./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa --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 71679b2a85162a2bf4315b62ab1893b5cfd06e20fc9e264973bd31bc9d08e300 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:43:28,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:43:28,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:43:28,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:43:28,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:43:28,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:43:28,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:43:28,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:43:28,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:43:28,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:43:28,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:43:28,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:43:28,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:43:28,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:43:28,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:43:28,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:43:28,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:43:28,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:43:28,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:43:28,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:43:28,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:43:28,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:43:28,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:43:28,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:43:28,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:43:28,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:43:28,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:43:28,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:43:28,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:43:28,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:43:28,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:43:28,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:43:28,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:43:28,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:43:28,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:43:28,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:43:28,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:43:28,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:43:28,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:43:28,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:43:28,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:43:28,248 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 19:43:28,270 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:43:28,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:43:28,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:43:28,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:43:28,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:43:28,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:43:28,272 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:43:28,273 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 19:43:28,273 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 19:43:28,273 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 19:43:28,273 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 19:43:28,273 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 19:43:28,273 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 19:43:28,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:43:28,274 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:43:28,274 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 19:43:28,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:43:28,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:43:28,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:43:28,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 19:43:28,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 19:43:28,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 19:43:28,275 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:43:28,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:43:28,275 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 19:43:28,276 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:43:28,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 19:43:28,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:43:28,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:43:28,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:43:28,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:43:28,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:43:28,278 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 19:43:28,278 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_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71679b2a85162a2bf4315b62ab1893b5cfd06e20fc9e264973bd31bc9d08e300 [2021-12-06 19:43:28,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:43:28,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:43:28,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:43:28,489 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:43:28,490 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:43:28,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i [2021-12-06 19:43:28,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/data/d3c31ef2b/d2eab149bb3d40f5a42399596c97acb4/FLAG8cfb9f59c [2021-12-06 19:43:28,944 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:43:28,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i [2021-12-06 19:43:28,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/data/d3c31ef2b/d2eab149bb3d40f5a42399596c97acb4/FLAG8cfb9f59c [2021-12-06 19:43:28,964 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/data/d3c31ef2b/d2eab149bb3d40f5a42399596c97acb4 [2021-12-06 19:43:28,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:43:28,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:43:28,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:43:28,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:43:28,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:43:28,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:43:28" (1/1) ... [2021-12-06 19:43:28,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77d8040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:43:28, skipping insertion in model container [2021-12-06 19:43:28,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:43:28" (1/1) ... [2021-12-06 19:43:28,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:43:29,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:43:29,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:43:29,201 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:43:29,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:43:29,248 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:43:29,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:43:29 WrapperNode [2021-12-06 19:43:29,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:43:29,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:43:29,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:43:29,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:43:29,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:43:29" (1/1) ... [2021-12-06 19:43:29,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:43:29" (1/1) ... [2021-12-06 19:43:29,279 INFO L137 Inliner]: procedures = 117, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2021-12-06 19:43:29,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:43:29,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:43:29,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:43:29,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:43:29,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:43:29" (1/1) ... [2021-12-06 19:43:29,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:43:29" (1/1) ... [2021-12-06 19:43:29,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:43:29" (1/1) ... [2021-12-06 19:43:29,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:43:29" (1/1) ... [2021-12-06 19:43:29,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:43:29" (1/1) ... [2021-12-06 19:43:29,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:43:29" (1/1) ... [2021-12-06 19:43:29,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:43:29" (1/1) ... [2021-12-06 19:43:29,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:43:29,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:43:29,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:43:29,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:43:29,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:43:29" (1/1) ... [2021-12-06 19:43:29,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:29,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:29,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:29,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 19:43:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:43:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:43:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:43:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:43:29,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:43:29,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:43:29,425 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:43:29,426 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:43:29,509 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:43:29,513 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:43:29,514 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 19:43:29,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:43:29 BoogieIcfgContainer [2021-12-06 19:43:29,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:43:29,516 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 19:43:29,516 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 19:43:29,518 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 19:43:29,519 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:43:29,519 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 07:43:28" (1/3) ... [2021-12-06 19:43:29,520 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e099b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:43:29, skipping insertion in model container [2021-12-06 19:43:29,520 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:43:29,520 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:43:29" (2/3) ... [2021-12-06 