./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b3793c1153138718c278bf2758234e75646fb19e62e98d110099399474912470 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:48:25,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:48:25,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:48:25,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:48:25,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:48:25,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:48:25,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:48:25,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:48:25,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:48:25,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:48:25,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:48:25,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:48:25,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:48:25,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:48:25,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:48:25,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:48:25,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:48:25,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:48:25,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:48:25,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:48:25,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:48:25,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:48:25,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:48:25,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:48:25,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:48:25,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:48:25,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:48:25,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:48:25,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:48:25,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:48:25,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:48:25,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:48:25,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:48:25,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:48:25,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:48:25,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:48:25,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:48:25,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:48:25,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:48:25,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:48:25,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:48:25,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:48:25,271 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:48:25,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:48:25,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:48:25,272 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:48:25,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:48:25,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:48:25,274 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:48:25,274 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:48:25,275 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:48:25,275 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:48:25,275 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:48:25,275 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:48:25,275 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:48:25,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:48:25,276 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:48:25,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:48:25,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:48:25,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:48:25,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:48:25,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:48:25,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:48:25,277 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:48:25,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:48:25,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:48:25,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:48:25,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:48:25,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:48:25,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:48:25,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:48:25,285 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:48:25,285 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_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3793c1153138718c278bf2758234e75646fb19e62e98d110099399474912470 [2021-10-28 23:48:25,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:48:25,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:48:25,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:48:25,595 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:48:25,596 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:48:25,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2021-10-28 23:48:25,700 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/data/91fd6904a/8f1c031b37cd4d989dfab86d28a140e1/FLAG7827a1154 [2021-10-28 23:48:26,283 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:48:26,284 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2021-10-28 23:48:26,295 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/data/91fd6904a/8f1c031b37cd4d989dfab86d28a140e1/FLAG7827a1154 [2021-10-28 23:48:26,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/data/91fd6904a/8f1c031b37cd4d989dfab86d28a140e1 [2021-10-28 23:48:26,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:48:26,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:48:26,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:48:26,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:48:26,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:48:26,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:48:26" (1/1) ... [2021-10-28 23:48:26,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58fa2aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:26, skipping insertion in model container [2021-10-28 23:48:26,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:48:26" (1/1) ... [2021-10-28 23:48:26,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:48:26,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:48:26,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:48:26,983 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:48:27,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:48:27,096 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:48:27,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:27 WrapperNode [2021-10-28 23:48:27,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:48:27,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:48:27,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:48:27,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:48:27,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:27" (1/1) ... [2021-10-28 23:48:27,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:27" (1/1) ... [2021-10-28 23:48:27,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:48:27,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:48:27,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:48:27,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:48:27,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:27" (1/1) ... [2021-10-28 23:48:27,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:27" (1/1) ... [2021-10-28 23:48:27,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:27" (1/1) ... [2021-10-28 23:48:27,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:27" (1/1) ... [2021-10-28 23:48:27,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:27" (1/1) ... [2021-10-28 23:48:27,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:27" (1/1) ... [2021-10-28 23:48:27,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:27" (1/1) ... [2021-10-28 23:48:27,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:48:27,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:48:27,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:48:27,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:48:27,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:27" (1/1) ... [2021-10-28 23:48:27,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:27,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:27,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:27,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:48:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:48:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:48:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:48:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:48:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:48:27,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:48:27,550 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:48:27,550 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:48:27,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:48:27 BoogieIcfgContainer [2021-10-28 23:48:27,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:48:27,554 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:48:27,554 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:48:27,558 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:48:27,559 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:48:27,560 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:48:26" (1/3) ... [2021-10-28 23:48:27,565 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@469f0135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:48:27, skipping insertion in model container [2021-10-28 23:48:27,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:48:27,565 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:48:27" (2/3) ... [2021-10-28 23:48:27,566 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@469f0135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:48:27, skipping insertion in model container [2021-10-28 23:48:27,566 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:48:27,566 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:48:27" (3/3) ... [2021-10-28 23:48:27,568 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcpy_malloc.i [2021-10-28 23:48:27,653 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:48:27,653 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:48:27,653 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:48:27,654 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:48:27,654 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:48:27,654 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:48:27,654 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:48:27,654 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:48:27,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:27,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:48:27,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:48:27,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:48:27,707 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 23:48:27,707 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:48:27,708 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:48:27,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:27,713 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:48:27,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:48:27,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:48:27,714 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 23:48:27,714 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:48:27,723 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 8#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 6#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;havoc main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;havoc main_#t~malloc211.base, main_#t~malloc211.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 12#L368-3true [2021-10-28 23:48:27,725 INFO L793 eck$LassoCheckResult]: Loop: 12#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, 1 + cstrcpy_#t~post205.offset;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, 1 + cstrcpy_#t~post206.offset;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 9#L368-1true assume !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~mem207; 12#L368-3true [2021-10-28 23:48:27,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:27,738 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2021-10-28 23:48:27,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:27,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994147189] [2021-10-28 23:48:27,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:27,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:48:27,918 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:48:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:48:27,997 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:48:28,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:28,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2021-10-28 23:48:28,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:28,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541855584] [2021-10-28 23:48:28,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:28,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:48:28,022 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:48:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:48:28,034 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:48:28,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:28,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2021-10-28 23:48:28,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:48:28,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735787336] [2021-10-28 23:48:28,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:48:28,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:48:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:48:28,084 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:48:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:48:28,141 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:48:29,038 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:48:29,039 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:48:29,039 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:48:29,040 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:48:29,040 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:48:29,040 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:29,040 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:48:29,041 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:48:29,041 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_malloc.i_Iteration1_Lasso [2021-10-28 23:48:29,041 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:48:29,041 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:48:29,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:29,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:48:30,365 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:48:30,370 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:48:30,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:30,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:30,374 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:30,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:48:30,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:48:30,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:48:30,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:48:30,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:48:30,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:48:30,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:48:30,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:48:30,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:48:30,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:48:30,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:30,444 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:30,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:30,446 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:30,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:48:30,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:48:30,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:48:30,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:48:30,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:48:30,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:48:30,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:48:30,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:48:30,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:48:30,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:48:30,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:30,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:30,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:30,526 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:30,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:48:30,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:48:30,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:48:30,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:48:30,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:48:30,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:48:30,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:48:30,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:48:30,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:48:30,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:48:30,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:30,572 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:30,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:30,573 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:30,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:48:30,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:48:30,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:48:30,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:48:30,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:48:30,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:48:30,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:48:30,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:48:30,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:48:30,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-28 23:48:30,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:30,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:30,631 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:30,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:48:30,644 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 [2021-10-28 23:48:30,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:48:30,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:48:30,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:48:30,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:48:30,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:48:30,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:48:30,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:48:30,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:48:30,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:30,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:30,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:30,704 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:30,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:48:30,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:48:30,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:48:30,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:48:30,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:48:30,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:48:30,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:48:30,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:48:30,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:48:30,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:48:30,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:30,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:30,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:30,746 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:30,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:48:30,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:48:30,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:48:30,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:48:30,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:48:30,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:48:30,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:48:30,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:48:30,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:48:30,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 23:48:30,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:30,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:30,822 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:30,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:48:30,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:48:30,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:48:30,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:48:30,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:48:30,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:48:30,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:48:30,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:48:30,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:48:30,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:48:30,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 23:48:30,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:30,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:30,863 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:30,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:48:30,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:48:30,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:48:30,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:48:30,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:48:30,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:48:30,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:48:30,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:48:30,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:48:30,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:48:30,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:30,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:30,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:30,911 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:30,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:48:30,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:48:30,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:48:30,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:48:30,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:48:30,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:48:30,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:48:30,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:48:30,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:48:30,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:48:30,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:30,954 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:30,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:30,955 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:30,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:48:30,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:48:30,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:48:30,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:48:30,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:48:30,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:48:30,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:48:30,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:48:30,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:48:30,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:48:30,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:30,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:30,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:31,000 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:31,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:48:31,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:48:31,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:48:31,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:48:31,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:48:31,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:48:31,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:48:31,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:48:31,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:48:31,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:48:31,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:31,044 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:31,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:31,045 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:31,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:48:31,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:48:31,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:48:31,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:48:31,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:48:31,055 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:48:31,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:48:31,057 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:48:31,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:48:31,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:48:31,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:31,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:31,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:31,096 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:31,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:48:31,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:48:31,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:48:31,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:48:31,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:48:31,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:48:31,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:48:31,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:48:31,148 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:48:31,222 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2021-10-28 23:48:31,222 INFO L444 ModelExtractionUtils]: 27 out of 46 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-10-28 23:48:31,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:48:31,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:48:31,229 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:48:31,236 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:48:31,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:48:31,269 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:48:31,269 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:48:31,270 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~src~0.offset, v_rep(select #length ULTIMATE.start_main_~nondetString~0.base)_1) = -1*ULTIMATE.start_cstrcpy_~src~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString~0.base)_1 Supporting invariants [] [2021-10-28 23:48:31,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:31,367 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-10-28 23:48:31,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:48:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:31,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:48:31,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:48:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:48:31,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 23:48:31,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:48:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:48:31,570 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:48:31,572 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:31,655 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 30 transitions. Complement of second has 5 states. [2021-10-28 23:48:31,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:48:31,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:48:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2021-10-28 23:48:31,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 23:48:31,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:48:31,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 23:48:31,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:48:31,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-28 23:48:31,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:48:31,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2021-10-28 23:48:31,679 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:48:31,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2021-10-28 23:48:31,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:48:31,687 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:48:31,688 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:48:31,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:48:31,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:48:31,689 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:48:31,689 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:48:31,689 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:48:31,689 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:48:31,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:48:31,689 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:48:31,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:48:31,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:48:31 BoogieIcfgContainer [2021-10-28 23:48:31,696 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:48:31,697 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:48:31,697 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:48:31,697 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:48:31,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:48:27" (3/4) ... [2021-10-28 23:48:31,700 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:48:31,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:48:31,703 INFO L168 Benchmark]: Toolchain (without parser) took 5160.01 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 53.0 MB in the beginning and 76.4 MB in the end (delta: -23.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:48:31,703 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 61.5 MB in the beginning and 61.4 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:48:31,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.47 ms. Allocated memory is still 88.1 MB. Free memory was 52.8 MB in the beginning and 54.7 MB in the end (delta: -2.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:48:31,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.25 ms. Allocated memory is still 88.1 MB. Free memory was 54.7 MB in the beginning and 53.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:48:31,706 INFO L168 Benchmark]: Boogie Preprocessor took 26.53 ms. Allocated memory is still 88.1 MB. Free memory was 53.0 MB in the beginning and 51.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:48:31,707 INFO L168 Benchmark]: RCFGBuilder took 382.47 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.7 MB in the beginning and 83.8 MB in the end (delta: -32.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:48:31,707 INFO L168 Benchmark]: BuchiAutomizer took 4141.99 ms. Allocated memory is still 107.0 MB. Free memory was 83.7 MB in the beginning and 76.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:48:31,708 INFO L168 Benchmark]: Witness Printer took 4.30 ms. Allocated memory is still 107.0 MB. Free memory is still 76.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:48:31,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 61.5 MB in the beginning and 61.4 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 552.47 ms. Allocated memory is still 88.1 MB. Free memory was 52.8 MB in the beginning and 54.7 MB in the end (delta: -2.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.25 ms. Allocated memory is still 88.1 MB. Free memory was 54.7 MB in the beginning and 53.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.53 ms. Allocated memory is still 88.1 MB. Free memory was 53.0 MB in the beginning and 51.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 382.47 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.7 MB in the beginning and 83.8 MB in the end (delta: -32.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4141.99 ms. Allocated memory is still 107.0 MB. Free memory was 83.7 MB in the beginning and 76.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.30 ms. Allocated memory is still 107.0 MB. Free memory is still 76.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * src + unknown-#length-unknown[nondetString] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 15 SDtfs, 15 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital200 mio100 ax100 hnf100 lsp97 ukn86 mio100 lsp46 div100 bol100 ite100 ukn100 eq200 hnf87 smp100 dnf176 smp91 tf100 neg96 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:48:31,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da5a503-cf78-4a0b-a8d2-8e0f842e30a1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...