28 23:01:51,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 112 transitions. [2021-10-28 23:01:51,246 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 23:01:51,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:01:51,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:01:51,247 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:01:51,248 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 23:01:51,248 INFO L791 eck$LassoCheckResult]: Stem: 7120#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7096#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 7094#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 7095#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 7126#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 7123#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 7097#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 7098#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7139#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7138#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 7137#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7136#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 7135#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 7110#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 7100#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 7101#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7132#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7144#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 7143#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7128#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 7113#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 7114#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 7134#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 7131#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 7090#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7091#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 7130#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7115#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 7092#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 7093#L511-1 assume !strspn_#t~short7; 7129#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 7127#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 7111#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 7112#L510-5 strspn_#res := strspn_~l~0; 7118#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 7119#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 7087#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 7088#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 7116#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7117#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7181#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 7180#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 7179#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7177#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 7124#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 7125#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 7148#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 7106#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 7107#L524-4 [2021-10-28 23:01:51,248 INFO L793 eck$LassoCheckResult]: Loop: 7107#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7102#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 7083#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 7084#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 7107#L524-4 [2021-10-28 23:01:51,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:51,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1089618362, now seen corresponding path program 3 times [2021-10-28 23:01:51,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:51,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194356615] [2021-10-28 23:01:51,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:51,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:51,276 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:01:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:51,307 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:01:51,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:51,308 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 10 times [2021-10-28 23:01:51,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:51,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394819521] [2021-10-28 23:01:51,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:51,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:51,319 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:01:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:51,323 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:01:51,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:51,323 INFO L85 PathProgramCache]: Analyzing trace with hash -369237299, now seen corresponding path program 4 times [2021-10-28 23:01:51,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:51,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741941008] [2021-10-28 23:01:51,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:51,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:51,399 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:01:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:51,452 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:01:56,034 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:01:56,034 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:01:56,034 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:01:56,034 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:01:56,034 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:01:56,034 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:56,034 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:01:56,034 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:01:56,034 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration18_Lasso [2021-10-28 23:01:56,034 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:01:56,034 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:01:56,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:56,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:57,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:57,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:57,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:57,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:57,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:57,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:57,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:59,206 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:01:59,207 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:01:59,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,234 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2021-10-28 23:01:59,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2021-10-28 23:01:59,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,280 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2021-10-28 23:01:59,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,312 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2021-10-28 23:01:59,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2021-10-28 23:01:59,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,347 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2021-10-28 23:01:59,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2021-10-28 23:01:59,381 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,382 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2021-10-28 23:01:59,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,417 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2021-10-28 23:01:59,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,452 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2021-10-28 23:01:59,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2021-10-28 23:01:59,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,487 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2021-10-28 23:01:59,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Ended with exit code 0 [2021-10-28 23:01:59,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,524 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2021-10-28 23:01:59,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,560 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2021-10-28 23:01:59,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,594 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,595 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2021-10-28 23:01:59,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,648 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2021-10-28 23:01:59,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,684 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2021-10-28 23:01:59,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,721 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2021-10-28 23:01:59,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2021-10-28 23:01:59,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,759 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2021-10-28 23:01:59,760 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 [2021-10-28 23:01:59,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Ended with exit code 0 [2021-10-28 23:01:59,796 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,797 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2021-10-28 23:01:59,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Ended with exit code 0 [2021-10-28 23:01:59,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,833 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2021-10-28 23:01:59,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:01:59,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:01:59,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,873 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2021-10-28 23:01:59,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Ended with exit code 0 [2021-10-28 23:01:59,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,918 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2021-10-28 23:01:59,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2021-10-28 23:01:59,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,955 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2021-10-28 23:01:59,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,993 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2021-10-28 23:01:59,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:00,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:00,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:00,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Ended with exit code 0 [2021-10-28 23:02:00,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,030 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2021-10-28 23:02:00,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:00,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:00,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:00,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:00,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,071 