./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig7-alloca.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_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/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_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig7-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/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_d4fd4cf9-279e-44d5-acc5-6427c32f8261/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 1ec032e1ec4bd80c840fa33597a9e3480a42249e15724384edee8bf4ebbe67a9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:04:26,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:04:26,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:04:26,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:04:26,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:04:26,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:04:26,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:04:26,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:04:26,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:04:26,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:04:26,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:04:26,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:04:26,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:04:26,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:04:26,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:04:26,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:04:26,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:04:26,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:04:26,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:04:26,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:04:26,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:04:26,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:04:26,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:04:26,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:04:26,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:04:26,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:04:26,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:04:26,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:04:26,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:04:26,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:04:26,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:04:26,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:04:26,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:04:26,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:04:26,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:04:26,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:04:26,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:04:26,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:04:26,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:04:26,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:04:26,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:04:26,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:04:26,288 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:04:26,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:04:26,289 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:04:26,289 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:04:26,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:04:26,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:04:26,291 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:04:26,291 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:04:26,292 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:04:26,292 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:04:26,292 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:04:26,292 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:04:26,292 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:04:26,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:04:26,293 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:04:26,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:04:26,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:04:26,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:04:26,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:04:26,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:04:26,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:04:26,295 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:04:26,295 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:04:26,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:04:26,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:04:26,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:04:26,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:04:26,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:04:26,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:04:26,301 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:04:26,301 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_d4fd4cf9-279e-44d5-acc5-6427c32f8261/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ec032e1ec4bd80c840fa33597a9e3480a42249e15724384edee8bf4ebbe67a9 [2021-10-28 23:04:26,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:04:26,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:04:26,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:04:26,639 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:04:26,642 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:04:26,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig7-alloca.i [2021-10-28 23:04:26,737 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/data/554f67769/340709c09d064bdfb7848131871bf733/FLAGffa3c00ee [2021-10-28 23:04:27,296 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:04:27,297 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig7-alloca.i [2021-10-28 23:04:27,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/data/554f67769/340709c09d064bdfb7848131871bf733/FLAGffa3c00ee [2021-10-28 23:04:27,552 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/data/554f67769/340709c09d064bdfb7848131871bf733 [2021-10-28 23:04:27,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:04:27,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:04:27,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:04:27,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:04:27,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:04:27,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:04:27" (1/1) ... [2021-10-28 23:04:27,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb5bf3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:27, skipping insertion in model container [2021-10-28 23:04:27,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:04:27" (1/1) ... [2021-10-28 23:04:27,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:04:27,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:04:27,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:04:27,935 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:04:28,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:04:28,026 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:04:28,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:28 WrapperNode [2021-10-28 23:04:28,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:04:28,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:04:28,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:04:28,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:04:28,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:28" (1/1) ... [2021-10-28 23:04:28,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:28" (1/1) ... [2021-10-28 23:04:28,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:04:28,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:04:28,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:04:28,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:04:28,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:28" (1/1) ... [2021-10-28 23:04:28,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:28" (1/1) ... [2021-10-28 23:04:28,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:28" (1/1) ... [2021-10-28 23:04:28,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:28" (1/1) ... [2021-10-28 23:04:28,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:28" (1/1) ... [2021-10-28 23:04:28,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:28" (1/1) ... [2021-10-28 23:04:28,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:28" (1/1) ... [2021-10-28 23:04:28,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:04:28,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:04:28,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:04:28,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:04:28,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:28" (1/1) ... [2021-10-28 23:04:28,106 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:28,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:28,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:28,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:04:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:04:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:04:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:04:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:04:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:04:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:04:28,503 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:04:28,503 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 23:04:28,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:04:28 BoogieIcfgContainer [2021-10-28 23:04:28,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:04:28,506 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:04:28,506 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:04:28,510 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:04:28,511 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:04:28,511 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:04:27" (1/3) ... [2021-10-28 23:04:28,512 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22b5810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:04:28, skipping insertion in model container [2021-10-28 23:04:28,512 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:04:28,513 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:28" (2/3) ... [2021-10-28 23:04:28,513 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22b5810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:04:28, skipping insertion in model container [2021-10-28 23:04:28,513 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:04:28,513 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:04:28" (3/3) ... [2021-10-28 23:04:28,515 INFO L389 chiAutomizerObserver]: Analyzing ICFG NoriSharma-2013FSE-Fig7-alloca.i [2021-10-28 23:04:28,561 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:04:28,561 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:04:28,561 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:04:28,562 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:04:28,562 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:04:28,562 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:04:28,562 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:04:28,562 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:04:28,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 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 23:04:28,611 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:04:28,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:04:28,612 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:04:28,617 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:04:28,618 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:04:28,618 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:04:28,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 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 23:04:28,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:04:28,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:04:28,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:04:28,620 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:04:28,620 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:04:28,627 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~mem9, main_#t~mem10, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~short15, main_~a~0.base, main_~a~0.offset, main_~i~0.base, main_~i~0.offset, main_~b~0.base, main_~b~0.offset, main_~j~0.base, main_~j~0.offset, main_~c~0.base, main_~c~0.offset, main_~M~0.base, main_~M~0.offset, main_~N~0.base, main_~N~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~a~0.base, main_~a~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~i~0.base, main_~i~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~b~0.base, main_~b~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~j~0.base, main_~j~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~c~0.base, main_~c~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(4);main_~M~0.base, main_~M~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4);main_~N~0.base, main_~N~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~mem9 := read~int(main_~i~0.base, main_~i~0.offset, 4);call write~int(main_#t~mem9, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~j~0.base, main_~j~0.offset, 4);call write~int(main_#t~mem10, main_~b~0.base, main_~b~0.offset, 4);havoc main_#t~mem10;call write~int(0, main_~c~0.base, main_~c~0.offset, 4); 5#L557-5true [2021-10-28 23:04:28,627 INFO L793 eck$LassoCheckResult]: Loop: 5#L557-5true call main_#t~mem11 := read~int(main_~i~0.base, main_~i~0.offset, 4);call main_#t~mem12 := read~int(main_~M~0.base, main_~M~0.offset, 4);main_#t~short15 := main_#t~mem11 < main_#t~mem12; 10#L557-1true assume main_#t~short15; 9#L557-3true assume !!main_#t~short15;havoc main_#t~mem11;havoc main_#t~mem12;havoc main_#t~mem13;havoc main_#t~mem14;havoc main_#t~short15;call main_#t~mem16 := read~int(main_~i~0.base, main_~i~0.offset, 4);call write~int(1 + main_#t~mem16, main_~i~0.base, main_~i~0.offset, 4);havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~j~0.base, main_~j~0.offset, 4);call write~int(1 + main_#t~mem17, main_~j~0.base, main_~j~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~c~0.base, main_~c~0.offset, 4);call write~int(1 + main_#t~mem18, main_~c~0.base, main_~c~0.offset, 4);havoc main_#t~mem18; 5#L557-5true [2021-10-28 23:04:28,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:04:28,652 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 23:04:28,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:04:28,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621507794] [2021-10-28 23:04:28,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:04:28,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:04:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:04:28,942 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:04:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:04:29,077 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:04:29,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:04:29,082 INFO L85 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2021-10-28 23:04:29,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:04:29,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442601037] [2021-10-28 23:04:29,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:04:29,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:04:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:04:29,131 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:04:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:04:29,157 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:04:29,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:04:29,173 INFO L85 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2021-10-28 23:04:29,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:04:29,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514013147] [2021-10-28 23:04:29,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:04:29,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:04:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:04:29,289 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:04:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:04:29,381 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:04:32,349 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:04:32,350 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:04:32,350 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:04:32,350 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:04:32,350 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:04:32,350 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:32,351 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:04:32,351 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:04:32,351 INFO L133 ssoRankerPreferences]: Filename of dumped script: NoriSharma-2013FSE-Fig7-alloca.i_Iteration1_Lasso [2021-10-28 23:04:32,351 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:04:32,351 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:04:32,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:32,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:32,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:32,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:32,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:32,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:32,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:32,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:32,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:32,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:32,411 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 23:04:32,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:32,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:32,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:32,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:33,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:33,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:33,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:34,610 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:04:34,614 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:04:34,616 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:34,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:34,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:34,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:34,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:34,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:34,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:34,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:34,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:34,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:34,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:34,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:04:34,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:34,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 23:04:34,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:34,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:34,702 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:34,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:04:34,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:34,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:34,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:34,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:34,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:34,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:34,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:34,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:34,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:34,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-28 23:04:34,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:34,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:34,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:34,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:04:34,771 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 