19:43:29,520 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e099b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:43:29, skipping insertion in model container [2021-12-06 19:43:29,520 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:43:29,520 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:43:29" (3/3) ... [2021-12-06 19:43:29,521 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrchr-alloca-2.i [2021-12-06 19:43:29,554 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 19:43:29,554 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 19:43:29,554 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 19:43:29,554 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 19:43:29,554 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 19:43:29,554 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 19:43:29,554 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 19:43:29,554 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 19:43:29,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 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) [2021-12-06 19:43:29,583 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-06 19:43:29,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:43:29,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:43:29,587 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 19:43:29,588 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:43:29,588 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 19:43:29,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 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) [2021-12-06 19:43:29,590 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-06 19:43:29,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:43:29,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:43:29,591 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 19:43:29,591 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:43:29,598 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet12#1, main_#t~ret13#1.base, main_#t~ret13#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 17#L522true assume !(main_~length~0#1 < 1); 12#L522-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 9#L527-3true [2021-12-06 19:43:29,598 INFO L793 eck$LassoCheckResult]: Loop: 9#L527-3true assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 13#L527-2true main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 9#L527-3true [2021-12-06 19:43:29,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:29,605 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-12-06 19:43:29,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:29,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46070399] [2021-12-06 19:43:29,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:29,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:29,706 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:43:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:29,729 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:43:29,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:29,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-12-06 19:43:29,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:29,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687824683] [2021-12-06 19:43:29,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:29,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:29,742 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:43:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:29,750 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:43:29,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:29,752 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-12-06 19:43:29,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:29,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235036698] [2021-12-06 19:43:29,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:29,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:29,776 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:43:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:29,794 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:43:29,972 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:43:29,972 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:43:29,972 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:43:29,972 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:43:29,972 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:43:29,972 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:29,978 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:43:29,979 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:43:29,979 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrchr-alloca-2.i_Iteration1_Lasso [2021-12-06 19:43:29,979 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:43:29,979 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:43:29,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:29,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:30,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:30,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:30,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:30,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:30,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:30,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:30,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:30,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:30,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:30,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:30,206 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:43:30,209 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:43:30,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 19:43:30,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:30,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:30,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:30,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:43:30,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,245 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 19:43:30,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:30,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:30,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:30,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 19:43:30,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,288 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 19:43:30,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:30,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:30,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 19:43:30,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,329 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 19:43:30,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:30,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:30,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:30,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 19:43:30,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,369 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 19:43:30,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:30,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:30,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-06 19:43:30,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,415 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 19:43:30,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:30,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:30,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:30,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-06 19:43:30,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,444 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 19:43:30,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:30,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:30,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 19:43:30,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,478 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 19:43:30,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:30,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:30,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:30,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 19:43:30,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,507 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 19:43:30,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:30,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:30,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 19:43:30,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,542 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 19:43:30,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:30,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:30,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:30,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-06 19:43:30,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,571 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 19:43:30,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:30,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:30,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 19:43:30,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,606 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 19:43:30,607 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 [2021-12-06 19:43:30,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:30,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:30,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-06 19:43:30,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,643 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 19:43:30,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:30,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:30,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 19:43:30,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,677 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 19:43:30,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:30,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:30,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:30,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 19:43:30,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,706 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 