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2021-10-28 23:02:00,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:00,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:00,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:00,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Ended with exit code 0 [2021-10-28 23:02:00,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,110 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2021-10-28 23:02:00,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:00,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:00,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:00,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:00,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,147 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2021-10-28 23:02:00,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:00,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:00,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Ended with exit code 0 [2021-10-28 23:02:00,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,186 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2021-10-28 23:02:00,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:00,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:00,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:00,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:00,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,222 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2021-10-28 23:02:00,225 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 [2021-10-28 23:02:00,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:00,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:00,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:00,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:00,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,260 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2021-10-28 23:02:00,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:00,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:00,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:00,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Ended with exit code 0 [2021-10-28 23:02:00,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,296 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2021-10-28 23:02:00,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:00,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:00,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:00,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:00,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,333 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2021-10-28 23:02:00,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:00,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:00,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:00,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:00,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,381 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2021-10-28 23:02:00,382 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 [2021-10-28 23:02:00,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:00,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:00,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:00,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Ended with exit code 0 [2021-10-28 23:02:00,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,416 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2021-10-28 23:02:00,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:00,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:00,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Ended with exit code 0 [2021-10-28 23:02:00,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,452 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2021-10-28 23:02:00,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:00,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:00,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Ended with exit code 0 [2021-10-28 23:02:00,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,490 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2021-10-28 23:02:00,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:00,500 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:00,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:00,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,526 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2021-10-28 23:02:00,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:00,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:00,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Ended with exit code 0 [2021-10-28 23:02:00,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,563 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2021-10-28 23:02:00,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:00,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:00,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Ended with exit code 0 [2021-10-28 23:02:00,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,600 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2021-10-28 23:02:00,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:00,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:00,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Ended with exit code 0 [2021-10-28 23:02:00,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,663 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2021-10-28 23:02:00,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:00,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:00,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:00,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,703 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2021-10-28 23:02:00,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:00,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:00,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Ended with exit code 0 [2021-10-28 23:02:00,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,739 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2021-10-28 23:02:00,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:00,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:00,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:00,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,777 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2021-10-28 23:02:00,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:00,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:00,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:00,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:00,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:00,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:00,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,812 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2021-10-28 23:02:00,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:00,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:00,822 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2021-10-28 23:02:00,822 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-28 23:02:00,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:00,908 INFO L401 nArgumentSynthesizer]: We have 136 Motzkin's Theorem applications. [2021-10-28 23:02:00,908 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-28 23:02:01,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:01,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Ended with exit code 0 [2021-10-28 23:02:01,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:01,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:01,114 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:01,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2021-10-28 23:02:01,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:01,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:01,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:01,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:01,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:01,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:01,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:01,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:01,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:01,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Ended with exit code 0 [2021-10-28 23:02:01,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:01,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:01,150 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:01,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Waiting until timeout for monitored process [2021-10-28 23:02:01,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:01,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:01,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:01,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:01,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:01,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:01,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:01,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:01,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:01,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Ended with exit code 0 [2021-10-28 23:02:01,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:01,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:01,185 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:01,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2021-10-28 23:02:01,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:01,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:01,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:01,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:01,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:01,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:01,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:01,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:01,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Ended with exit code 0 [2021-10-28 23:02:01,244 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:01,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:01,245 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:01,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2021-10-28 23:02:01,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:01,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:01,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:01,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:01,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:01,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:01,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:01,301 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:02:01,432 INFO L443 ModelExtractionUtils]: Simplification made 48 calls to the SMT solver. [2021-10-28 23:02:01,432 INFO L444 ModelExtractionUtils]: 27 out of 79 variables were initially zero. Simplification set additionally 48 variables to zero. [2021-10-28 23:02:01,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:01,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:01,434 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:01,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2021-10-28 23:02:01,435 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:02:01,444 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 23:02:01,444 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:02:01,445 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_6) = -2*ULTIMATE.start_strcspn_~i~0 + 5*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_6 Supporting invariants [1*ULTIMATE.start_strcspn_#in~s.offset >= 0] [2021-10-28 23:02:01,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:01,845 INFO L297 tatePredicateManager]: 68 out of 71 supporting invariants were superfluous and have been removed [2021-10-28 23:02:01,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:01,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 41 conjunts are in the unsatisfiable core [2021-10-28 23:02:01,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:02,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 23:02:03,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:03,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:02:03,150 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2021-10-28 23:02:03,150 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 99 states and 112 transitions. cyclomatic complexity: 22 Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:03,668 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 99 states and 112 transitions. cyclomatic complexity: 22. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 156 states and 177 transitions. Complement of second has 16 states. [2021-10-28 23:02:03,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 11 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:02:03,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:03,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 71 transitions. [2021-10-28 23:02:03,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 71 transitions. Stem has 48 letters. Loop has 4 letters. [2021-10-28 23:02:03,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:03,669 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:02:03,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:03,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 43 conjunts are in the unsatisfiable core [2021-10-28 23:02:03,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:04,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 23:02:04,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:04,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:02:04,913 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.11 stem predicates 2 loop predicates [2021-10-28 23:02:04,913 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 99 states and 112 transitions. cyclomatic complexity: 22 Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:05,400 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 99 states and 112 transitions. cyclomatic complexity: 22. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 156 states and 177 transitions. Complement of second has 16 states. [2021-10-28 23:02:05,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 11 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:02:05,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:05,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 71 transitions. [2021-10-28 23:02:05,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 71 transitions. Stem has 48 letters. Loop has 4 letters. [2021-10-28 23:02:05,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:05,402 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:02:05,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:05,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 41 conjunts are in the unsatisfiable core [2021-10-28 23:02:05,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:06,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 23:02:06,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:02:06,801 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2021-10-28 23:02:06,802 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 99 states and 112 transitions. cyclomatic complexity: 22 Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:07,471 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 99 states and 112 transitions. cyclomatic complexity: 22. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 174 states and 199 transitions. Complement of second has 15 states. [2021-10-28 23:02:07,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 11 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:02:07,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:07,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 87 transitions. [2021-10-28 23:02:07,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 87 transitions. Stem has 48 letters. Loop has 4 letters. [2021-10-28 23:02:07,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:07,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 87 transitions. Stem has 52 letters. Loop has 4 letters. [2021-10-28 23:02:07,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:07,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 87 transitions. Stem has 48 letters. Loop has 8 letters. [2021-10-28 23:02:07,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:07,474 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 174 states and 199 transitions. [2021-10-28 23:02:07,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 23:02:07,484 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 174 states to 121 states and 136 transitions. [2021-10-28 23:02:07,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-10-28 23:02:07,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2021-10-28 23:02:07,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 136 transitions. [2021-10-28 23:02:07,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:02:07,485 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 136 transitions. [2021-10-28 23:02:07,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 136 transitions. [2021-10-28 23:02:07,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 110. [2021-10-28 23:02:07,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 110 states have (on average 1.1272727272727272) internal successors, (124), 109 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 124 transitions. [2021-10-28 23:02:07,489 INFO L704 BuchiCegarLoop]: Abstraction has 110 states and 124 transitions. [2021-10-28 23:02:07,489 INFO L587 BuchiCegarLoop]: Abstraction has 110 states and 124 transitions. [2021-10-28 23:02:07,489 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-10-28 23:02:07,490 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states and 124 transitions. [2021-10-28 23:02:07,490 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 23:02:07,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:02:07,491 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:02:07,492 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:02:07,492 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 23:02:07,492 INFO L791 eck$LassoCheckResult]: Stem: 8632#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8610#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 8608#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 8609#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 8636#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 8634#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 8611#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 8613#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 8603#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 8604#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 8667#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 8664#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 8661#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 8643#L511-1 assume !strspn_#t~short7; 8640#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 8637#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 8624#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 8625#L510-5 strspn_#res := strspn_~l~0; 8644#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 8686#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 8599#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 8600#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 8621#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8628#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8677#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 8676#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 8675#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8669#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 8635#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 8618#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 8601#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 8602#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 8694#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8691#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8693#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 8692#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 8690#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8689#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 8688#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 8687#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 8685#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 8684#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 8683#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8679#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8681#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 8680#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 8678#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8649#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 8648#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 8647#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 8645#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 8619#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 8620#L524-4 [2021-10-28 23:02:07,493 INFO L793 eck$LassoCheckResult]: Loop: 8620#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8616#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 8595#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 8596#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 8620#L524-4 [2021-10-28 23:02:07,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:07,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1456730308, now seen corresponding path program 5 times [2021-10-28 23:02:07,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:02:07,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674347228] [2021-10-28 23:02:07,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:07,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:02:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:07,524 