23:04:34,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:34,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:34,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:34,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:34,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:34,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:34,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:34,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:34,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:34,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:34,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:34,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:34,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:04:34,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:34,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:34,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:34,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:34,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:34,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:34,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:34,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:34,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:34,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:34,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:34,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:34,851 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:34,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:04:34,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:34,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:34,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:34,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:34,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:34,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:34,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:34,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:34,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:34,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:34,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:34,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:34,924 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:34,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:34,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:34,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:34,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:34,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:34,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:34,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:34,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:34,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:04:34,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:34,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-28 23:04:34,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:34,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:34,979 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:34,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:04:34,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:34,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:34,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:34,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:34,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:34,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:34,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:34,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:34,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:35,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:35,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:35,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:35,011 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:35,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:04:35,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:35,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:35,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:35,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:35,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:35,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:04:35,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:04:35,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:35,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:35,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:35,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:35,051 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:35,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:04:35,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:35,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:35,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:35,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:35,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:35,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:35,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:35,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:35,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:35,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:35,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:35,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:35,094 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:35,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:04:35,096 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 23:04:35,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:35,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:35,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:35,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:35,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:04:35,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:04:35,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:35,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:35,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:35,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:35,131 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:35,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:04:35,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:35,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:35,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:35,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:35,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:35,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:04:35,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:04:35,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:35,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:35,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:35,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:35,193 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:35,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:35,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:04:35,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:35,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:35,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:35,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:35,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:35,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:35,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:35,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:35,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:35,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:35,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:35,233 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:35,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:04:35,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:35,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:35,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:35,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:35,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:35,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:04:35,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:04:35,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:35,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-28 23:04:35,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:35,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:35,296 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:35,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:04:35,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:35,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:35,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:35,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:35,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:35,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:35,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:35,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:35,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:35,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-28 23:04:35,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:35,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:35,332 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:35,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:04:35,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:35,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:35,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:35,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:35,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:35,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:04:35,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:04:35,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:35,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-28 23:04:35,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:35,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:35,367 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:35,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:04:35,369 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 