./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15fe42cb945ebd9019cc38134c29264613097f232589ff55d01d33d66b19d85f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:15:47,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:15:47,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:15:47,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:15:47,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:15:47,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:15:47,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:15:47,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:15:47,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:15:47,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:15:47,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:15:47,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:15:47,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:15:47,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:15:47,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:15:47,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:15:47,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:15:47,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:15:47,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:15:47,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:15:47,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:15:47,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:15:47,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:15:47,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:15:47,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:15:47,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:15:47,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:15:47,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:15:47,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:15:47,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:15:47,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:15:47,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:15:47,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:15:47,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:15:47,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:15:47,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:15:47,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:15:47,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:15:47,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:15:47,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:15:47,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:15:47,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:15:47,397 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:15:47,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:15:47,400 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:15:47,400 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:15:47,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:15:47,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:15:47,403 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:15:47,403 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:15:47,403 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:15:47,404 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:15:47,405 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:15:47,405 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:15:47,406 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:15:47,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:15:47,406 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:15:47,407 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:15:47,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:15:47,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:15:47,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:15:47,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:15:47,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:15:47,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:15:47,409 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:15:47,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:15:47,410 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:15:47,410 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:15:47,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:15:47,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:15:47,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:15:47,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:15:47,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:15:47,414 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:15:47,415 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:15:47,416 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_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15fe42cb945ebd9019cc38134c29264613097f232589ff55d01d33d66b19d85f [2021-10-21 20:15:47,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:15:47,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:15:47,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:15:47,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:15:47,788 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:15:47,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i [2021-10-21 20:15:47,874 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/data/f29d50860/326545831fa24041b419704bf50a56fe/FLAGc7459e413 [2021-10-21 20:15:48,563 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:15:48,564 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i [2021-10-21 20:15:48,591 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/data/f29d50860/326545831fa24041b419704bf50a56fe/FLAGc7459e413 [2021-10-21 20:15:48,879 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/data/f29d50860/326545831fa24041b419704bf50a56fe [2021-10-21 20:15:48,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:15:48,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:15:48,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:15:48,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:15:48,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:15:48,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:15:48" (1/1) ... [2021-10-21 20:15:48,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4987f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:48, skipping insertion in model container [2021-10-21 20:15:48,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:15:48" (1/1) ... [2021-10-21 20:15:48,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:15:48,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:15:49,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:15:49,432 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:15:49,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:15:49,551 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:15:49,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:49 WrapperNode [2021-10-21 20:15:49,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:15:49,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:15:49,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:15:49,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:15:49,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:49" (1/1) ... [2021-10-21 20:15:49,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:49" (1/1) ... [2021-10-21 20:15:49,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:15:49,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:15:49,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:15:49,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:15:49,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:49" (1/1) ... [2021-10-21 20:15:49,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:49" (1/1) ... [2021-10-21 20:15:49,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:49" (1/1) ... [2021-10-21 20:15:49,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:49" (1/1) ... [2021-10-21 20:15:49,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:49" (1/1) ... [2021-10-21 20:15:49,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:49" (1/1) ... [2021-10-21 20:15:49,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:49" (1/1) ... [2021-10-21 20:15:49,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:15:49,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:15:49,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:15:49,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:15:49,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:49" (1/1) ... [2021-10-21 20:15:49,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:49,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:49,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:49,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:15:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:15:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:15:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:15:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:15:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:15:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:15:50,222 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:15:50,238 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-21 20:15:50,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:15:50 BoogieIcfgContainer [2021-10-21 20:15:50,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:15:50,242 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:15:50,242 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:15:50,246 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:15:50,246 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:15:50,247 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:15:48" (1/3) ... [2021-10-21 20:15:50,248 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d7ec781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:15:50, skipping insertion in model container [2021-10-21 20:15:50,248 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:15:50,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:49" (2/3) ... [2021-10-21 20:15:50,249 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d7ec781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:15:50, skipping insertion in model container [2021-10-21 20:15:50,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:15:50,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:15:50" (3/3) ... [2021-10-21 20:15:50,251 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcspn-alloca-1.i [2021-10-21 20:15:50,332 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:15:50,332 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:15:50,332 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:15:50,332 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:15:50,333 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:15:50,333 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:15:50,333 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:15:50,333 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:15:50,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:50,373 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-10-21 20:15:50,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:15:50,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:15:50,380 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 20:15:50,381 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:15:50,381 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:15:50,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:50,384 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-10-21 20:15:50,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:15:50,384 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:15:50,385 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 20:15:50,385 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:15:50,393 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 11#L532true assume !(main_~length1~0 < 1); 7#L532-2true assume !(main_~length2~0 < 1); 3#L535-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 18#L541-3true [2021-10-21 20:15:50,393 INFO L793 eck$LassoCheckResult]: Loop: 18#L541-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 24#L541-2true main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 18#L541-3true [2021-10-21 20:15:50,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:50,400 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-21 20:15:50,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:50,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471384823] [2021-10-21 20:15:50,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:50,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:50,524 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:50,563 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:50,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:50,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-10-21 20:15:50,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:50,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432120553] [2021-10-21 20:15:50,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:50,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:50,582 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:50,594 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:50,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:50,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-10-21 20:15:50,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:50,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055364259] [2021-10-21 20:15:50,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:50,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:50,636 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:50,691 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:51,294 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:15:51,295 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:15:51,295 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:15:51,296 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:15:51,296 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:15:51,296 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:51,296 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:15:51,296 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:15:51,297 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration1_Lasso [2021-10-21 20:15:51,297 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:15:51,298 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:15:51,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:51,889 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:15:51,894 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:15:51,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:51,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:51,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:51,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:15:51,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:51,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:51,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:51,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:51,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:51,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:51,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:51,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:51,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:51,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:51,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:51,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:51,993 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:51,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:15:51,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:52,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:52,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:52,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:52,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:52,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:52,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:52,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:52,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:52,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-21 20:15:52,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:52,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:52,067 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:52,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:15:52,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:52,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:52,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:52,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:52,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:52,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:52,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:52,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:52,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:52,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:52,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:52,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:52,106 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:52,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:15:52,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:52,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:52,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:52,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:52,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:52,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:52,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:52,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:52,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:52,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:52,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:52,161 