19:43:30,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:30,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:30,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:30,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 19:43:30,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,740 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 19:43:30,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:30,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:30,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:30,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:30,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:30,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:30,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:30,764 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:43:30,779 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-06 19:43:30,780 INFO L444 ModelExtractionUtils]: 16 out of 22 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-06 19:43:30,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:30,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:30,782 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:30,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 19:43:30,783 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:43:30,792 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:43:30,792 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:43:30,792 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length~0#1 Supporting invariants [] [2021-12-06 19:43:30,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-06 19:43:30,821 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-12-06 19:43:30,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:30,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:43:30,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:43:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:30,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 19:43:30,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:43:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:43:30,911 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 [2021-12-06 19:43:30,912 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:43:30,944 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 57 transitions. Complement of second has 7 states. [2021-12-06 19:43:30,946 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 [2021-12-06 19:43:30,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:43:30,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2021-12-06 19:43:30,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 19:43:30,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:43:30,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-06 19:43:30,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:43:30,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 4 letters. [2021-12-06 19:43:30,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:43:30,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 57 transitions. [2021-12-06 19:43:30,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 19:43:30,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 11 states and 15 transitions. [2021-12-06 19:43:30,958 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-06 19:43:30,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-12-06 19:43:30,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2021-12-06 19:43:30,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:43:30,959 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-12-06 19:43:30,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2021-12-06 19:43:30,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-12-06 19:43:30,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:43:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2021-12-06 19:43:30,982 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-12-06 19:43:30,982 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-12-06 19:43:30,982 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 19:43:30,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2021-12-06 19:43:30,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 19:43:30,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:43:30,983 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:43:30,983 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 19:43:30,983 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 19:43:30,983 INFO L791 eck$LassoCheckResult]: Stem: 120#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 121#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet12#1, main_#t~ret13#1.base, main_#t~ret13#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 125#L522 assume !(main_~length~0#1 < 1); 118#L522-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 119#L527-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 124#L527-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_#t~nondet12#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset, cstrchr_#t~mem2#1, cstrchr_#t~mem3#1, cstrchr_#t~short4#1, cstrchr_#t~mem6#1, cstrchr_#t~ite7#1.base, cstrchr_#t~ite7#1.offset, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 115#L516-5 [2021-12-06 19:43:30,983 INFO L793 eck$LassoCheckResult]: Loop: 115#L516-5 call cstrchr_#t~mem2#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := 0 != cstrchr_#t~mem2#1; 116#L516-1 assume !cstrchr_#t~short4#1; 117#L516-3 assume !!cstrchr_#t~short4#1;havoc cstrchr_#t~mem2#1;havoc cstrchr_#t~mem3#1;havoc cstrchr_#t~short4#1;cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post5#1.base, 1 + cstrchr_#t~post5#1.offset;havoc cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset; 115#L516-5 [2021-12-06 19:43:30,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:30,984 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-12-06 19:43:30,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:30,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652465147] [2021-12-06 19:43:30,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:30,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:30,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 19:43:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:30,998 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:43:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:31,010 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:43:31,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:31,011 INFO L85 PathProgramCache]: Analyzing trace with hash 57761, now seen corresponding path program 1 times [2021-12-06 19:43:31,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:31,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931059028] [2021-12-06 19:43:31,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:31,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:43:31,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:43:31,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931059028] [2021-12-06 19:43:31,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931059028] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:43:31,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:43:31,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:43:31,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389401665] [2021-12-06 19:43:31,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:43:31,037 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 19:43:31,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:43:31,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:43:31,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:43:31,041 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2021-12-06 19:43:31,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:43:31,049 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2021-12-06 19:43:31,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:43:31,050 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2021-12-06 19:43:31,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 19:43:31,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 14 transitions. [2021-12-06 19:43:31,051 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-06 19:43:31,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-12-06 19:43:31,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2021-12-06 19:43:31,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:43:31,051 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-12-06 19:43:31,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2021-12-06 19:43:31,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-12-06 19:43:31,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:43:31,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-12-06 19:43:31,052 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-12-06 19:43:31,052 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-12-06 19:43:31,052 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 19:43:31,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2021-12-06 19:43:31,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 19:43:31,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:43:31,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:43:31,053 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 19:43:31,053 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 19:43:31,053 INFO L791 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 148#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet12#1, main_#t~ret13#1.base, main_#t~ret13#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 154#L522 assume !