23:04:35,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:35,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:35,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:35,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:35,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:35,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:35,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:35,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:35,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-10-28 23:04:35,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:35,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:35,401 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:35,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:04:35,402 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 23:04:35,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:35,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:35,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:35,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:35,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:04:35,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:04:35,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:35,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-10-28 23:04:35,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:35,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:35,441 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:35,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:04:35,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:35,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:35,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:35,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:35,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:35,452 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:04:35,452 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:04:35,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:35,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:35,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:35,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:35,516 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:35,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:35,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:04:35,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:35,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:35,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:35,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:35,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:35,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:35,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:35,560 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:04:35,581 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:04:35,581 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:04:35,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:35,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:35,584 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:35,622 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:04:35,622 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:04:35,622 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:04:35,623 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~M~0.base) ULTIMATE.start_main_~M~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~M~0.base) ULTIMATE.start_main_~M~0.offset)_1 - 1*v_rep(select (select #memory_int ULTIMATE.start_main_~i~0.base) ULTIMATE.start_main_~i~0.offset)_1 Supporting invariants [] [2021-10-28 23:04:35,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:04:35,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:36,262 INFO L297 tatePredicateManager]: 95 out of 97 supporting invariants were superfluous and have been removed [2021-10-28 23:04:36,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:04:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:04:36,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 23:04:36,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:04:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:04:36,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 23:04:36,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:04:36,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:04:36,610 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 23:04:36,611 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:04:36,704 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 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). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 39 transitions. Complement of second has 9 states. [2021-10-28 23:04:36,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 23:04:36,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:04:36,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2021-10-28 23:04:36,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 2 letters. Loop has 3 letters. [2021-10-28 23:04:36,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:04:36,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-28 23:04:36,712 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:04:36,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 2 letters. Loop has 6 letters. [2021-10-28 23:04:36,712 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:04:36,713 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 39 transitions. [2021-10-28 23:04:36,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:04:36,719 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 12 states and 15 transitions. [2021-10-28 23:04:36,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-10-28 23:04:36,720 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-28 23:04:36,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2021-10-28 23:04:36,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:04:36,721 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-28 23:04:36,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2021-10-28 23:04:36,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-10-28 23:04:36,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 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 23:04:36,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-10-28 23:04:36,744 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-10-28 23:04:36,744 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-10-28 23:04:36,744 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:04:36,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2021-10-28 23:04:36,745 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:04:36,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:04:36,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:04:36,745 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 23:04:36,745 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:04:36,746 INFO L791 eck$LassoCheckResult]: Stem: 481#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 482#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~mem9, main_#t~mem10, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem14, main_#t~short15, main_~a~0.base, main_~a~0.offset, main_~i~0.base, main_~i~0.offset, main_~b~0.base, main_~b~0.offset, main_~j~0.base, main_~j~0.offset, main_~c~0.base, main_~c~0.offset, main_~M~0.base, main_~M~0.offset, main_~N~0.base, main_~N~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~a~0.base, main_~a~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~i~0.base, main_~i~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~b~0.base, main_~b~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~j~0.base, main_~j~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~c~0.base, main_~c~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(4);main_~M~0.base, main_~M~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4);main_~N~0.base, main_~N~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~mem9 := read~int(main_~i~0.base, main_~i~0.offset, 4);call write~int(main_#t~mem9, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~j~0.base, main_~j~0.offset, 4);call write~int(main_#t~mem10, main_~b~0.base, main_~b~0.offset, 4);havoc main_#t~mem10;call write~int(0, main_~c~0.base, main_~c~0.offset, 4); 487#L557-5 call main_#t~mem11 := read~int(main_~i~0.base, main_~i~0.offset, 4);call main_#t~mem12 := read~int(main_~M~0.base, main_~M~0.offset, 4);main_#t~short15 := main_#t~mem11 < main_#t~mem12; 484#L557-1 [2021-10-28 23:04:36,746 INFO L793 eck$LassoCheckResult]: Loop: 484#L557-1 assume !main_#t~short15;call main_#t~mem13 := read~int(main_~j~0.base, main_~j~0.offset, 4);call main_#t~mem14 := read~int(main_~N~0.base, main_~N~0.offset, 4);main_#t~short15 := main_#t~mem13 < main_#t~mem14; 488#L557-3 assume !!main_#t~short15;havoc main_#t~mem11;havoc main_#t~mem12;havoc main_#t~mem13;havoc main_#t~mem14;havoc main_#t~short15;call main_#t~mem16 := read~int(main_~i~0.base, main_~i~0.offset, 4);call write~int(1 + main_#t~mem16, main_~i~0.base, main_~i~0.offset, 4);havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~j~0.base, main_~j~0.offset, 4);call write~int(1 + main_#t~mem17, main_~j~0.base, main_~j~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~c~0.base, main_~c~0.offset, 4);call write~int(1 + main_#t~mem18, main_~c~0.base, main_~c~0.offset, 4);havoc main_#t~mem18; 483#L557-5 call main_#t~mem11 := read~int(main_~i~0.base, main_~i~0.offset, 4);call main_#t~mem12 := read~int(main_~M~0.base, main_~M~0.offset, 4);main_#t~short15 := main_#t~mem11 < main_#t~mem12; 484#L557-1 [2021-10-28 23:04:36,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:04:36,746 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-28 23:04:36,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:04:36,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125941283] [2021-10-28 23:04:36,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:04:36,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:04:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:04:36,777 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:04:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:04:36,819 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:04:36,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:04:36,820 