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:02:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:07,558 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:02:07,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:07,558 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 11 times [2021-10-28 23:02:07,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:02:07,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578348750] [2021-10-28 23:02:07,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:07,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:02:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:07,573 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:02:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:07,576 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:02:07,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:07,577 INFO L85 PathProgramCache]: Analyzing trace with hash -162879925, now seen corresponding path program 6 times [2021-10-28 23:02:07,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:02:07,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836115142] [2021-10-28 23:02:07,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:07,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:02:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:07,605 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:02:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:07,636 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:02:12,533 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:02:12,533 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:02:12,533 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:02:12,533 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:02:12,533 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:02:12,533 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:12,533 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:02:12,533 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:02:12,534 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration19_Lasso [2021-10-28 23:02:12,534 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:02:12,534 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:02:12,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:12,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:14,897 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-10-28 23:02:26,756 WARN L207 SmtUtils]: Spent 11.79 s on a formula simplification. DAG size of input: 304 DAG size of output: 156 [2021-10-28 23:02:27,235 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:02:27,236 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:02:27,236 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,255 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2021-10-28 23:02:27,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Ended with exit code 0 [2021-10-28 23:02:27,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,316 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2021-10-28 23:02:27,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:27,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,354 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2021-10-28 23:02:27,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:27,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,391 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2021-10-28 23:02:27,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:27,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,429 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2021-10-28 23:02:27,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:27,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,468 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2021-10-28 23:02:27,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:27,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,510 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2021-10-28 23:02:27,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Ended with exit code 0 [2021-10-28 23:02:27,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,554 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2021-10-28 23:02:27,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:27,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,591 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2021-10-28 23:02:27,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Ended with exit code 0 [2021-10-28 23:02:27,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,629 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2021-10-28 23:02:27,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Ended with exit code 0 [2021-10-28 23:02:27,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,668 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2021-10-28 23:02:27,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Ended with exit code 0 [2021-10-28 23:02:27,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,706 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2021-10-28 23:02:27,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:27,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,745 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2021-10-28 23:02:27,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:27,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,806 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2021-10-28 23:02:27,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:27,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,863 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Waiting until timeout for monitored process [2021-10-28 23:02:27,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Ended with exit code 0 [2021-10-28 23:02:27,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,925 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2021-10-28 23:02:27,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:27,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:27,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:27,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:27,964 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:27,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2021-10-28 23:02:27,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:27,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:27,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:27,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:27,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:27,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:27,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:27,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:27,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:28,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:28,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:28,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:28,003 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:28,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2021-10-28 23:02:28,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:28,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:28,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:28,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:28,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:28,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:28,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:28,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:28,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:28,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:28,044 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:28,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:28,045 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:28,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2021-10-28 23:02:28,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:28,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:28,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:28,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:28,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:28,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:28,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:28,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:28,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:28,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:28,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:28,089 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:28,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2021-10-28 23:02:28,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:28,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:28,099 INFO L203 nArgumentSynthesizer]: 108 stem disjuncts [2021-10-28 23:02:28,100 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-28 23:02:28,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:28,678 INFO L401 nArgumentSynthesizer]: We have 904 Motzkin's Theorem applications. [2021-10-28 23:02:28,678 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-28 23:02:30,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:30,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Ended with exit code 0 [2021-10-28 23:02:30,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:30,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:30,407 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:30,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2021-10-28 23:02:30,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:30,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:30,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:30,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:30,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:30,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:30,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:30,463 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:02:30,500 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 23:02:30,500 INFO L444 ModelExtractionUtils]: 25 out of 79 variables were initially zero. Simplification set additionally 50 variables to zero. [2021-10-28 23:02:30,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:30,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:30,504 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:30,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2021-10-28 23:02:30,505 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:02:30,514 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:02:30,514 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:02:30,514 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_7, ULTIMATE.start_strspn_~accept.offset) = -1*ULTIMATE.start_strcspn_~i~0 + 1*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_7 - 1*ULTIMATE.start_strspn_~accept.offset Supporting invariants [] [2021-10-28 23:02:30,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:30,944 INFO L297 tatePredicateManager]: 76 out of 78 supporting invariants were superfluous and have been removed [2021-10-28 23:02:30,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:31,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-28 23:02:31,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:31,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:32,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:02:32,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:02:32,069 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-28 23:02:32,069 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 124 transitions. cyclomatic complexity: 24 Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:32,297 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 124 transitions. cyclomatic complexity: 24. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120 states and 135 transitions. Complement of second has 12 states. [2021-10-28 23:02:32,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:02:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:32,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 47 transitions. [2021-10-28 23:02:32,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 47 transitions. Stem has 52 letters. Loop has 4 letters. [2021-10-28 23:02:32,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:32,299 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:02:32,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:32,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-28 23:02:32,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:33,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:02:33,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:02:33,427 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-28 23:02:33,428 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 124 transitions. cyclomatic complexity: 24 Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:33,649 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 124 transitions. cyclomatic complexity: 24. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120 states and 135 transitions. Complement of second has 12 states. [2021-10-28 23:02:33,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:02:33,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:33,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 47 transitions. [2021-10-28 23:02:33,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 47 transitions. Stem has 52 letters. Loop has 4 letters. [2021-10-28 23:02:33,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:33,651 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:02:33,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:33,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-28 23:02:33,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:34,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:02:34,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:34,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:02:34,759 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-28 23:02:34,759 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 124 transitions. cyclomatic complexity: 24 Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:35,044 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 124 transitions. cyclomatic complexity: 24. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 167 states and 190 transitions. Complement of second has 11 states. [2021-10-28 23:02:35,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:02:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:35,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 63 transitions. [2021-10-28 23:02:35,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 63 transitions. Stem has 52 letters. Loop has 4 letters. [2021-10-28 23:02:35,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:35,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 63 transitions. Stem has 56 letters. Loop has 4 letters. [2021-10-28 23:02:35,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:35,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 63 transitions. Stem has 52 letters. Loop has 8 letters. [2021-10-28 23:02:35,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:35,046 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 167 states and 190 transitions. [2021-10-28 23:02:35,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 23:02:35,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 167 states to 78 states and 87 transitions. [2021-10-28 23:02:35,052 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-28 23:02:35,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-28 23:02:35,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 87 transitions. [2021-10-28 23:02:35,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:02:35,052 INFO L681 BuchiCegarLoop]: Abstraction has 78 states and 87 transitions. [2021-10-28 23:02:35,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 87 transitions. [2021-10-28 23:02:35,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2021-10-28 23:02:35,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 76 states have (on average 1.118421052631579) internal successors, (85), 75 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:35,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2021-10-28 23:02:35,055 INFO L704 BuchiCegarLoop]: Abstraction has 76 states and 85 transitions. [2021-10-28 23:02:35,055 INFO L587 BuchiCegarLoop]: Abstraction has 76 states and 85 transitions. [2021-10-28 23:02:35,055 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-10-28 23:02:35,055 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states and 85 transitions. [2021-10-28 23:02:35,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 23:02:35,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:02:35,056 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:02:35,057 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:02:35,057 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 23:02:35,057 INFO L791 eck$LassoCheckResult]: Stem: 10087#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10069#L-1 havoc main_#res;havoc main_#t~nondet24, main_#t~malloc25.base, main_#t~malloc25.offset, main_#t~nondet26, main_#t~malloc27.base, main_#t~malloc27.offset, main_#t~ret28.base, main_#t~ret28.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~delim_len~0, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;main_~in_len~0 := main_#t~nondet24;havoc main_#t~nondet24; 10067#L544 assume !(main_~in_len~0 < 1);call main_#t~malloc25.base, main_#t~malloc25.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc25.base, main_#t~malloc25.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~delim_len~0 := main_#t~nondet26;havoc main_#t~nondet26; 10068#L548 assume !(main_~delim_len~0 < 1);call main_#t~malloc27.base, main_#t~malloc27.offset := #Ultimate.allocOnStack(main_~delim_len~0);main_~delim~0.base, main_~delim~0.offset := main_#t~malloc27.base, main_#t~malloc27.offset;call main_~#ptr~0.base, main_~#ptr~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0.base, main_~#ptr~0.offset, 8);strtok_r_#in~s.base, strtok_r_#in~s.offset, strtok_r_#in~delim.base, strtok_r_#in~delim.offset, strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset := main_~in~0.base, main_~in~0.offset, main_~delim~0.base, main_~delim~0.offset, main_~#ptr~0.base, main_~#ptr~0.offset;havoc strtok_r_#res.base, strtok_r_#res.offset;havoc strtok_r_#t~mem18.base, strtok_r_#t~mem18.offset, strtok_r_#t~ret19, strtok_r_#t~mem20, strtok_r_#t~ret21, strtok_r_#t~mem22, strtok_r_#t~post23.base, strtok_r_#t~post23.offset, strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset, strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset, strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_#in~s.base, strtok_r_#in~s.offset;strtok_r_~delim.base, strtok_r_~delim.offset := strtok_r_#in~delim.base, strtok_r_#in~delim.offset;strtok_r_~ptrptr.base, strtok_r_~ptrptr.offset := strtok_r_#in~ptrptr.base, strtok_r_#in~ptrptr.offset;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := 0, 0; 10090#L532 assume !(strtok_r_~s.base == 0 && strtok_r_~s.offset == 0); 10088#L532-2 strspn_#in~s.base, strspn_#in~s.offset, strspn_#in~accept.base, strspn_#in~accept.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strspn_#res;havoc strspn_#t~post3.base, strspn_#t~post3.offset, strspn_#t~mem6, strspn_#t~mem4, strspn_#t~mem5, strspn_#t~short7, strspn_#t~mem8, strspn_#t~post9, strspn_#t~post2.base, strspn_#t~post2.offset, strspn_#t~mem10, strspn_~s.base, strspn_~s.offset, strspn_~accept.base, strspn_~accept.offset, strspn_~l~0, strspn_~a~0.base, strspn_~a~0.offset;strspn_~s.base, strspn_~s.offset := strspn_#in~s.base, strspn_#in~s.offset;strspn_~accept.base, strspn_~accept.offset := strspn_#in~accept.base, strspn_#in~accept.offset;strspn_~l~0 := 0;havoc strspn_~a~0.base, strspn_~a~0.offset; 10070#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 10071#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 10064#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 10065#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 10122#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 10092#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 10082#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 10079#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 10072#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 10073#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 10118#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 10117#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 10116#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 10115#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 10114#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 10113#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 10112#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 10099#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 10108#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 10107#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 10106#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 10105#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 10103#L512 assume !(0 == strspn_#t~mem8);havoc strspn_#t~mem8;strspn_#t~post9 := strspn_~l~0;strspn_~l~0 := 1 + strspn_#t~post9;havoc strspn_#t~post9; 10101#L510-3 strspn_#t~post2.base, strspn_#t~post2.offset := strspn_~s.base, strspn_~s.offset;strspn_~s.base, strspn_~s.offset := strspn_#t~post2.base, 1 + strspn_#t~post2.offset;havoc strspn_#t~post2.base, strspn_#t~post2.offset; 10098#L510-4 call strspn_#t~mem10 := read~int(strspn_~s.base, strspn_~s.offset, 1); 10095#L510-1 assume !!