(main_~length~0#1 < 1); 149#L522-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 150#L527-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 153#L527-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_#t~nondet12#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset, cstrchr_#t~mem2#1, cstrchr_#t~mem3#1, cstrchr_#t~short4#1, cstrchr_#t~mem6#1, cstrchr_#t~ite7#1.base, cstrchr_#t~ite7#1.offset, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 144#L516-5 [2021-12-06 19:43:31,053 INFO L793 eck$LassoCheckResult]: Loop: 144#L516-5 call cstrchr_#t~mem2#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := 0 != cstrchr_#t~mem2#1; 145#L516-1 assume cstrchr_#t~short4#1;call cstrchr_#t~mem3#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := cstrchr_#t~mem3#1 != (if cstrchr_~c#1 % 256 <= 127 then cstrchr_~c#1 % 256 else cstrchr_~c#1 % 256 - 256); 146#L516-3 assume !!cstrchr_#t~short4#1;havoc cstrchr_#t~mem2#1;havoc cstrchr_#t~mem3#1;havoc cstrchr_#t~short4#1;cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post5#1.base, 1 + cstrchr_#t~post5#1.offset;havoc cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset; 144#L516-5 [2021-12-06 19:43:31,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:31,054 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2021-12-06 19:43:31,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:31,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864218769] [2021-12-06 19:43:31,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:31,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:31,063 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:43:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:31,073 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:43:31,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:31,073 INFO L85 PathProgramCache]: Analyzing trace with hash 57699, now seen corresponding path program 1 times [2021-12-06 19:43:31,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:31,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258311671] [2021-12-06 19:43:31,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:31,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:31,081 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:43:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:31,087 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:43:31,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:31,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1183926615, now seen corresponding path program 1 times [2021-12-06 19:43:31,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:31,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280092843] [2021-12-06 19:43:31,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:31,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:31,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:43:31,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:43:31,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280092843] [2021-12-06 19:43:31,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280092843] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:43:31,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:43:31,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:43:31,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270243798] [2021-12-06 19:43:31,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:43:31,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:43:31,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:43:31,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:43:31,274 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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) [2021-12-06 19:43:31,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:43:31,324 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2021-12-06 19:43:31,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:43:31,325 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2021-12-06 19:43:31,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 19:43:31,326 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 14 transitions. [2021-12-06 19:43:31,327 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-06 19:43:31,327 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-12-06 19:43:31,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 14 transitions. [2021-12-06 19:43:31,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:43:31,327 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-12-06 19:43:31,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 14 transitions. [2021-12-06 19:43:31,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-12-06 19:43:31,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:43:31,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2021-12-06 19:43:31,329 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-12-06 19:43:31,329 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-12-06 19:43:31,329 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 19:43:31,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2021-12-06 19:43:31,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 19:43:31,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:43:31,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:43:31,330 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:43:31,330 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 19:43:31,330 INFO L791 eck$LassoCheckResult]: Stem: 189#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 190#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet12#1, main_#t~ret13#1.base, main_#t~ret13#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 196#L522 assume !(main_~length~0#1 < 1); 191#L522-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~0#1 := 0; 192#L527-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);call write~int(main_#t~nondet11#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet11#1; 193#L527-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 194#L527-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 195#L527-4 call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_#t~nondet12#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset, cstrchr_#t~mem2#1, cstrchr_#t~mem3#1, cstrchr_#t~short4#1, cstrchr_#t~mem6#1, cstrchr_#t~ite7#1.base, cstrchr_#t~ite7#1.offset, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 186#L516-5 [2021-12-06 19:43:31,330 INFO L793 eck$LassoCheckResult]: Loop: 186#L516-5 call cstrchr_#t~mem2#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := 0 != cstrchr_#t~mem2#1; 187#L516-1 assume cstrchr_#t~short4#1;call cstrchr_#t~mem3#1 := read~int(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := cstrchr_#t~mem3#1 != (if cstrchr_~c#1 % 256 <= 127 then cstrchr_~c#1 % 256 else cstrchr_~c#1 % 256 - 256); 188#L516-3 assume !!cstrchr_#t~short4#1;havoc cstrchr_#t~mem2#1;havoc cstrchr_#t~mem3#1;havoc cstrchr_#t~short4#1;cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post5#1.base, 1 + cstrchr_#t~post5#1.offset;havoc cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset; 186#L516-5 [2021-12-06 19:43:31,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:31,331 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-12-06 19:43:31,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:31,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422938610] [2021-12-06 19:43:31,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:31,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:31,343 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:43:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:31,355 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:43:31,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:31,356 INFO L85 PathProgramCache]: Analyzing trace with hash 57699, now seen corresponding path program 2 times [2021-12-06 19:43:31,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:31,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130196322] [2021-12-06 19:43:31,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:31,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:31,363 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:43:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:31,369 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:43:31,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:31,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1235380661, now seen corresponding path program 1 times [2021-12-06 19:43:31,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:43:31,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190745299] [2021-12-06 19:43:31,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:43:31,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:43:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:31,387 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:43:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:43:31,405 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:43:31,679 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:43:31,679 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:43:31,679 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:43:31,679 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:43:31,679 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:43:31,679 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:31,679 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:43:31,679 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:43:31,680 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrchr-alloca-2.i_Iteration4_Lasso [2021-12-06 19:43:31,680 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:43:31,680 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:43:31,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:31,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:43:32,110 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:43:32,110 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:43:32,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,111 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 19:43:32,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-06 19:43:32,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,141 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 19:43:32,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 19:43:32,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,170 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 19:43:32,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-06 19:43:32,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,198 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 19:43:32,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-06 19:43:32,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,239 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 19:43:32,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 19:43:32,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,277 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 19:43:32,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:32,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:32,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-06 19:43:32,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,324 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 19:43:32,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 19:43:32,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,356 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 