INFO L85 PathProgramCache]: Analyzing trace with hash 41888, now seen corresponding path program 1 times [2021-10-28 23:04:36,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:04:36,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219867316] [2021-10-28 23:04:36,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:04:36,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:04:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:04:36,831 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:04:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:04:36,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:04:36,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:04:36,843 INFO L85 PathProgramCache]: Analyzing trace with hash 889571357, now seen corresponding path program 1 times [2021-10-28 23:04:36,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:04:36,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020028891] [2021-10-28 23:04:36,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:04:36,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:04:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:04:36,901 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:04:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:04:37,017 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:04:40,775 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:04:40,775 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:04:40,775 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:04:40,775 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:04:40,776 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:04:40,776 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:40,776 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:04:40,776 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:04:40,776 INFO L133 ssoRankerPreferences]: Filename of dumped script: NoriSharma-2013FSE-Fig7-alloca.i_Iteration2_Lasso [2021-10-28 23:04:40,776 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:04:40,776 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:04:40,782 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 23:04:40,784 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 23:04:40,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:40,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:40,791 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 23:04:40,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:40,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:40,799 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 23:04:44,063 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 23:04:44,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:44,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:44,076 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 23:04:44,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:04:44,081 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 23:04:44,083 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 23:04:44,086 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 23:04:45,094 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:04:45,095 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:04:45,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:45,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:45,099 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:45,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:04:45,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:45,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:45,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:45,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:45,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:45,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:45,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:45,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:45,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:45,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:45,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:45,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:45,137 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:45,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:04:45,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:45,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:45,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:45,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:45,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:45,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:45,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:45,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:45,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:45,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:45,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:45,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:45,172 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:45,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:04:45,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:45,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:45,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:45,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:45,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:45,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:45,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:45,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:45,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:45,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:45,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:45,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:45,206 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:45,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 23:04:45,208 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 23:04:45,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:45,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:45,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:45,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:45,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:04:45,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:04:45,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:45,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-28 23:04:45,238 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:45,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:45,239 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:45,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 23:04:45,240 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 23:04:45,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:45,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:45,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:45,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:45,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:45,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:45,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:45,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:45,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:45,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:45,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:45,269 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:45,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 23:04:45,271 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 23:04:45,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:45,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:45,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:45,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:45,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:04:45,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:04:45,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:45,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 23:04:45,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:45,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:45,343 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:45,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:45,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:45,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:45,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:45,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:45,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:04:45,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:04:45,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 23:04:45,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:04:45,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:45,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:45,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:45,421 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:45,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:04:45,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:04:45,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:04:45,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:04:45,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:04:45,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:04:45,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 23:04:45,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:04:45,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:04:45,437 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:04:45,466 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-28 23:04:45,466 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 23:04:45,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:04:45,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:45,467 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:04:45,475 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:04:45,476 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:04:45,476 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:04:45,476 