(0 != strspn_#t~mem10);havoc strspn_#t~mem10;strspn_~a~0.base, strspn_~a~0.offset := strspn_~accept.base, strspn_~accept.offset; 10062#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 10063#L511-1 assume strspn_#t~short7;call strspn_#t~mem4 := read~int(strspn_~s.base, strspn_~s.offset, 1);call strspn_#t~mem5 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := strspn_#t~mem4 != strspn_#t~mem5; 10104#L511-3 assume !!strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 10102#L511-5 strspn_#t~post3.base, strspn_#t~post3.offset := strspn_~a~0.base, strspn_~a~0.offset;strspn_~a~0.base, strspn_~a~0.offset := strspn_#t~post3.base, 1 + strspn_#t~post3.offset;havoc strspn_#t~post3.base, strspn_#t~post3.offset; 10100#L511-6 call strspn_#t~mem6 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1);strspn_#t~short7 := 0 != strspn_#t~mem6; 10097#L511-1 assume !strspn_#t~short7; 10093#L511-3 assume !strspn_#t~short7;havoc strspn_#t~mem6;havoc strspn_#t~mem4;havoc strspn_#t~mem5;havoc strspn_#t~short7; 10091#L511-7 call strspn_#t~mem8 := read~int(strspn_~a~0.base, strspn_~a~0.offset, 1); 10080#L512 assume 0 == strspn_#t~mem8;havoc strspn_#t~mem8; 10081#L510-5 strspn_#res := strspn_~l~0; 10085#L517 strtok_r_#t~ret19 := strspn_#res;strtok_r_~s.base, strtok_r_~s.offset := strtok_r_~s.base, strtok_r_~s.offset + strtok_r_#t~ret19;havoc strtok_r_#t~ret19;call strtok_r_#t~mem20 := read~int(strtok_r_~s.base, strtok_r_~s.offset, 1); 10086#L534 assume 0 != strtok_r_#t~mem20;havoc strtok_r_#t~mem20;strtok_r_~tmp~0.base, strtok_r_~tmp~0.offset := strtok_r_~s.base, strtok_r_~s.offset;strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := strtok_r_~s.base, strtok_r_~s.offset, strtok_r_~delim.base, strtok_r_~delim.offset;havoc strcspn_#res;havoc strcspn_#t~mem13, strcspn_#t~mem14, strcspn_#t~pre12, strcspn_#t~mem15, strcspn_#t~pre16, strcspn_#t~pre11.base, strcspn_#t~pre11.offset, strcspn_#t~mem17, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~1, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~1 := 0;havoc strcspn_~i~0; 10057#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 10058#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 10128#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 10075#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 10055#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 10056#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 10096#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 10120#L524-1 assume !(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15; 10089#L524-5 strcspn_#t~pre16 := 1 + strcspn_~l~1;strcspn_~l~1 := 1 + strcspn_~l~1;havoc strcspn_#t~pre16; 10076#L523-3 strcspn_#t~pre11.base, strcspn_#t~pre11.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre11.base, strcspn_#t~pre11.offset; 10059#L523-4 call strcspn_#t~mem17 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 10061#L523-1 assume !!(0 != strcspn_#t~mem17);havoc strcspn_#t~mem17;strcspn_~i~0 := 0; 10077#L524-4 [2021-10-28 23:02:35,058 INFO L793 eck$LassoCheckResult]: Loop: 10077#L524-4 call strcspn_#t~mem15 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 10074#L524-1 assume !!(0 != strcspn_#t~mem15);havoc strcspn_#t~mem15;call strcspn_#t~mem13 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem14 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 10053#L525 assume !(strcspn_#t~mem13 == strcspn_#t~mem14);havoc strcspn_#t~mem13;havoc strcspn_#t~mem14; 10054#L524-3 strcspn_#t~pre12 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre12; 10077#L524-4 [2021-10-28 23:02:35,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:35,058 INFO L85 PathProgramCache]: Analyzing trace with hash -317575848, now seen corresponding path program 5 times [2021-10-28 23:02:35,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:02:35,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150282570] [2021-10-28 23:02:35,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:35,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:02:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:35,122 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:02:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:35,170 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:02:35,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:35,171 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 12 times [2021-10-28 23:02:35,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:02:35,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711433117] [2021-10-28 23:02:35,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:35,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:02:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:35,185 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:02:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:35,188 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:02:35,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:35,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1825539873, now seen corresponding path program 6 times [2021-10-28 23:02:35,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:02:35,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259532190] [2021-10-28 23:02:35,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:35,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:02:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:35,220 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:02:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:35,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:02:41,014 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:02:41,014 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:02:41,014 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:02:41,015 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:02:41,015 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:02:41,015 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:41,015 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:02:41,015 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:02:41,015 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration20_Lasso [2021-10-28 23:02:41,015 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:02:41,015 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:02:41,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:41,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:41,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:41,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:41,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:41,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:42,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:44,584 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:02:44,585 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:02:44,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:44,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:44,592 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:44,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:44,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2021-10-28 23:02:44,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:44,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:44,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:44,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:44,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:44,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:44,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:44,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:44,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Ended with exit code 0 [2021-10-28 23:02:44,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:44,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:44,630 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:44,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2021-10-28 23:02:44,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:44,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:44,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:44,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:44,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:44,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:44,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:44,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:44,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:44,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Ended with exit code 0 [2021-10-28 23:02:44,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:44,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:44,663 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:44,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2021-10-28 23:02:44,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:44,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:44,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:44,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:44,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:44,673 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:44,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:44,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:44,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:44,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:44,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:44,699 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:44,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2021-10-28 23:02:44,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:44,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:44,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:44,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:44,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:44,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:44,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:44,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:44,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:44,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Ended with exit code 0 [2021-10-28 23:02:44,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:44,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:44,733 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:44,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2021-10-28 23:02:44,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:44,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:44,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:44,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:44,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:44,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:44,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:44,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:44,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:44,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Ended with exit code 0 [2021-10-28 23:02:44,768 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:44,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:44,769 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:44,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2021-10-28 23:02:44,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:44,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:44,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:44,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:44,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:44,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:44,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:44,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:44,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:44,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Ended with exit code 0 [2021-10-28 23:02:44,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:44,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:44,811 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:44,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Waiting until timeout for monitored process [2021-10-28 23:02:44,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:44,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:44,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:44,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:44,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:44,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:44,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:44,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:44,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Ended with exit code 0 [2021-10-28 23:02:44,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:44,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:44,856 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:44,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Waiting until timeout for monitored process [2021-10-28 23:02:44,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:44,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:44,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:44,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:44,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:44,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:44,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:44,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:44,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Ended with exit code 0 [2021-10-28 23:02:44,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:44,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:44,893 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:44,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Waiting until timeout for monitored process [2021-10-28 23:02:44,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:44,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:44,904 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2021-10-28 23:02:44,904 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-28 23:02:44,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:44,998 INFO L401 nArgumentSynthesizer]: We have 136 Motzkin's Theorem applications. [2021-10-28 23:02:44,998 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-10-28 23:02:45,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:45,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Ended with exit code 0 [2021-10-28 23:02:45,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:45,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:45,217 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:45,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Waiting until timeout for monitored process [2021-10-28 23:02:45,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:45,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:45,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:45,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:45,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:45,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:45,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:45,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:45,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:45,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:45,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:45,270 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:45,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Waiting until timeout for monitored process [2021-10-28 23:02:45,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:45,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:45,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:45,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:45,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:45,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:45,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:45,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:45,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Ended with exit code 0 [2021-10-28 23:02:45,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:45,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:45,310 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:45,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Waiting until timeout for monitored process [2021-10-28 23:02:45,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:45,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:45,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:45,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:45,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:45,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:45,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:45,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:45,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Ended with exit code 0 [2021-10-28 23:02:45,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:45,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:45,350 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:45,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Waiting until timeout for monitored process [2021-10-28 23:02:45,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:45,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:45,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:45,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:45,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:45,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:45,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:45,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:45,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:45,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:45,387 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:45,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:45,387 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:45,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Waiting until timeout for monitored process [2021-10-28 23:02:45,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:45,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:45,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:45,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:45,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:45,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:45,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:45,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:45,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:45,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:45,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:45,427 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:45,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Waiting until timeout for monitored process [2021-10-28 23:02:45,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:45,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:45,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:45,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:45,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:45,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:45,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:45,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:45,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Ended with exit code 0 [2021-10-28 23:02:45,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:45,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:45,471 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:45,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Waiting until timeout for monitored process [2021-10-28 23:02:45,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:45,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:45,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:45,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:45,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:45,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:45,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:45,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:45,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:45,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:45,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:45,515 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:45,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Waiting until timeout for monitored process [2021-10-28 23:02:45,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:45,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:45,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:45,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:45,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:45,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:45,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:45,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:45,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Ended with exit code 0 [2021-10-28 23:02:45,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:45,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:45,557 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:45,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Waiting until timeout for monitored process [2021-10-28 23:02:45,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:45,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:45,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:45,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:45,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:45,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:02:45,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:02:45,639 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:02:45,733 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2021-10-28 23:02:45,733 INFO L444 ModelExtractionUtils]: 56 out of 85 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-10-28 23:02:45,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:45,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:45,738 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:45,742 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:02:45,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Waiting until timeout for monitored process [2021-10-28 23:02:45,774 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:02:45,774 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:02:45,774 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, ULTIMATE.start_strcspn_~reject.offset, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_8) = -1*ULTIMATE.start_strcspn_~i~0 - 1*ULTIMATE.start_strcspn_~reject.offset + 1*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_8 Supporting invariants [] [2021-10-28 23:02:45,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:46,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:46,540 INFO L297 tatePredicateManager]: 95 out of 95 supporting invariants were superfluous