19:43:32,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 19:43:32,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,386 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 19:43:32,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:32,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:32,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 19:43:32,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,417 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 19:43:32,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 19:43:32,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,448 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 19:43:32,449 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 [2021-12-06 19:43:32,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,457 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:32,457 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:32,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 19:43:32,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,478 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 19:43:32,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 19:43:32,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,506 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 19:43:32,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-06 19:43:32,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,535 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 19:43:32,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 19:43:32,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,564 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 19:43:32,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:32,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:32,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 19:43:32,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,597 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 19:43:32,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 19:43:32,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,635 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 19:43:32,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 19:43:32,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,663 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 19:43:32,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 19:43:32,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,691 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 19:43:32,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 19:43:32,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,719 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 19:43:32,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:32,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:32,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 19:43:32,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,752 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 19:43:32,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:43:32,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:43:32,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:43:32,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:43:32,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-06 19:43:32,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,782 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 19:43:32,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:43:32,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:43:32,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:43:32,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:43:32,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:43:32,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:43:32,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:43:32,805 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:43:32,834 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-12-06 19:43:32,834 INFO L444 ModelExtractionUtils]: 5 out of 28 variables were initially zero. Simplification set additionally 20 variables to zero. [2021-12-06 19:43:32,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:43:32,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:43:32,836 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:43:32,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 19:43:32,836 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:43:32,844 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:43:32,844 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:43:32,844 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2, ULTIMATE.start_cstrchr_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2 - 1*ULTIMATE.start_cstrchr_~s#1.offset Supporting invariants [] [2021-12-06 19:43:32,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 19:43:32,873 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-12-06 19:43:32,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:43:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:32,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:43:32,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:43:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:43:32,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:43:32,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:43:32,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:43:32,933 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 [2021-12-06 19:43:32,934 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:43:32,953 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 17 transitions. Complement of second has 5 states. [2021-12-06 19:43:32,953 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 [2021-12-06 19:43:32,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:43:32,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-12-06 19:43:32,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2021-12-06 19:43:32,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:43:32,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 11 letters. Loop has 3 letters. [2021-12-06 19:43:32,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:43:32,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 6 letters. [2021-12-06 19:43:32,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:43:32,954 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2021-12-06 19:43:32,955 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 19:43:32,955 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2021-12-06 19:43:32,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 19:43:32,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 19:43:32,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 19:43:32,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:43:32,955 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:43:32,955 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:43:32,955 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:43:32,956 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 19:43:32,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 19:43:32,956 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 19:43:32,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 19:43:32,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 07:43:32 BoogieIcfgContainer [2021-12-06 19:43:32,960 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 19:43:32,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:43:32,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:43:32,961 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:43:32,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:43:29" (3/4) ... [2021-12-06 19:43:32,963 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 19:43:32,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:43:32,964 INFO L158 Benchmark]: Toolchain (without parser) took 3996.73ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 80.8MB in the beginning and 75.1MB in the end (delta: 5.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-12-06 19:43:32,964 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:43:32,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.50ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 87.4MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 19:43:32,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.02ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 85.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:43:32,965 INFO L158 Benchmark]: Boogie Preprocessor took 17.80ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 84.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:43:32,965 INFO L158 Benchmark]: RCFGBuilder took 217.12ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 73.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 19:43:32,965 INFO L158 Benchmark]: BuchiAutomizer took 3444.75ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 73.8MB in the beginning and 75.1MB in the end (delta: -1.3MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2021-12-06 19:43:32,965 INFO L158 Benchmark]: Witness Printer took 2.44ms. Allocated memory is still 142.6MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:43:32,967 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.50ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 87.4MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.02ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 85.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.80ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 84.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 217.12ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 73.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3444.75ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 73.8MB in the beginning and 75.1MB in the end (delta: -1.3MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Witness Printer took 2.44ms. Allocated memory is still 142.6MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length and consists of 5 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 43 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital126 mio100 ax115 hnf99 lsp82 ukn90 mio100 lsp48 div119 bol100 ite100 ukn100 eq164 hnf82 smp100 dnf401 smp64 tf100 neg97 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 19:43:32,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 19:43:33,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe7043e-81ff-4528-bf75-4307dcbb15a6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE