./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/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_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/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 64bit --witnessprinter.graph.data.programhash 96d73e5144e69b17de356213175b4cac1e1bd0fb8c4e4377e7e151c0511f2395 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:45:19,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:45:19,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:45:19,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:45:19,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:45:19,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:45:19,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:45:19,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:45:19,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:45:19,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:45:19,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:45:19,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:45:19,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:45:19,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:45:19,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:45:19,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:45:19,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:45:19,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:45:19,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:45:19,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:45:19,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:45:19,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:45:19,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:45:19,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:45:19,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:45:19,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:45:19,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:45:19,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:45:19,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:45:19,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:45:19,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:45:19,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:45:19,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:45:19,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:45:19,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:45:19,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:45:19,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:45:19,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:45:19,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:45:19,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:45:19,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:45:19,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 21:45:19,376 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:45:19,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:45:19,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:45:19,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:45:19,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:45:19,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:45:19,378 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:45:19,378 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 21:45:19,378 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 21:45:19,379 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 21:45:19,379 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 21:45:19,379 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 21:45:19,379 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 21:45:19,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:45:19,379 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 21:45:19,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:45:19,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:45:19,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 21:45:19,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 21:45:19,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 21:45:19,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:45:19,381 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 21:45:19,381 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:45:19,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 21:45:19,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:45:19,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:45:19,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:45:19,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:45:19,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:45:19,383 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 21:45:19,383 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_11eb32b3-1f9f-4a94-b53a-8478f47f718f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96d73e5144e69b17de356213175b4cac1e1bd0fb8c4e4377e7e151c0511f2395 [2021-12-06 21:45:19,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:45:19,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:45:19,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:45:19,594 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:45:19,595 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:45:19,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i [2021-12-06 21:45:19,640 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/data/8e01154c9/ab084ae7d2554cb2b67534f397f9b25d/FLAG18e54a448 [2021-12-06 21:45:20,049 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:45:20,049 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrcpy-alloca-1.i [2021-12-06 21:45:20,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/data/8e01154c9/ab084ae7d2554cb2b67534f397f9b25d/FLAG18e54a448 [2021-12-06 21:45:20,069 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/data/8e01154c9/ab084ae7d2554cb2b67534f397f9b25d [2021-12-06 21:45:20,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:45:20,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:45:20,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:45:20,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:45:20,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:45:20,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:45:20" (1/1) ... [2021-12-06 21:45:20,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa78edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:45:20, skipping insertion in model container [2021-12-06 21:45:20,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:45:20" (1/1) ... [2021-12-06 21:45:20,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:45:20,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:45:20,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:45:20,332 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:45:20,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:45:20,392 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:45:20,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:45:20 WrapperNode [2021-12-06 21:45:20,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:45:20,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:45:20,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:45:20,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:45:20,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:45:20" (1/1) ... [2021-12-06 21:45:20,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:45:20" (1/1) ... [2021-12-06 21:45:20,430 INFO L137 Inliner]: procedures = 111, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2021-12-06 21:45:20,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:45:20,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:45:20,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:45:20,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:45:20,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:45:20" (1/1) ... [2021-12-06 21:45:20,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:45:20" (1/1) ... [2021-12-06 21:45:20,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:45:20" (1/1) ... [2021-12-06 21:45:20,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:45:20" (1/1) ... [2021-12-06 21:45:20,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:45:20" (1/1) ... [2021-12-06 21:45:20,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:45:20" (1/1) ... [2021-12-06 21:45:20,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:45:20" (1/1) ... [2021-12-06 21:45:20,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:45:20,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:45:20,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:45:20,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:45:20,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:45:20" (1/1) ... [2021-12-06 21:45:20,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:45:20,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:45:20,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:45:20,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 21:45:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 21:45:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 21:45:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 21:45:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 21:45:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:45:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:45:20,597 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:45:20,598 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:45:20,698 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:45:20,704 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:45:20,704 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 21:45:20,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:45:20 BoogieIcfgContainer [2021-12-06 21:45:20,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:45:20,706 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 21:45:20,707 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 21:45:20,709 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 21:45:20,710 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 21:45:20,710 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 09:45:20" (1/3) ... [2021-12-06 21:45:20,711 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63e8f151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 09:45:20, skipping insertion in model container [2021-12-06 21:45:20,711 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 21:45:20,711 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:45:20" (2/3) ... [2021-12-06 21:45:20,712 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63e8f151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 09:45:20, skipping insertion in model container [2021-12-06 21:45:20,712 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 21:45:20,712 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:45:20" (3/3) ... [2021-12-06 21:45:20,714 INFO L388 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcpy-alloca-1.i [2021-12-06 21:45:20,750 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 21:45:20,750 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 21:45:20,750 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 21:45:20,750 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 21:45:20,750 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 21:45:20,750 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 21:45:20,750 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 21:45:20,751 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 21:45:20,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:45:20,773 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 21:45:20,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:45:20,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:45:20,778 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 21:45:20,778 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 21:45:20,778 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 21:45:20,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:45:20,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 21:45:20,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:45:20,780 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:45:20,780 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 21:45:20,780 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 21:45:20,785 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 12#L557true assume !(main_~length1~0#1 < 1); 7#L557-2true assume !(main_~length2~0#1 < 1); 6#L560-1true assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcpy } true;cstrcpy_#in~to#1.base, cstrcpy_#in~to#1.offset, cstrcpy_#in~from#1.base, cstrcpy_#in~from#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstrcpy_#res#1.base, cstrcpy_#res#1.offset;havoc cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset, cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset, cstrcpy_#t~mem4#1, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, cstrcpy_~from#1.base, cstrcpy_~from#1.offset, cstrcpy_~save~0#1.base, cstrcpy_~save~0#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_#in~to#1.base, cstrcpy_#in~to#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_#in~from#1.base, cstrcpy_#in~from#1.offset;cstrcpy_~save~0#1.base, cstrcpy_~save~0#1.offset := cstrcpy_~to#1.base, cstrcpy_~to#1.offset; 13#L551-4true [2021-12-06 21:45:20,785 INFO L793 eck$LassoCheckResult]: Loop: 13#L551-4true call cstrcpy_#t~mem4#1 := read~int(cstrcpy_~from#1.base, cstrcpy_~from#1.offset, 1);call write~int(cstrcpy_#t~mem4#1, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, 1); 8#L551-1true assume !!(0 != cstrcpy_#t~mem4#1);havoc cstrcpy_#t~mem4#1; 9#L551-3true cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;havoc cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset;cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;havoc cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset; 13#L551-4true [2021-12-06 21:45:20,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:45:20,791 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2021-12-06 21:45:20,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:45:20,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811825340] [2021-12-06 21:45:20,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:45:20,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:45:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:45:20,888 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:45:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:45:20,919 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:45:20,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:45:20,921 INFO L85 PathProgramCache]: Analyzing trace with hash 52792, now seen corresponding path program 1 times [2021-12-06 21:45:20,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:45:20,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207602203] [2021-12-06 21:45:20,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:45:20,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:45:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:45:20,932 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:45:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:45:20,941 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:45:20,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:45:20,942 INFO L85 PathProgramCache]: Analyzing trace with hash 180551759, now seen corresponding path program 1 times [2021-12-06 21:45:20,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:45:20,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268303642] [2021-12-06 21:45:20,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:45:20,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:45:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:45:20,973 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:45:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:45:20,996 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:45:21,492 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:45:21,492 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:45:21,492 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:45:21,492 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:45:21,492 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 21:45:21,492 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:45:21,493 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:45:21,493 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:45:21,493 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-1.i_Iteration1_Lasso [2021-12-06 21:45:21,493 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:45:21,493 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:45:21,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:45:21,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:45:21,514 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 21:45:21,517 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 21:45:21,518 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 21:45:21,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:45:21,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:45:21,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:45:21,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:45:21,736 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 21:45:21,737 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 21:45:21,739 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 21:45:21,740 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 21:45:21,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:45:21,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:45:21,744 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 21:45:21,745 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 21:45:21,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:45:22,005 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:45:22,009 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 21:45:22,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:45:22,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:45:22,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:45:22,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 21:45:22,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:45:22,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:45:22,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:45:22,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:45:22,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:45:22,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:45:22,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:45:22,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:45:22,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:45:22,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 21:45:22,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:45:22,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:45:22,061 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:45:22,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 21:45:22,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 21:45:22,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:45:22,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:45:22,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:45:22,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:45:22,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:45:22,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:45:22,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:45:22,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:45:22,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 