and have been removed [2021-10-28 23:02:46,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:46,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:02:46,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:46,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:02:46,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:46,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:02:46,786 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:02:46,786 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 85 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:46,799 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 85 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 90 states and 101 transitions. Complement of second has 5 states. [2021-10-28 23:02:46,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:02:46,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:46,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2021-10-28 23:02:46,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 56 letters. Loop has 4 letters. [2021-10-28 23:02:46,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:46,800 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:02:46,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:46,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:02:46,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:47,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:02:47,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:47,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:02:47,041 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:02:47,041 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 85 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:47,056 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 85 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 90 states and 101 transitions. Complement of second has 5 states. [2021-10-28 23:02:47,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:02:47,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:47,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2021-10-28 23:02:47,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 56 letters. Loop has 4 letters. [2021-10-28 23:02:47,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:47,061 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:02:47,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:47,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:02:47,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:47,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:02:47,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:47,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:02:47,297 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:02:47,297 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 76 states and 85 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:47,309 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 76 states and 85 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 93 states and 106 transitions. Complement of second has 4 states. [2021-10-28 23:02:47,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:02:47,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:47,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2021-10-28 23:02:47,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 56 letters. Loop has 4 letters. [2021-10-28 23:02:47,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:47,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 60 letters. Loop has 4 letters. [2021-10-28 23:02:47,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:47,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 39 transitions. Stem has 56 letters. Loop has 8 letters. [2021-10-28 23:02:47,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:47,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 106 transitions. [2021-10-28 23:02:47,311 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:02:47,312 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 0 states and 0 transitions. [2021-10-28 23:02:47,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:02:47,312 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:02:47,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:02:47,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:02:47,312 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:02:47,312 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:02:47,312 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:02:47,313 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-10-28 23:02:47,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:02:47,313 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:02:47,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:02:47,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:02:47 BoogieIcfgContainer [2021-10-28 23:02:47,319 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:02:47,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:02:47,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:02:47,320 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:02:47,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:58:43" (3/4) ... [2021-10-28 23:02:47,324 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:02:47,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:02:47,325 INFO L168 Benchmark]: Toolchain (without parser) took 244827.05 ms. Allocated memory was 79.7 MB in the beginning and 505.4 MB in the end (delta: 425.7 MB). Free memory was 42.4 MB in the beginning and 116.0 MB in the end (delta: -73.6 MB). Peak memory consumption was 353.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:47,325 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 59.9 MB in the beginning and 59.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:02:47,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.06 ms. Allocated memory is still 98.6 MB. Free memory was 78.0 MB in the beginning and 68.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:47,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.27 ms. Allocated memory is still 98.6 MB. Free memory was 68.5 MB in the beginning and 66.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:47,326 INFO L168 Benchmark]: Boogie Preprocessor took 79.37 ms. Allocated memory is still 98.6 MB. Free memory was 66.4 MB in the beginning and 64.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:47,327 INFO L168 Benchmark]: RCFGBuilder took 613.74 ms. Allocated memory is still 98.6 MB. Free memory was 64.6 MB in the beginning and 50.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:47,327 INFO L168 Benchmark]: BuchiAutomizer took 243428.75 ms. Allocated memory was 98.6 MB in the beginning and 505.4 MB in the end (delta: 406.8 MB). Free memory was 50.0 MB in the beginning and 116.0 MB in the end (delta: -66.1 MB). Peak memory consumption was 342.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:47,328 INFO L168 Benchmark]: Witness Printer took 4.37 ms. Allocated memory is still 505.4 MB. Free memory is still 116.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:02:47,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 59.9 MB in the beginning and 59.8 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 594.06 ms. Allocated memory is still 98.6 MB. Free memory was 78.0 MB in the beginning and 68.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.27 ms. Allocated memory is still 98.6 MB. Free memory was 68.5 MB in the beginning and 66.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.37 ms. Allocated memory is still 98.6 MB. Free memory was 66.4 MB in the beginning and 64.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 613.74 ms. Allocated memory is still 98.6 MB. Free memory was 64.6 MB in the beginning and 50.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 243428.75 ms. Allocated memory was 98.6 MB in the beginning and 505.4 MB in the end (delta: 406.8 MB). Free memory was 50.0 MB in the beginning and 116.0 MB in the end (delta: -66.1 MB). Peak memory consumption was 342.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.37 ms. Allocated memory is still 505.4 MB. Free memory is still 116.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 20 terminating modules (9 trivial, 4 deterministic, 7 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. One deterministic module has affine ranking function -1 * a + unknown-#length-unknown[__builtin_alloca (delim_len)] and consists of 5 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 3 locations. One deterministic module has affine ranking function -1 * i + -1 * reject + unknown-#length-unknown[reject] and consists of 3 locations. One nondeterministic module has affine ranking function -1 * a + unknown-#length-unknown[__builtin_alloca (delim_len)] and consists of 5 locations. One nondeterministic module has affine ranking function -2 * i + 3 * unknown-#length-unknown[a] and consists of 13 locations. One nondeterministic module has affine ranking function -1 * i + unknown-#length-unknown[__builtin_alloca (delim_len)] and consists of 12 locations. One nondeterministic module has affine ranking function -2 * i + 5 * unknown-#length-unknown[reject] and consists of 13 locations. One nondeterministic module has affine ranking function -2 * i + 5 * unknown-#length-unknown[reject] and consists of 14 locations. One nondeterministic module has affine ranking function -1 * i + unknown-#length-unknown[reject] + -1 * accept and consists of 10 locations. One nondeterministic module has affine ranking function -1 * i + -1 * reject + unknown-#length-unknown[reject] and consists of 3 locations. 9 modules have a trivial ranking function, the largest among these consists of 25 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 243.3s and 21 iterations. TraceHistogramMax:6. Analysis of lassos took 155.9s. Construction of modules took 2.5s. Büchi inclusion checks took 84.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 17. Automata minimization 0.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 391 StatesRemovedByMinimization, 15 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 110 states and ocurred in iteration 18. Nontrivial modules had stage [4, 0, 7, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 927 SDtfs, 3611 SDslu, 2767 SDs, 0 SdLazy, 2981 SolverSat, 540 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU7 SILI1 SILT0 lasso11 LassoPreprocessingBenchmarks: Lassos: inital399 mio100 ax100 hnf99 lsp96 ukn76 mio100 lsp40 div100 bol100 ite100 ukn100 eq197 hnf88 smp96 dnf776 smp77 tf100 neg94 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 2278ms VariablesStem: 8 VariablesLoop: 6 DisjunctsStem: 108 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 904 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:02:47,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (129)] Ended with exit code 0 [2021-10-28 23:02:47,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (107)] Ended with exit code 0 [2021-10-28 23:02:47,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:47,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fdfa6a-936d-4b44-b7d7-c8aaf63e3097/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...