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:52,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:15:52,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:52,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:52,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:52,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:52,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:52,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:52,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:52,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:52,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:52,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:52,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:52,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:52,247 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:52,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:15:52,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:52,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:52,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:52,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:52,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:52,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:52,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:52,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:52,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:52,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:52,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:52,333 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:52,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:52,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:52,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:52,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:52,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:52,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:52,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:52,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:15:52,398 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:15:52,442 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-21 20:15:52,442 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-21 20:15:52,444 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:52,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:52,446 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:52,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:15:52,467 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:15:52,489 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:15:52,489 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:15:52,490 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-21 20:15:52,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-21 20:15:52,559 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-21 20:15:52,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:52,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:15:52,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:52,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:15:52,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:52,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:15:52,733 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:15:52,735 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:52,817 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 87 transitions. Complement of second has 7 states. [2021-10-21 20:15:52,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:15:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2021-10-21 20:15:52,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-21 20:15:52,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:15:52,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-21 20:15:52,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:15:52,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 59 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-21 20:15:52,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:15:52,827 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 87 transitions. [2021-10-21 20:15:52,842 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-10-21 20:15:52,849 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 20 states and 27 transitions. [2021-10-21 20:15:52,850 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 20:15:52,850 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-21 20:15:52,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2021-10-21 20:15:52,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:15:52,852 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-21 20:15:52,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2021-10-21 20:15:52,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-21 20:15:52,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 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) [2021-10-21 20:15:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2021-10-21 20:15:52,890 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-21 20:15:52,890 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-21 20:15:52,891 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:15:52,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2021-10-21 20:15:52,892 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-10-21 20:15:52,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:15:52,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:15:52,892 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:52,892 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:15:52,893 INFO L791 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 161#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 165#L532 assume !(main_~length1~0 < 1); 162#L532-2 assume !(main_~length2~0 < 1); 156#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 157#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 166#L541-4 main_~i~1 := 0; 159#L547-3 [2021-10-21 20:15:52,893 INFO L793 eck$LassoCheckResult]: Loop: 159#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 158#L547-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 159#L547-3 [2021-10-21 20:15:52,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:52,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-10-21 20:15:52,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:52,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678953887] [2021-10-21 20:15:52,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:52,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:52,910 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:52,929 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:52,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:52,930 INFO L82 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-10-21 20:15:52,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:52,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588798848] [2021-10-21 20:15:52,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:52,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:52,940 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:52,948 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:52,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:52,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-10-21 20:15:52,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:52,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181197600] [2021-10-21 20:15:52,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:52,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:52,968 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:52,991 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:53,396 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:15:53,396 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:15:53,396 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:15:53,396 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:15:53,396 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:15:53,396 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:53,396 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:15:53,396 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:15:53,397 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration2_Lasso [2021-10-21 20:15:53,397 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:15:53,397 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:15:53,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:53,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:53,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:53,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:53,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:53,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:53,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:53,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:53,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:53,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:53,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:53,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:53,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:53,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:53,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:53,902 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:15:53,902 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:15:53,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:53,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:53,907 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:53,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:53,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:53,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:53,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:53,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:53,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:53,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:53,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:53,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:15:53,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:53,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:53,966 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:53,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:53,967 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:53,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:15:53,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:53,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:53,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:53,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:53,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:53,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:53,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:53,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:54,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:54,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:54,040 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:54,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:54,043 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:54,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:54,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:54,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:54,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:54,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:54,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:54,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:54,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:54,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:15:54,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:54,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:54,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:54,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:54,105 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:54,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:15:54,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:54,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:54,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:54,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:54,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:54,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:54,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:54,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:54,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:54,186 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:54,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:54,187 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:54,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:15:54,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:54,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:54,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:54,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:54,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:54,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:54,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:54,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:54,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:54,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:54,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:54,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:54,228 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:54,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:15:54,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:54,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:54,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:54,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:54,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:54,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:54,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:54,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:54,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:54,313 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:54,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:54,314 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:54,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:54,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:54,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:54,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:54,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:54,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:54,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:54,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:15:54,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:54,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:54,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:54,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:54,394 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:54,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:15:54,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:54,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:54,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:54,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:54,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:54,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:54,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:54,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:54,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:54,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:54,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:54,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:54,443 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:54,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:15:54,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:54,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:54,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:54,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:54,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:54,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:54,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:54,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:54,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:54,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:54,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:54,523 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:54,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:54,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:54,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:54,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:54,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:54,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:54,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:54,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 20:15:54,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:54,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:54,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:54,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:54,608 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:54,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 20:15:54,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:54,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:54,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:54,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:54,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:54,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:54,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:54,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:54,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:54,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:54,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:54,709 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:54,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:54,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:54,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:54,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:54,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:54,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:54,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:54,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 20:15:54,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:54,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:54,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:54,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:54,810 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:54,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:54,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:54,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:54,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:54,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:54,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:54,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:54,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:54,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 20:15:54,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:54,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-21 20:15:54,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:54,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:54,863 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:54,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 20:15:54,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:54,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:54,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:54,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:54,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:54,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:54,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:54,918 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:15:54,958 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-21 20:15:54,958 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-10-21 20:15:54,958 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:54,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:54,963 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:54,965 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:15:54,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 20:15:54,992 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:15:54,992 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:15:54,993 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~1 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2021-10-21 20:15:55,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-21 20:15:55,048 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-21 20:15:55,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:55,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:15:55,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:55,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:15:55,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:15:55,153 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:15:55,153 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:55,182 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 27 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 44 transitions. Complement of second has 6 states. [2021-10-21 20:15:55,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:15:55,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2021-10-21 20:15:55,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-21 20:15:55,184 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:15:55,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-21 20:15:55,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:15:55,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-21 20:15:55,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:15:55,185 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 44 transitions. [2021-10-21 20:15:55,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 20:15:55,188 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 21 states and 29 transitions. [2021-10-21 20:15:55,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-21 20:15:55,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 20:15:55,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 29 transitions. [2021-10-21 20:15:55,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:15:55,189 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2021-10-21 20:15:55,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 29 transitions. [2021-10-21 20:15:55,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-21 20:15:55,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:55,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2021-10-21 20:15:55,192 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2021-10-21 20:15:55,192 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2021-10-21 20:15:55,192 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:15:55,192 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 29 transitions. [2021-10-21 20:15:55,193 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 20:15:55,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:15:55,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:15:55,194 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:55,194 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:55,194 INFO L791 eck$LassoCheckResult]: Stem: 285#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 286#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 290#L532 assume !(main_~length1~0 < 1); 287#L532-2 assume !(main_~length2~0 < 1); 281#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 282#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 291#L541-4 main_~i~1 := 0; 292#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 297#L547-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 296#L519-4 [2021-10-21 20:15:55,194 INFO L793 eck$LassoCheckResult]: Loop: 296#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 300#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 294#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 301#L522-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 293#L522-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 288#L522-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 289#L524 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 295#L519-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 296#L519-4 [2021-10-21 20:15:55,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:55,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2021-10-21 20:15:55,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:55,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920068221] [2021-10-21 20:15:55,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:55,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:55,218 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:55,244 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:55,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:55,245 INFO L82 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 1 times [2021-10-21 20:15:55,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:55,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206477516] [2021-10-21 20:15:55,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:55,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:55,260 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:55,274 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:55,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:55,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1903570310, now seen corresponding path program 1 times [2021-10-21 20:15:55,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:55,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472913986] [2021-10-21 20:15:55,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:55,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:15:55,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:15:55,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472913986] [2021-10-21 20:15:55,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472913986] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:15:55,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:15:55,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:15:55,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168786617] [2021-10-21 20:15:55,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:55,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:15:55,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:15:55,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:15:55,900 INFO L87 Difference]: Start difference. First operand 21 states and 29 transitions. cyclomatic complexity: 11 Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:55,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:15:55,997 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2021-10-21 20:15:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:15:55,998 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2021-10-21 20:15:56,001 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 20:15:56,003 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 22 states and 29 transitions. [2021-10-21 20:15:56,008 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 20:15:56,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 20:15:56,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 29 transitions. [2021-10-21 20:15:56,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:15:56,010 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2021-10-21 20:15:56,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 29 transitions. [2021-10-21 20:15:56,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2021-10-21 20:15:56,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2021-10-21 20:15:56,014 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-10-21 20:15:56,014 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-10-21 20:15:56,014 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:15:56,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 28 transitions. [2021-10-21 20:15:56,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 20:15:56,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:15:56,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:15:56,017 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:56,017 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:56,018 INFO L791 eck$LassoCheckResult]: Stem: 351#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 352#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 356#L532 assume !(main_~length1~0 < 1); 353#L532-2 assume !(main_~length2~0 < 1); 347#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 348#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 364#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 365#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 357#L541-4 main_~i~1 := 0; 358#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 363#L547-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 362#L519-4 [2021-10-21 20:15:56,018 INFO L793 eck$LassoCheckResult]: Loop: 362#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 366#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 360#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 367#L522-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 359#L522-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 354#L522-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 355#L524 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 361#L519-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 362#L519-4 [2021-10-21 20:15:56,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:56,019 INFO L82 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 1 times [2021-10-21 20:15:56,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:56,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642643099] [2021-10-21 20:15:56,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:56,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:56,057 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:56,087 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:56,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:56,089 INFO L82 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 2 times [2021-10-21 20:15:56,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:56,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16260496] [2021-10-21 20:15:56,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:56,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:56,106 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:56,117 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:56,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:56,118 INFO L82 PathProgramCache]: Analyzing trace with hash -164170776, now seen corresponding path program 1 times [2021-10-21 20:15:56,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:56,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299284005] [2021-10-21 20:15:56,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:56,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:56,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:15:56,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:15:56,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299284005] [2021-10-21 20:15:56,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299284005] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:15:56,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:15:56,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-21 20:15:56,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775586603] [2021-10-21 20:15:56,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:15:56,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 20:15:56,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:15:56,602 INFO L87 Difference]: Start difference. First operand 21 states and 28 transitions. cyclomatic complexity: 10 Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:15:56,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:15:56,798 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2021-10-21 20:15:56,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 20:15:56,799 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 41 transitions. [2021-10-21 20:15:56,800 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-21 20:15:56,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 41 transitions. [2021-10-21 20:15:56,801 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-21 20:15:56,801 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-21 20:15:56,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 41 transitions. [2021-10-21 20:15:56,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:15:56,802 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2021-10-21 20:15:56,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 41 transitions. [2021-10-21 20:15:56,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2021-10-21 20:15:56,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 30 states have internal predecessors, (38), 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) [2021-10-21 20:15:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2021-10-21 20:15:56,806 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-21 20:15:56,807 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-21 20:15:56,807 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 20:15:56,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2021-10-21 20:15:56,808 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-21 20:15:56,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:15:56,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:15:56,809 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:56,809 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:56,809 INFO L791 eck$LassoCheckResult]: Stem: 430#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 431#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 435#L532 assume !(main_~length1~0 < 1); 432#L532-2 assume !(main_~length2~0 < 1); 426#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 427#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 443#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 444#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 436#L541-4 main_~i~1 := 0; 437#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 442#L547-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 440#L519-4 [2021-10-21 20:15:56,810 INFO L793 eck$LassoCheckResult]: Loop: 440#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 446#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 449#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 447#L522-1 assume !cstrcspn_#t~short7; 448#L522-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 456#L522-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 455#L524 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 439#L519-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 440#L519-4 [2021-10-21 20:15:56,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:56,810 INFO L82 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 2 times [2021-10-21 20:15:56,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:56,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166876320] [2021-10-21 20:15:56,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:56,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:56,825 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:56,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:56,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:56,843 INFO L82 PathProgramCache]: Analyzing trace with hash -903038413, now seen corresponding path program 1 times [2021-10-21 20:15:56,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:56,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076663242] [2021-10-21 20:15:56,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:56,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:56,850 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:56,857 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:56,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:56,858 INFO L82 PathProgramCache]: Analyzing trace with hash -162323734, now seen corresponding path program 1 times [2021-10-21 20:15:56,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:56,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387474012] [2021-10-21 20:15:56,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:56,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:56,876 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:56,900 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:57,986 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:15:57,987 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:15:57,987 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:15:57,987 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:15:57,987 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:15:57,987 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:57,987 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:15:57,988 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:15:57,988 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration5_Lasso [2021-10-21 20:15:57,988 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:15:57,988 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:15:57,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:57,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:57,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:15:58,970 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:15:58,970 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:15:58,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:58,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:58,991 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:58,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 20:15:58,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:59,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,053 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 20:15:59,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:59,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,090 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 20:15:59,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:59,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:59,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-21 20:15:59,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,128 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 20:15:59,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:59,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,165 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 20:15:59,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:59,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,202 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 20:15:59,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-21 20:15:59,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,277 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 20:15:59,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:59,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,311 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 20:15:59,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-21 20:15:59,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,353 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 20:15:59,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-21 20:15:59,410 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,411 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 20:15:59,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:59,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,447 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 20:15:59,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:59,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:59,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-21 20:15:59,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,485 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 20:15:59,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:59,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,537 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 20:15:59,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-21 20:15:59,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,570 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 20:15:59,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:59,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:59,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:59,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,659 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 20:15:59,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:59,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,728 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:15:59,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:15:59,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 20:15:59,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:59,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,801 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 20:15:59,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:59,835 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,835 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 20:15:59,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-21 20:15:59,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,868 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 20:15:59,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-21 20:15:59,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,901 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 20:15:59,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:15:59,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-21 20:15:59,933 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:59,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:59,934 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:59,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 20:15:59,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:15:59,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:59,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:59,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:59,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:59,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:59,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:59,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:59,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:00,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:00,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:00,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:00,015 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:00,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:00,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 20:16:00,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:00,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:00,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:00,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:00,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:00,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:00,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:00,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:00,080 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:00,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:00,081 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:00,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 20:16:00,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:00,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:00,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:00,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:00,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:00,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:00,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:00,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:00,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-21 20:16:00,133 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:00,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:00,134 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:00,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 20:16:00,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:00,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:00,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:00,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:00,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:00,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:00,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:00,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:00,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:00,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-21 20:16:00,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:00,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:00,185 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:00,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 20:16:00,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:00,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:00,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:00,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:00,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:00,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:00,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:00,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:00,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-21 20:16:00,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:00,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:00,220 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:00,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:00,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 20:16:00,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:00,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:00,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:00,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:00,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:00,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:00,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:00,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-21 20:16:00,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:00,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:00,256 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:00,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 20:16:00,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:00,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:00,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:00,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:00,266 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:16:00,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:00,268 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:16:00,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:00,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:00,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-21 20:16:00,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:00,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:00,294 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:00,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 20:16:00,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:00,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:00,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:00,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:00,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:00,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:00,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:00,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:00,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:00,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:00,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:00,338 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:00,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 20:16:00,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:00,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:00,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:00,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:00,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:00,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:00,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:00,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:00,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:00,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:00,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:00,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:00,422 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:00,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:00,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 20:16:00,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:00,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:00,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:00,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:00,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:00,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:00,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:00,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:00,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:00,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:00,473 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:00,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 20:16:00,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:00,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:00,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:00,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:00,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:00,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:00,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:00,534 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:16:00,580 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-21 20:16:00,580 INFO L444 ModelExtractionUtils]: 47 out of 58 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-10-21 20:16:00,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:00,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:00,581 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:00,583 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:16:00,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 20:16:00,616 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:16:00,616 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:16:00,616 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~sc1~0.offset, v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2) = -1*ULTIMATE.start_cstrcspn_~sc1~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2 Supporting invariants [] [2021-10-21 20:16:00,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:00,737 INFO L297 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2021-10-21 20:16:00,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:16:00,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:16:00,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:16:00,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:16:00,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:16:00,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:16:00,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:16:00,963 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:16:00,963 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:16:00,999 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 59 transitions. Complement of second has 4 states. [2021-10-21 20:16:01,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:16:01,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:16:01,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2021-10-21 20:16:01,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 11 letters. Loop has 8 letters. [2021-10-21 20:16:01,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:16:01,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 19 letters. Loop has 8 letters. [2021-10-21 20:16:01,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:16:01,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 11 letters. Loop has 16 letters. [2021-10-21 20:16:01,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:16:01,002 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 59 transitions. [2021-10-21 20:16:01,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:16:01,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 27 states and 35 transitions. [2021-10-21 20:16:01,007 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-21 20:16:01,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-21 20:16:01,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2021-10-21 20:16:01,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:16:01,008 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-10-21 20:16:01,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2021-10-21 20:16:01,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-21 20:16:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:16:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-10-21 20:16:01,011 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-10-21 20:16:01,011 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-10-21 20:16:01,011 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 20:16:01,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2021-10-21 20:16:01,011 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:16:01,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:16:01,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:16:01,012 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:16:01,012 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:16:01,012 INFO L791 eck$LassoCheckResult]: Stem: 631#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 632#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 636#L532 assume !(main_~length1~0 < 1); 633#L532-2 assume !(main_~length2~0 < 1); 627#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 628#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 646#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 647#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 637#L541-4 main_~i~1 := 0; 638#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 629#L547-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 630#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 644#L547-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 645#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 648#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 640#L522-5 [2021-10-21 20:16:01,012 INFO L793 eck$LassoCheckResult]: Loop: 640#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 650#L522-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 639#L522-3 assume !!cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7;cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post8.base, 1 + cstrcspn_#t~post8.offset;havoc cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset; 640#L522-5 [2021-10-21 20:16:01,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:01,013 INFO L82 PathProgramCache]: Analyzing trace with hash 2055034687, now seen corresponding path program 1 times [2021-10-21 20:16:01,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:16:01,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130671247] [2021-10-21 20:16:01,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:16:01,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:16:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:01,052 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:16:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:01,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:16:01,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:01,086 INFO L82 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 1 times [2021-10-21 20:16:01,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:16:01,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278230529] [2021-10-21 20:16:01,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:16:01,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:16:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:01,098 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:16:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:01,110 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:16:01,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:01,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1074579938, now seen corresponding path program 1 times [2021-10-21 20:16:01,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:16:01,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878875136] [2021-10-21 20:16:01,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:16:01,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:16:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:01,162 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:16:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:01,195 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:16:02,744 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:16:02,744 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:16:02,744 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:16:02,744 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:16:02,745 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:16:02,745 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:02,745 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:16:02,745 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:16:02,745 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration6_Lasso [2021-10-21 20:16:02,745 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:16:02,745 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:16:02,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:02,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:03,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:04,376 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:16:04,376 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:16:04,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,379 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 20:16:04,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:04,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:04,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:04,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-21 20:16:04,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,415 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 20:16:04,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:04,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:04,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:04,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:04,452 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,453 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 20:16:04,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:04,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:04,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-21 20:16:04,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,493 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-21 20:16:04,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:04,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:04,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:04,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-21 20:16:04,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,528 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-21 20:16:04,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:04,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:04,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:04,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-21 20:16:04,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,568 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-21 20:16:04,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:04,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:04,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:04,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:04,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,604 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-21 20:16:04,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:04,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:04,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:04,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:04,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,640 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-21 20:16:04,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:04,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:04,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:04,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,680 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-21 20:16:04,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:04,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:04,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:04,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-21 20:16:04,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,726 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-21 20:16:04,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:04,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:04,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:04,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-21 20:16:04,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,762 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-21 20:16:04,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:04,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:04,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-21 20:16:04,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,802 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-21 20:16:04,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:04,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:04,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:04,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-21 20:16:04,836 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,837 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-21 20:16:04,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:04,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:04,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:04,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-21 20:16:04,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,872 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-21 20:16:04,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:04,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:04,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:04,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-21 20:16:04,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,908 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-21 20:16:04,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:04,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:04,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:04,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:04,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,944 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-21 20:16:04,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:04,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:04,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:04,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:04,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-21 20:16:04,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:04,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:04,987 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:04,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-21 20:16:04,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:04,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:04,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:04,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:04,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:04,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:04,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:05,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:05,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:05,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:05,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:05,026 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:05,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-21 20:16:05,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:05,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:05,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:05,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:05,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:05,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:05,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:05,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:05,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-21 20:16:05,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:05,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:05,067 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:05,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-21 20:16:05,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:05,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:05,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:05,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:05,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:05,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:05,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:05,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:05,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:05,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:05,104 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:05,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:05,104 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:05,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-21 20:16:05,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:05,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:05,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:05,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:05,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:05,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:05,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:05,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:05,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:05,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:05,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:05,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:05,188 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:05,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:05,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:05,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:05,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:05,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:05,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:05,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:05,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:05,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-21 20:16:05,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:05,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:05,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:05,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:05,259 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:05,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:05,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:05,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:05,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:05,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:05,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:05,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:05,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:05,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-21 20:16:05,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:05,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:05,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:05,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:05,335 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:05,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:05,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:05,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:05,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:05,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:05,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:05,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:05,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:05,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-21 20:16:05,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:05,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:05,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:05,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:05,395 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:05,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-21 20:16:05,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:05,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:05,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:05,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:05,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:05,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:05,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:05,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:05,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:05,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-21 20:16:05,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:05,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:05,434 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:05,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-21 20:16:05,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:05,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:05,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:05,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:05,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:05,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:05,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:05,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:05,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-21 20:16:05,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:05,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:05,493 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:05,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-21 20:16:05,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:05,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:05,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:05,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:05,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:05,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:05,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:05,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:05,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:05,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:05,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:05,531 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:05,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-21 20:16:05,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:05,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:05,541 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-21 20:16:05,541 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-10-21 20:16:05,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:05,618 INFO L401 nArgumentSynthesizer]: We have 108 Motzkin's Theorem applications. [2021-10-21 20:16:05,618 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-21 20:16:05,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:05,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:05,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:05,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:05,902 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:05,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:05,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:05,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:05,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:05,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:05,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:05,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:05,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-21 20:16:05,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:05,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:05,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:05,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:05,975 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:05,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:05,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:05,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:05,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:05,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:05,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-21 20:16:06,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:06,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:06,038 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:16:06,096 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-21 20:16:06,097 INFO L444 ModelExtractionUtils]: 19 out of 55 variables were initially zero. Simplification set additionally 33 variables to zero. [2021-10-21 20:16:06,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:06,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:06,099 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:06,102 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:16:06,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-21 20:16:06,128 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:16:06,128 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:16:06,128 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcspn_~s~0.base)_2, ULTIMATE.start_cstrcspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcspn_~s~0.base)_2 - 1*ULTIMATE.start_cstrcspn_~s~0.offset Supporting invariants [] [2021-10-21 20:16:06,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:06,286 INFO L297 tatePredicateManager]: 26 out of 26 supporting invariants were superfluous and have been removed [2021-10-21 20:16:06,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:16:06,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:16:06,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:16:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:16:06,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:16:06,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:16:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:16:06,416 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:16:06,416 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-10-21 20:16:06,440 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 67 transitions. Complement of second has 5 states. [2021-10-21 20:16:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:16:06,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-10-21 20:16:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 26 transitions. [2021-10-21 20:16:06,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-21 20:16:06,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:16:06,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 18 letters. Loop has 3 letters. [2021-10-21 20:16:06,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:16:06,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 15 letters. Loop has 6 letters. [2021-10-21 20:16:06,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:16:06,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 67 transitions. [2021-10-21 20:16:06,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:16:06,454 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 40 states and 50 transitions. [2021-10-21 20:16:06,454 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-21 20:16:06,454 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-21 20:16:06,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 50 transitions. [2021-10-21 20:16:06,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:16:06,456 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-10-21 20:16:06,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 50 transitions. [2021-10-21 20:16:06,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2021-10-21 20:16:06,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.28125) internal successors, (41), 31 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:16:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2021-10-21 20:16:06,462 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2021-10-21 20:16:06,462 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2021-10-21 20:16:06,462 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 20:16:06,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 41 transitions. [2021-10-21 20:16:06,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:16:06,464 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:16:06,464 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:16:06,465 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:16:06,467 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:16:06,467 INFO L791 eck$LassoCheckResult]: Stem: 891#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 892#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 896#L532 assume !(main_~length1~0 < 1); 893#L532-2 assume !(main_~length2~0 < 1); 887#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 888#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 907#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 908#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 897#L541-4 main_~i~1 := 0; 898#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 889#L547-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 890#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 905#L547-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 906#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 909#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 902#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 913#L522-1 assume !cstrcspn_#t~short7; 914#L522-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 894#L522-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 895#L524 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 903#L519-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 904#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 910#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 900#L522-5 [2021-10-21 20:16:06,468 INFO L793 eck$LassoCheckResult]: Loop: 900#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 912#L522-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 899#L522-3 assume !!cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7;cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post8.base, 1 + cstrcspn_#t~post8.offset;havoc cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset; 900#L522-5 [2021-10-21 20:16:06,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:06,468 INFO L82 PathProgramCache]: Analyzing trace with hash -777149455, now seen corresponding path program 1 times [2021-10-21 20:16:06,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:16:06,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638703870] [2021-10-21 20:16:06,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:16:06,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:16:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:16:06,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:16:06,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:16:06,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638703870] [2021-10-21 20:16:06,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638703870] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:16:06,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678635025] [2021-10-21 20:16:06,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:16:06,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:16:06,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:06,743 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:16:06,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2021-10-21 20:16:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:16:06,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-21 20:16:06,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:16:06,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-21 20:16:07,186 INFO L354 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2021-10-21 20:16:07,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 30 [2021-10-21 20:16:07,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:07,773 INFO L354 Elim1Store]: treesize reduction 40, result has 7.0 percent of original size [2021-10-21 20:16:07,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 37 treesize of output 23 [2021-10-21 20:16:07,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-21 20:16:07,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678635025] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:16:07,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:16:07,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-10-21 20:16:07,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112427038] [2021-10-21 20:16:07,794 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:16:07,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:07,795 INFO L82 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 2 times [2021-10-21 20:16:07,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:16:07,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493514559] [2021-10-21 20:16:07,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:16:07,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:16:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:07,801 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:16:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:07,806 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:16:07,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:16:07,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-21 20:16:07,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-10-21 20:16:07,939 INFO L87 Difference]: Start difference. First operand 32 states and 41 transitions. cyclomatic complexity: 14 Second operand has 15 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 15 states have internal predecessors, (38), 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) [2021-10-21 20:16:08,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:16:08,289 INFO L93 Difference]: Finished difference Result 53 states and 65 transitions. [2021-10-21 20:16:08,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:16:08,289 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 65 transitions. [2021-10-21 20:16:08,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:16:08,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 35 states and 44 transitions. [2021-10-21 20:16:08,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-21 20:16:08,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-21 20:16:08,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. [2021-10-21 20:16:08,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:16:08,292 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2021-10-21 20:16:08,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. [2021-10-21 20:16:08,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2021-10-21 20:16:08,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 33 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:16:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2021-10-21 20:16:08,295 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-10-21 20:16:08,295 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-10-21 20:16:08,296 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 20:16:08,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 43 transitions. [2021-10-21 20:16:08,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:16:08,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:16:08,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:16:08,298 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:16:08,298 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:16:08,298 INFO L791 eck$LassoCheckResult]: Stem: 1066#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1067#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 1073#L532 assume !(main_~length1~0 < 1); 1070#L532-2 assume !(main_~length2~0 < 1); 1064#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 1065#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 1084#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 1085#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 1086#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 1095#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 1074#L541-4 main_~i~1 := 0; 1075#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 1068#L547-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 1069#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 1082#L547-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 1083#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 1087#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 1079#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 1091#L522-1 assume !cstrcspn_#t~short7; 1092#L522-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 1071#L522-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 1072#L524 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 1080#L519-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 1081#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 1088#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 1077#L522-5 [2021-10-21 20:16:08,298 INFO L793 eck$LassoCheckResult]: Loop: 1077#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 1090#L522-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 1076#L522-3 assume !!cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7;cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post8.base, 1 + cstrcspn_#t~post8.offset;havoc cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset; 1077#L522-5 [2021-10-21 20:16:08,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:08,299 INFO L82 PathProgramCache]: Analyzing trace with hash 409245907, now seen corresponding path program 2 times [2021-10-21 20:16:08,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:16:08,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854110694] [2021-10-21 20:16:08,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:16:08,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:16:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:08,320 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:16:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:08,347 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:16:08,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:08,348 INFO L82 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 3 times [2021-10-21 20:16:08,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:16:08,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588091956] [2021-10-21 20:16:08,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:16:08,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:16:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:08,354 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:16:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:08,359 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:16:08,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:08,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1567281202, now seen corresponding path program 1 times [2021-10-21 20:16:08,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:16:08,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688540920] [2021-10-21 20:16:08,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:16:08,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:16:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:16:08,463 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-21 20:16:08,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:16:08,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688540920] [2021-10-21 20:16:08,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688540920] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:16:08,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449440535] [2021-10-21 20:16:08,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:16:08,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:16:08,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:08,471 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:16:08,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2021-10-21 20:16:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:16:08,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-21 20:16:08,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:16:08,719 INFO L354 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2021-10-21 20:16:08,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 21 [2021-10-21 20:16:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-21 20:16:09,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449440535] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:16:09,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:16:09,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2021-10-21 20:16:09,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655269429] [2021-10-21 20:16:09,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:16:09,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-21 20:16:09,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-10-21 20:16:09,136 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. cyclomatic complexity: 14 Second operand has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 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) [2021-10-21 20:16:09,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:16:09,396 INFO L93 Difference]: Finished difference Result 63 states and 77 transitions. [2021-10-21 20:16:09,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:16:09,396 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 77 transitions. [2021-10-21 20:16:09,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:16:09,398 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 52 states and 64 transitions. [2021-10-21 20:16:09,398 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-21 20:16:09,399 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-21 20:16:09,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 64 transitions. [2021-10-21 20:16:09,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:16:09,399 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 64 transitions. [2021-10-21 20:16:09,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 64 transitions. [2021-10-21 20:16:09,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 38. [2021-10-21 20:16:09,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 37 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:16:09,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2021-10-21 20:16:09,403 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-10-21 20:16:09,404 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-10-21 20:16:09,404 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-21 20:16:09,404 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 48 transitions. [2021-10-21 20:16:09,404 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:16:09,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:16:09,405 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:16:09,407 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:16:09,407 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:16:09,407 INFO L791 eck$LassoCheckResult]: Stem: 1278#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1279#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 1285#L532 assume !(main_~length1~0 < 1); 1282#L532-2 assume !(main_~length2~0 < 1); 1276#L535-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 1277#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 1296#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 1297#L541-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 1298#L541-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 1307#L541-3 assume !(main_~i~0 < main_~length1~0 - 1); 1286#L541-4 main_~i~1 := 0; 1287#L547-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 1280#L547-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 1281#L547-3 assume !(main_~i~1 < main_~length2~0 - 1); 1294#L547-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 1295#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 1299#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 1310#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 1303#L522-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 1304#L522-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 1283#L522-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 1284#L524 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 1292#L519-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 1293#L519-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 1300#L519-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 1289#L522-5 [2021-10-21 20:16:09,407 INFO L793 eck$LassoCheckResult]: Loop: 1289#L522-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 1302#L522-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 1288#L522-3 assume !!cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7;cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post8.base, 1 + cstrcspn_#t~post8.offset;havoc cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset; 1289#L522-5 [2021-10-21 20:16:09,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:09,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1365761455, now seen corresponding path program 1 times [2021-10-21 20:16:09,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:16:09,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237827051] [2021-10-21 20:16:09,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:16:09,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:16:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:09,432 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:16:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:09,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:16:09,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:09,457 INFO L82 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 4 times [2021-10-21 20:16:09,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:16:09,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901728894] [2021-10-21 20:16:09,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:16:09,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:16:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:09,464 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:16:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:09,468 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:16:09,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:09,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1174254192, now seen corresponding path program 1 times [2021-10-21 20:16:09,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:16:09,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602156048] [2021-10-21 20:16:09,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:16:09,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:16:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:09,499 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:16:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:16:09,526 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:16:12,076 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:16:12,076 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:16:12,076 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:16:12,076 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:16:12,076 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:16:12,076 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:12,077 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:16:12,077 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:16:12,077 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-1.i_Iteration9_Lasso [2021-10-21 20:16:12,077 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:16:12,077 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:16:12,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:12,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:12,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:12,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:12,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:12,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:12,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:12,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:12,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:13,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:16:15,340 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:16:15,340 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:16:15,340 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:15,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:15,343 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:15,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:15,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:15,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:15,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:15,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:15,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:15,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-21 20:16:15,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:15,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:15,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:15,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-21 20:16:15,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:15,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:15,395 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:15,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-21 20:16:15,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:15,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:15,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:15,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:15,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:15,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:15,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:15,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:15,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:15,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-10-21 20:16:15,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:15,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:15,428 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:15,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-21 20:16:15,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:15,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:15,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:15,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:15,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:15,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:15,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:15,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:15,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:15,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-10-21 20:16:15,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:15,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:15,461 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:15,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-21 20:16:15,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:15,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:15,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:15,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:15,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:15,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:15,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:15,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:15,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:15,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:15,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:15,498 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:15,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-21 20:16:15,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:15,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:15,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:15,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:15,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:15,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:15,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:15,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:15,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:15,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:15,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:15,544 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:15,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-21 20:16:15,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:15,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:15,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:15,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:15,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:15,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:15,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:15,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:15,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:15,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:15,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:15,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:15,575 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:15,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-21 20:16:15,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:15,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:15,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:15,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:15,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:15,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:15,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:15,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:15,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:15,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:15,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:15,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:15,606 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:15,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-21 20:16:15,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:15,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:15,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:16:15,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:15,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:15,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:15,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:16:15,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:16:15,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:15,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-10-21 20:16:15,638 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:15,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:15,638 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:15,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-21 20:16:15,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:15,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:15,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:15,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:15,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:15,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:15,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:15,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:15,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-10-21 20:16:15,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:15,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:15,674 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:15,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-21 20:16:15,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:15,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:15,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:15,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:15,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:15,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:15,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:15,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:15,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:15,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:15,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:15,763 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:15,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:15,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:15,778 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2021-10-21 20:16:15,778 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-10-21 20:16:15,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:15,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-21 20:16:15,964 INFO L401 nArgumentSynthesizer]: We have 180 Motzkin's Theorem applications. [2021-10-21 20:16:15,964 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-21 20:16:16,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:16,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:16,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:16,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:16,404 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:16,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:16,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:16,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:16,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:16,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:16,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-21 20:16:16,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:16,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:16,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:16,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:16,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:16,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:16,500 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:16,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-21 20:16:16,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:16,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:16,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:16,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:16,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:16,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:16,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:16,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:16,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:16,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:16,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:16,538 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:16,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-21 20:16:16,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:16,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:16,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:16,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:16,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:16,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:16,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:16,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:16,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:16,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:16,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:16,579 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:16,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-21 20:16:16,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:16,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:16,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:16,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:16,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:16,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:16,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:16,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:16,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-10-21 20:16:16,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:16,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:16,616 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:16,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-21 20:16:16,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:16,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:16,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:16,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:16,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:16,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:16,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:16,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:16:16,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:16,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:16,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:16,676 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:16,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-21 20:16:16,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:16:16,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:16:16,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:16:16,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:16:16,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:16:16,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:16:16,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:16:16,719 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:16:16,798 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-21 20:16:16,798 INFO L444 ModelExtractionUtils]: 10 out of 58 variables were initially zero. Simplification set additionally 45 variables to zero. [2021-10-21 20:16:16,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:16:16,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:16:16,800 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:16:16,801 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:16:16,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-21 20:16:16,812 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:16:16,813 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:16:16,813 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_3, ULTIMATE.start_cstrcspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_3 - 1*ULTIMATE.start_cstrcspn_~s~0.offset Supporting invariants [] [2021-10-21 20:16:16,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:17,010 INFO L297 tatePredicateManager]: 35 out of 37 supporting invariants were superfluous and have been removed [2021-10-21 20:16:17,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:16:17,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:16:17,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:16:17,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:16:17,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:16:17,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:16:17,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:16:17,329 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 20:16:17,329 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:16:17,391 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 70 transitions. Complement of second has 6 states. [2021-10-21 20:16:17,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:16:17,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:16:17,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2021-10-21 20:16:17,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 25 letters. Loop has 3 letters. [2021-10-21 20:16:17,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:16:17,393 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:16:17,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:16:17,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:16:17,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:16:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:16:17,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:16:17,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:16:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:16:17,674 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 20:16:17,674 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:16:17,732 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 70 transitions. Complement of second has 6 states. [2021-10-21 20:16:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:16:17,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:16:17,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2021-10-21 20:16:17,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 25 letters. Loop has 3 letters. [2021-10-21 20:16:17,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:16:17,734 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:16:17,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:16:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:16:17,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:16:17,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:16:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:16:17,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:16:17,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:16:17,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:16:17,998 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 20:16:17,999 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:16:18,052 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 72 transitions. Complement of second has 5 states. [2021-10-21 20:16:18,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:16:18,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:16:18,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2021-10-21 20:16:18,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 25 letters. Loop has 3 letters. [2021-10-21 20:16:18,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:16:18,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 28 letters. Loop has 3 letters. [2021-10-21 20:16:18,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:16:18,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 25 letters. Loop has 6 letters. [2021-10-21 20:16:18,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:16:18,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 72 transitions. [2021-10-21 20:16:18,057 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:16:18,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 0 states and 0 transitions. [2021-10-21 20:16:18,057 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:16:18,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:16:18,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:16:18,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:16:18,057 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:16:18,057 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:16:18,057 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:16:18,057 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-21 20:16:18,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:16:18,058 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:16:18,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:16:18,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:16:18 BoogieIcfgContainer [2021-10-21 20:16:18,064 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:16:18,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:16:18,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:16:18,066 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:16:18,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:15:50" (3/4) ... [2021-10-21 20:16:18,070 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:16:18,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:16:18,071 INFO L168 Benchmark]: Toolchain (without parser) took 29184.60 ms. Allocated memory was 109.1 MB in the beginning and 205.5 MB in the end (delta: 96.5 MB). Free memory was 71.6 MB in the beginning and 108.6 MB in the end (delta: -36.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:16:18,071 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 89.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:16:18,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.60 ms. Allocated memory is still 109.1 MB. Free memory was 71.4 MB in the beginning and 78.8 MB in the end (delta: -7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:16:18,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.94 ms. Allocated memory is still 109.1 MB. Free memory was 78.8 MB in the beginning and 76.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:16:18,073 INFO L168 Benchmark]: Boogie Preprocessor took 57.15 ms. Allocated memory is still 109.1 MB. Free memory was 76.7 MB in the beginning and 75.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:16:18,073 INFO L168 Benchmark]: RCFGBuilder took 535.86 ms. Allocated memory is still 109.1 MB. Free memory was 75.5 MB in the beginning and 63.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:16:18,074 INFO L168 Benchmark]: BuchiAutomizer took 27822.65 ms. Allocated memory was 109.1 MB in the beginning and 205.5 MB in the end (delta: 96.5 MB). Free memory was 63.3 MB in the beginning and 108.6 MB in the end (delta: -45.3 MB). Peak memory consumption was 52.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:16:18,074 INFO L168 Benchmark]: Witness Printer took 4.82 ms. Allocated memory is still 205.5 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:16:18,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 89.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 663.60 ms. Allocated memory is still 109.1 MB. Free memory was 71.4 MB in the beginning and 78.8 MB in the end (delta: -7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.94 ms. Allocated memory is still 109.1 MB. Free memory was 78.8 MB in the beginning and 76.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.15 ms. Allocated memory is still 109.1 MB. Free memory was 76.7 MB in the beginning and 75.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 535.86 ms. Allocated memory is still 109.1 MB. Free memory was 75.5 MB in the beginning and 63.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 27822.65 ms. Allocated memory was 109.1 MB in the beginning and 205.5 MB in the end (delta: 96.5 MB). Free memory was 63.3 MB in the beginning and 108.6 MB in the end (delta: -45.3 MB). Peak memory consumption was 52.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.82 ms. Allocated memory is still 205.5 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (4 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString1] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[s] + -1 * s and consists of 3 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[nondetString2] + -1 * s and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 27.7s and 10 iterations. TraceHistogramMax:2. Analysis of lassos took 24.7s. Construction of modules took 0.5s. Büchi inclusion checks took 2.2s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 4. Automata minimization 38.5ms AutomataMinimizationTime, 8 MinimizatonAttempts, 27 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 38 states and ocurred in iteration 8. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 220 SDtfs, 387 SDslu, 484 SDs, 0 SdLazy, 465 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 509.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU1 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital275 mio100 ax108 hnf99 lsp89 ukn74 mio100 lsp45 div108 bol100 ite100 ukn100 eq175 hnf86 smp97 dnf455 smp71 tf100 neg98 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 613ms VariablesStem: 9 VariablesLoop: 6 DisjunctsStem: 8 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 180 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! [2021-10-21 20:16:18,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Forceful destruction successful, exit code 0 [2021-10-21 20:16:18,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Ended with exit code 0 [2021-10-21 20:16:18,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cd9a096-94f5-4e61-a4b1-78880b4a0b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...