21:45:22,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:45:22,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:45:22,092 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:45:22,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 21:45:22,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:45:22,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:45:22,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:45:22,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:45:22,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:45:22,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 21:45:22,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 21:45:22,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:45:22,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 21:45:22,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:45:22,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:45:22,124 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:45:22,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 21:45:22,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:45:22,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:45:22,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:45:22,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:45:22,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:45:22,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:45:22,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:45:22,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:45:22,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:45:22,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 21:45:22,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:45:22,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:45:22,153 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:45:22,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 21:45:22,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 21:45:22,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:45:22,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:45:22,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:45:22,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:45:22,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 21:45:22,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 21:45:22,190 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 21:45:22,223 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-12-06 21:45:22,223 INFO L444 ModelExtractionUtils]: 27 out of 46 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-12-06 21:45:22,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:45:22,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:45:22,226 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:45:22,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 21:45:22,227 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 21:45:22,237 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 21:45:22,237 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 21:45:22,238 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~to#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1) = -1*ULTIMATE.start_cstrcpy_~to#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 Supporting invariants [] [2021-12-06 21:45:22,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-06 21:45:22,299 INFO L297 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2021-12-06 21:45:22,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:45:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:22,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-06 21:45:22,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:45:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:22,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 21:45:22,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:45:22,396 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 21:45:22,418 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 21:45:22,419 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 21:45:22,457 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 26 states and 30 transitions. Complement of second has 6 states. [2021-12-06 21:45:22,458 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 [2021-12-06 21:45:22,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 21:45:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-12-06 21:45:22,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 3 letters. [2021-12-06 21:45:22,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:45:22,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 8 letters. Loop has 3 letters. [2021-12-06 21:45:22,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:45:22,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 6 letters. [2021-12-06 21:45:22,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:45:22,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2021-12-06 21:45:22,466 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 21:45:22,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2021-12-06 21:45:22,469 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 21:45:22,469 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 21:45:22,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 21:45:22,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 21:45:22,469 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 21:45:22,469 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 21:45:22,469 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 21:45:22,469 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 21:45:22,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 21:45:22,470 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 21:45:22,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 21:45:22,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 09:45:22 BoogieIcfgContainer [2021-12-06 21:45:22,474 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 21:45:22,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 21:45:22,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 21:45:22,475 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 21:45:22,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:45:20" (3/4) ... [2021-12-06 21:45:22,477 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 21:45:22,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 21:45:22,478 INFO L158 Benchmark]: Toolchain (without parser) took 2405.87ms. Allocated memory is still 136.3MB. Free memory was 111.0MB in the beginning and 81.6MB in the end (delta: 29.4MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2021-12-06 21:45:22,479 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 86.0MB. Free memory was 56.2MB in the beginning and 56.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:45:22,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.35ms. Allocated memory is still 136.3MB. Free memory was 110.5MB in the beginning and 95.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 21:45:22,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.96ms. Allocated memory is still 136.3MB. Free memory was 95.3MB in the beginning and 93.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:45:22,480 INFO L158 Benchmark]: Boogie Preprocessor took 25.21ms. Allocated memory is still 136.3MB. Free memory was 93.8MB in the beginning and 92.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:45:22,480 INFO L158 Benchmark]: RCFGBuilder took 248.18ms. Allocated memory is still 136.3MB. Free memory was 92.2MB in the beginning and 81.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 21:45:22,481 INFO L158 Benchmark]: BuchiAutomizer took 1767.96ms. Allocated memory is still 136.3MB. Free memory was 81.7MB in the beginning and 82.6MB in the end (delta: -845.4kB). Peak memory consumption was 689.9kB. Max. memory is 16.1GB. [2021-12-06 21:45:22,481 INFO L158 Benchmark]: Witness Printer took 2.77ms. Allocated memory is still 136.3MB. Free memory was 82.6MB in the beginning and 81.6MB in the end (delta: 983.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:45:22,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 86.0MB. Free memory was 56.2MB in the beginning and 56.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.35ms. Allocated memory is still 136.3MB. Free memory was 110.5MB in the beginning and 95.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.96ms. Allocated memory is still 136.3MB. Free memory was 95.3MB in the beginning and 93.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.21ms. Allocated memory is still 136.3MB. Free memory was 93.8MB in the beginning and 92.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 248.18ms. Allocated memory is still 136.3MB. Free memory was 92.2MB in the beginning and 81.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1767.96ms. Allocated memory is still 136.3MB. Free memory was 81.7MB in the beginning and 82.6MB in the end (delta: -845.4kB). Peak memory consumption was 689.9kB. Max. memory is 16.1GB. * Witness Printer took 2.77ms. Allocated memory is still 136.3MB. Free memory was 82.6MB in the beginning and 81.6MB in the end (delta: 983.8kB). Peak memory consumption was 2.1MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * to + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital192 mio100 ax109 hnf100 lsp88 ukn94 mio100 lsp46 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms 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 21:45:22,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 21:45:22,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11eb32b3-1f9f-4a94-b53a-8478f47f718f/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