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~j~0.base) ULTIMATE.start_main_~j~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_main_~N~0.base) ULTIMATE.start_main_~N~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~j~0.base) ULTIMATE.start_main_~j~0.offset)_2 + 1*v_rep(select (select #memory_int ULTIMATE.start_main_~N~0.base) ULTIMATE.start_main_~N~0.offset)_1 Supporting invariants [] [2021-10-28 23:04:45,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 23:04:45,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:45,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:46,273 INFO L297 tatePredicateManager]: 115 out of 117 supporting invariants were superfluous and have been removed [2021-10-28 23:04:46,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:04:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:04:46,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-28 23:04:46,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:04:46,381 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-28 23:04:46,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 54 [2021-10-28 23:04:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:04:46,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 23:04:46,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:04:47,063 INFO L354 Elim1Store]: treesize reduction 613, result has 28.6 percent of original size [2021-10-28 23:04:47,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 10 new quantified variables, introduced 34 case distinctions, treesize of input 1911 treesize of output 626 [2021-10-28 23:04:47,236 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-10-28 23:04:47,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 80 [2021-10-28 23:04:47,773 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 23:04:47,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 41 [2021-10-28 23:04:48,210 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-10-28 23:04:48,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 41 [2021-10-28 23:04:48,384 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 23:04:48,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 41 [2021-10-28 23:04:48,617 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:04:48,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 44 [2021-10-28 23:04:48,860 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 23:04:48,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 39 [2021-10-28 23:04:48,975 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-10-28 23:04:48,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 39 [2021-10-28 23:04:49,036 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-28 23:04:49,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 39 [2021-10-28 23:04:49,555 INFO L354 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2021-10-28 23:04:49,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 253 treesize of output 237 [2021-10-28 23:04:54,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 53 [2021-10-28 23:04:54,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-10-28 23:04:54,640 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-28 23:04:54,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 26 [2021-10-28 23:04:54,998 INFO L354 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2021-10-28 23:04:54,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 33 [2021-10-28 23:04:55,064 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 23:04:55,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 40 [2021-10-28 23:04:55,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 29 [2021-10-28 23:04:55,302 INFO L354 Elim1Store]: treesize reduction 37, result has 24.5 percent of original size [2021-10-28 23:04:55,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 95 treesize of output 71 [2021-10-28 23:04:55,349 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-28 23:04:55,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 43 [2021-10-28 23:04:55,390 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-28 23:04:55,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 34 [2021-10-28 23:04:55,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:04:55,509 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-28 23:04:55,510 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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 23:04:55,561 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) Result 22 states and 30 transitions. Complement of second has 7 states. [2021-10-28 23:04:55,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:04:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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 23:04:55,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-28 23:04:55,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 3 letters. Loop has 3 letters. [2021-10-28 23:04:55,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:04:55,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-28 23:04:55,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:04:55,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 3 letters. Loop has 6 letters. [2021-10-28 23:04:55,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:04:55,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2021-10-28 23:04:55,566 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:04:55,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2021-10-28 23:04:55,568 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:04:55,568 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:04:55,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:04:55,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:04:55,568 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:04:55,568 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:04:55,569 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:04:55,569 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:04:55,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:04:55,569 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:04:55,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:04:55,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:04:55 BoogieIcfgContainer [2021-10-28 23:04:55,577 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:04:55,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:04:55,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:04:55,578 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:04:55,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:04:28" (3/4) ... [2021-10-28 23:04:55,581 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:04:55,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:04:55,583 INFO L168 Benchmark]: Toolchain (without parser) took 28023.91 ms. Allocated memory was 96.5 MB in the beginning and 180.4 MB in the end (delta: 83.9 MB). Free memory was 62.5 MB in the beginning and 72.3 MB in the end (delta: -9.7 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:55,584 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 96.5 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:04:55,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.84 ms. Allocated memory is still 96.5 MB. Free memory was 62.3 MB in the beginning and 67.5 MB in the end (delta: -5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:55,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.70 ms. Allocated memory is still 96.5 MB. Free memory was 67.5 MB in the beginning and 65.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:55,585 INFO L168 Benchmark]: Boogie Preprocessor took 26.63 ms. Allocated memory is still 96.5 MB. Free memory was 65.9 MB in the beginning and 64.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:55,586 INFO L168 Benchmark]: RCFGBuilder took 411.37 ms. Allocated memory is still 96.5 MB. Free memory was 64.4 MB in the beginning and 52.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:55,586 INFO L168 Benchmark]: BuchiAutomizer took 27071.09 ms. Allocated memory was 96.5 MB in the beginning and 180.4 MB in the end (delta: 83.9 MB). Free memory was 52.1 MB in the beginning and 72.3 MB in the end (delta: -20.2 MB). Peak memory consumption was 65.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:55,586 INFO L168 Benchmark]: Witness Printer took 3.80 ms. Allocated memory is still 180.4 MB. Free memory is still 72.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:04:55,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 96.5 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 462.84 ms. Allocated memory is still 96.5 MB. Free memory was 62.3 MB in the beginning and 67.5 MB in the end (delta: -5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.70 ms. Allocated memory is still 96.5 MB. Free memory was 67.5 MB in the beginning and 65.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.63 ms. Allocated memory is still 96.5 MB. Free memory was 65.9 MB in the beginning and 64.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 411.37 ms. Allocated memory is still 96.5 MB. Free memory was 64.4 MB in the beginning and 52.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 27071.09 ms. Allocated memory was 96.5 MB in the beginning and 180.4 MB in the end (delta: 83.9 MB). Free memory was 52.1 MB in the beginning and 72.3 MB in the end (delta: -20.2 MB). Peak memory consumption was 65.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.80 ms. Allocated memory is still 180.4 MB. Free memory is still 72.3 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[M][M] + -1 * unknown-#memory_int-unknown[i][i] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[N][N] + -1 * unknown-#memory_int-unknown[j][j] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 27.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 17.1s. Construction of modules took 0.0s. Büchi inclusion checks took 9.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 13 SDslu, 13 SDs, 0 SdLazy, 24 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital683 mio100 ax102 hnf100 lsp96 ukn68 mio100 lsp28 div100 bol100 ite100 ukn100 eq193 hnf87 smp94 dnf107 smp93 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:04:55,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fd4cf9-279e-44d5-acc5-6427c32f8261/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...